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Example 1
1 500 lbsExample 2
1 500 lbsExample 3
1 500 lbsExample 1
Example 2
Example 3
front: 2
rear: 3
Occupant 1: 150 lbs Occupant 2: 180 lbs Occupant 3: 160 lbs Occupant 4: 140 lbs Occupant 5: 120 lbs 750 lbsfront: 1
Occupant 1: 150 lbs
front: 1
rear: 2
Occupant 1: 200 lbs Occupant 2: 190 lbs Occupant 3: 150 lbs540 lbs
150 lbs
Example 1
1 500 lbs - 750 lbs = 750 lbsExample 2
1 500 lbs - 540 lbs = 960 lbsExample 3
1 500 lbs - 150 lbs = 1 350 lbsThe higher the weight of all occupants, the less cargo and luggage load capacity is available. For more information, see “Trailer tongue load” (Y page 241).
Certification label Even after careful determination of the combined weight of all occupants, cargo and the trailer tongue load (if applicable) (Y page 241) as to not exceed the permissible load limit, you must make sure your vehicle never exceeds the Gross Vehicle
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Version: 2.11.8.1Weight Rating (GVWR) and the Gross Axle Weight Rating (GAWR) for either the front or rear axle. You can obtain the GVWR and GAWR from the certification label. The certification label can be found on the driver’s door B-pillar, see the “Technical data” section (Y page 346). Gross Vehicle Weight Rating (GVWR): The total weight of the vehicle, all occupants, all cargo, and the trailer tongue load (if applicable) must never exceed the GVWR. Gross Axle Weight Rating (GAWR): The total allowable weight that can be carried by a single axle (front or rear). To assure that your vehicle does not exceed the maximum permissible weight limits (GVWR and GAWR for front and rear axle), have the loaded vehicle (including driver, passengers and all cargo and, if applicable, trailer fully loaded) weighed on a suitable commercial scale.
Trailer tongue load The tongue load of any trailer is an important weight to measure because it affects the load you can carry in your vehicle. If a trailer is towed, the tongue load must be added to the weight of all occupants riding and any cargo you are carrying in the vehicle. The tongue load typically is 10% of the trailer weight and everything loaded in it. Your Mercedes-Benz has been designed primarily to carry passengers and their cargo. Mercedes-Benz does not recommend trailer towing with your vehicle.
Maximum tire load G Warning! Do not overload the tires by exceeding the specified load limit as indicated on the Tire and Loading Information placard on the driver’s door B-pillar. Overloading the tires can overheat them, possibly causing a blowout. Overloading the tires can also result
Tires and wheels
241
in handling or steering problems, or brake failure.
i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration.
The maximum tire load rating : is the maximum weight the tires are designed to support. For more information on tire load rating, see (Y page 246). For information on calculating total and cargo load capacities, see (Y page 238).
Direction of rotation Unidirectional tires offer added advantages, such as better hydroplaning performance. To benefit, however, you must make sure the tires rotate in the direction specified. An arrow on the sidewall indicates the intended direction of rotation of the tire. Spare wheels may be mounted against the direction of rotation (spinning) even with a unidirectional tire for temporary use only until the regular drive wheel has been repaired or replaced. Always observe and follow applicable temporary use restrictions and speed limitations indicated on the spare wheel.
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Version: 2.11.8.1242 Tires and wheels
MOExtended system The MOExtended system allows you to continue driving your vehicle even if there is a total loss of pressure in one or more tires. You may only use the MOExtended system in conjunction with the tire pressure loss warning system (Y page 232) or the Advanced TPMS (Y page 233). i Vehicles with MOExtended system are not factory-equipped with a TIREFIT kit. When retrofitting with tires that do not have run-flat characteristics, e.g. winter tires, you should also equip your vehicle with a TIREFIT kit. TIREFIT kits are available at any authorized Mercedes-Benz Center.
For information on driving in case of pressure loss in one or more tires (emergency mode), see the “Practical hints” section (Y page 329).
Tire care and maintenance G Warning! Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause accidents. If the tire tread is worn to minimum tread depth, or if the tires have sustained damage, replace them. Check the tire inflation pressure at least once a month. For more information on checking tire inflation pressure, see “Recommended tire inflation pressure” (Y page 229).
Tire inspection Every time you check the tire inflation pressure, you should also inspect your tires for the following: Rexcessive treadwear (Y page 242) Rcord or fabric showing through the tire’s
rubber
Rbumps, bulges, cuts, cracks or splits in the
tread or side of the tire
Replace the tire if you find any of the above conditions. Make sure you also inspect the spare tire periodically for condition and inflation. Spare tires will age and become worn over time even if never used, and thus should be inspected and replaced when necessary.
Life of tire G Warning! Tires and spare tire should be replaced after 6 years, regardless of the remaining tread. The service life of a tire is dependent upon varying factors including but not limited to: RDriving style RTire inflation pressure RDistance driven
Tread depth G Warning! Although the applicable federal motor vehicle safety laws consider a tire to be worn when the treadwear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recommend that you do not allow your tires to wear down to that level. As tread depth approaches 1/8 in (3 mm), the adhesion properties on a wet road are sharply reduced. Depending upon the weather and/or road surface (conditions), the tire traction varies widely.
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Version: 2.11.8.1Do not allow your tires to wear down too far. Adhesion properties on wet roads are sharply reduced at tread depths of less than 1/8 in (3 mm). Treadwear indicators (TWI) are required by law. These indicators are located in six places on the tread circumference and become visible at a tread depth of approximately 1/16 in (1.6 mm), at which point the tire is considered worn and should be replaced. The recommended minimum tire tread depth for summer tires is 1/8 in (3 mm). The recommended minimum tire tread depth for winter tires is 1/6 in (4 mm).
Treadwear indicator : appears as a solid band across the tread.
Storing tires ! Keep unmounted tires in a cool, dry place with as little exposure to light as possible. Protect tires from contact with oil, grease and fuels.
Cleaning tires ! Never use a round nozzle to power wash tires. The intense jet of water can result in damage to the tire. Always replace a damaged tire.
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243
Uniform Tire Quality Grading Standards
The Uniform Tire Quality Grading is a U.S. Government requirement designed to give drivers consistent and reliable information regarding tire performance. Tire manufacturers are required to grade tires based on three performance factors: treadwear :, traction ;, and temperature resistance =. Although not a Government of Canada requirement, all tires made for sale in North America have these grades branded on the sidewall. i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration.
Quality grades can be found, where applicable, on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200
Temperature
Traction AA
All passenger car tires must conform to federal safety requirements in addition to these grades.
Treadwear The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. Government test course. For example, a
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Version: 2.11.8.1244 Tires and wheels
tire graded 150 would wear one and one-half (1 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.
Traction G Warning! The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristics. The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance. G Warning! If ice has formed on the road, tire traction will be substantially reduced. Under such weather conditions, drive, steer and brake with extreme caution. The safe speed on a wet, snow covered or icy road is always lower than on a dry road. You should pay particular attention to the condition of the road whenever the outside temperature is close to the freezing point. Mercedes-Benz recommends winter tires (Y page 252) with a minimum tread depth of approximately 1/6 in (4 mm) on all four wheels for the winter season to ensure normal balanced handling characteristics. On packed snow, they can reduce your stopping distance compared to summer tires. Stopping distance, however, is still considerably greater than when the road is
not covered with snow or ice. Exercise appropriate caution. ! Avoid spinning of a drive wheel. This may
cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty.
Temperature G Warning! The temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause excessive heat build-up and possible tire failure. The temperature grades are A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.
Rotating tires G Warning! Rotate front and rear wheels only if the tires are of the same dimension. If your vehicle is equipped with mixed-size tires (different tire dimensions front vs. rear), tire rotation is not possible.
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Version: 2.11.8.1G Warning! Have the tightening torque checked after changing a wheel. Wheels could become loose if not tightened with a torque of 96 lb-ft (130 Nm). Only use genuine Mercedes-Benz wheel bolts specified for your vehicle’s rims. Tire rotation can be performed on vehicles with tires of the same dimension all around. If your vehicle is equipped with tires of the same dimension all around, tires can be rotated, observing a front-to-rear rotation pattern that will maintain the intended rotation (spinning) direction of the tire (Y page 241). In some cases, such as when your vehicle is equipped with mixed-size tires (different tire dimension front vs. rear), tire rotation is not possible. If applicable to your vehicle’s tire configuration, tires can be rotated according to the tire manufacturer’s recommended intervals in the tire manufacturer’s warranty pamphlet located in your vehicle literature portfolio. If none is available, tires should be rotated every 3 000 to 6 000 miles (5 000 to 10 000 km), or sooner if necessary, according to the degree of tire wear. The same rotation (spinning) direction must be maintained. Rotate tires before the characteristic tire wear pattern becomes visible (shoulder wear on front tires and tread center wear on rear tires). Thoroughly clean the mounting face of wheels and brake disks, i.e. the inner side of the wheels/tires, during each rotation. Check for and ensure proper tire inflation pressure. For information on wheel change, see “Flat tire” (Y page 323).
Tire labeling Besides tire name (sales designation) and manufacturer name, a number of markings can be found on a tire.
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245
Following are some explanations for the markings on your vehicle’s tires:
: Uniform Tire Quality Grading Standards
; DOT, Tire Identification Number
(Y page 243)
(Y page 248)
= Maximum tire load (Y page 241) ? Maximum tire inflation pressure
(Y page 237) A Manufacturer B Tire ply material (Y page 249) C Tire size designation, load and speed
rating (Y page 246)
D Load identification (Y page 248) E Tire name
i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration. For more information, see “Rims and tires” (Y page 353).
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Tire size designation, load and speed rating
: Tire width ; Aspect ratio in % = Radial tire code ? Rim diameter A Load index B Speed symbol
i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration.
General: Depending on the design standards used, the tire size molded into the sidewall may have no letter or a letter preceding the tire size designation. No letter preceding the size designation (as illustrated above): Passenger car tire based on European design standards. Letter “P” preceding the size designation: Passenger car tire based on U.S. design standards. Letter “LT” preceding the size designation: Light Truck tire based on U.S. design standards. Letter “T” preceding the size designation: Temporary spare tires which are high pressure compact spares designed for temporary emergency use only. Tire width Tire width : indicates the nominal tire width in millimeters.
Aspect ratio Aspect ratio ; is the dimensional relationship between tire section height and section width and is expressed in percentage. The aspect ratio is arrived at by dividing section height by section width. Tire code Tire code = indicates the tire construction type. The “R” stands for radial tire type. Letter “D” means diagonal or bias ply construction; letter “B” means belted-bias ply construction. At the tire manufacturer’s option, any tire with a speed capability above 149 mph (240 km/h) can include a “ZR” in the size designation (for example: 245/40 ZR 18). For additional information, see “Tire speed rating” (Y page 247). Rim diameter Rim diameter ? is the diameter of the bead seat, not the diameter of the rim edge. The rim diameter is indicated in inches (in). Load index G Warning! The tire load rating must always be at least half of the GAWR of your vehicle. Otherwise, tire failure may be the result which may cause an accident and/or serious injury to you or others. Always replace rims and tires with the same designation, manufacturer and type as shown on the original part. G Warning! Do not overload the tires by exceeding the specified load limit as indicated on the Tire and Loading Information placard on the driver’s door B-pillar. Overloading the tires can overheat them, possibly causing a blowout. Overloading the tires can also result in handling or steering problems, or brake failure. Load index A is a numerical code associated with the maximum load a tire can support.
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247
For example, a load rating of 91 corresponds to a maximum load of 1356 lb (615 kg) the tire is designed to support. See also “Maximum tire load” (Y page 241) where the maximum load associated with the load index is indicated in kilograms and lbs. For additional information on the load index, see “Load identification” (Y page 248). Speed symbol G Warning! Even when permitted by law, never operate a vehicle at speeds greater than the maximum speed rating of the tires. Exceeding the maximum speed for which tires are rated can lead to sudden tire failure, causing loss of vehicle control and possibly resulting in an accident and/or serious personal injury and possible death, for you and for others. Regardless of the tire speed rating, local speed limits should be obeyed. Use prudent driving speeds appropriate to prevailing conditions. Speed symbol B indicates the approved maximum speed (tire speed rating) for the tire. Summer tires Index ZR...Y
Speed rating up to 100 mph (160 km/h) up to 106 mph (170 km/h) up to 112 mph (180 km/h) up to 118 mph (190 km/h) up to 130 mph (210 km/h) up to 149 mph (240 km/h) up to 168 mph (270 km/h) up to 186 mph (300 km/h) up to 186 mph (300 km/h)
14 or M+Sifor winter tires
Index ZR...(..Y) ZR
Speed rating above 186 mph (300 km/h) above 149 mph (240 km/h)
RAt the tire manufacturer’s option, any tire
with a speed capability above 149 mph (240 km/h) can include a “ZR” in the size designation (for example: 245/40 ZR18). To determine the maximum speed capability of the tire, the service description for the tire must be referred to. The service description is comprised of load index A and speed symbol B. If your tire includes “ZR” in the size designation and no service description is given, the tire manufacturer must be consulted for the maximum speed capability. If a service description is given, the speed capability is limited by the speed symbol in the service description. Example: 245/40 ZR18 97Y. In this example, “97Y” is the service description. The letter “Y” designates the speed rating and the speed capability of the tire is limited to 186 mph (300 km/h).
RAny tire with a speed capability above
186 mph (300 km/h) must include a “ZR” in the size designation AND the service description must be placed in parenthesis. Example: 275/40 ZR 18 (99Y). The “(Y)” speed symbol in parenthesis designates the maximum speed capability of the tire as being above 186 mph (300 km/h). Consult the tire manufacturer for the actual maximum permissible speed of the tire.
All-season and winter tires Index Speed rating Q M+S14 up to 100 mph (160 km/h) up to 118 mph (190 km/h) T M+S14
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Version: 2.11.8.1Load identification
i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration.
In addition to the load index, special load identification : may be molded into the tire sidewall following the letter designating the speed symbol B (Y page 246). RNo specification given: absence of any text
(like in above example) indicates a standard load (SL) tire.
RXL or Extra Load: designates an extra load
(or reinforced) tire.
RLight Load: designates a light load tire. RC, D, E: designates load range associated with the maximum load a tire can carry at a specified pressure.
DOT, Tire Identification Number (TIN) U.S. tire regulations require each new tire manufacturer or tire retreader to mold a TIN into or onto a sidewall of each tire produced.
248 Tires and wheels
Speed rating
Index H M+S14 up to 130 mph (210 km/h) up to 149 mph (240 km/h) V M+S14
i Not all M+S rated tires provide special winter performance. Make sure the tires you use show M+S and the mountain/ snowflakeimarking on the tire sidewall. These tires meet specific snow traction performance requirements of the Rubber Manufacturers Association (RMA) and the Rubber Association of Canada (RAC) and have been designed specifically for use in snow conditions.
An electronic speed limiter prevents your vehicle from exceeding a speed of: RAll models except AMG vehicles:
130 mph (210 km/h)
RE 63 AMG:
155 mph (250 km/h)
RE 63 AMG (Performance Package):
186 mph (300 km/h)
The factory equipped tires on your vehicle may have a tire speed rating above the maximum speed permitted by the electronic speed limiter. Make sure your tires have the required tire speed rating as specified for your vehicle in the “Technical data” section (Y page 353), for example when purchasing new tires. If you are uncertain about the correct reading of the information given on a tire’s sidewall, any authorized Mercedes-Benz Center will be glad to assist you.
14 or M+Sifor winter tires
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249
Tire type code Tire type code ? may, at the option of the manufacturer, be used as a descriptive code for identifying significant characteristics of the tire.
Date of manufacture The date of manufacture A identifies the week and year of manufacture. The first two figures identify the week, starting with “01” to represent the first full week of the calendar year. The second two figures represent the year. For example, “3208” represents the 32nd week of 2008.
Tire ply material
i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration.
This marking tells you about the type of cord and number of plies in the sidewall : and under the tread ;.
Tire and loading terminology Accessory weight The combined weight (in excess of those standard items which may be replaced) of automatic transmission, power steering, power brakes, power windows, power seats,
The TIN is a unique identifier. The TIN facilitates efforts by tire manufactures to notify purchasers in recall situations or other safety matters concerning tires. It gives purchasers the means to easily identify such tires. The TIN is comprised of “Manufacturer’s identification mark” ;, “Tire size” =, “Tire type code” ? and “Date of manufacture” A. i For illustration purposes only. Actual data
on tires are specific to each vehicle and may vary from data shown in above illustration.
DOT (Department of Transportation) Tire branding symbol : denotes that the tire meets requirements of the U.S. Department of Transportation.
Manufacturer’s identification mark Manufacturer’s identification mark ; denotes the tire manufacturer. New tires have a mark with two symbols. Retreaded tires have a mark with four symbols. For more information on retreaded tires, see (Y page 228).
Tire size Code = indicates the tire size.
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radio, and heater, to the extent that these items are available as factory-installed equipment (whether installed or not).
Air pressure The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in pounds per square inch (psi), kilopascal (kPa), or bar.
Aspect ratio Dimensional relationship between tire section height and section width expressed in percentage.
Bar Metric unit for air pressure. There are 14.5038 pounds per square inch (psi) to 1 bar; there are 100 kilopascals (kPa) to 1 bar.
Bead The tire bead contains steel wires wrapped by steel cords that hold the tire onto the rim.
Cold tire inflation pressure Tire inflation pressure when your vehicle has been sitting for at least 3 hours or driven no more than 1 mile (1.6 km).
Curb weight The weight of a motor vehicle with standard equipment including the maximum capacity of fuel, oil, and coolant, and, if so equipped, air conditioning and additional optional equipment, but without passengers and cargo.
DOT (Department of Transportation) A tire branding symbol which denotes the tire meets requirements of the U.S. Department of Transportation.
GAWR (Gross Axle Weight Rating) The GAWR is the maximum permissible axle weight. The gross vehicle weight on each axle must never exceed the GAWR for the front and rear axle indicated on the certification label located on the driver’s door B-pillar.
GVW (Gross Vehicle Weight) The GVW comprises the weight of the vehicle including fuel, tools, spare wheel, installed accessories, passengers and cargo and, if applicable, trailer tongue load. The GVW must never exceed the GVWR indicated on the certification label located on the driver’s door B-pillar.
GVWR (Gross Vehicle Weight Rating) This is the maximum permissible vehicle weight of the fully loaded vehicle (weight of the vehicle including all options, passengers, fuel, and cargo and, if applicable, trailer tongue load). It is indicated on the certification label located on the driver’s door B-pillar.
Kilopascal (kPa) Metric unit for air pressure. There are 6.9 kPa to 1 psi; another metric unit for air pressure is bar. There are 100 kilopascals (kPa) to 1 bar.
Load index Numerical code associated with the maximum load a tire can support.
Maximum load rating The maximum load in kilograms and pounds that can be carried by the tire.
Maximum loaded vehicle weight The sum of curb weight, accessory weight, total load limit, and production options weight.
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Version: 2.11.8.1Maximum permissible tire inflation pressure This number is the greatest amount of air pressure that should ever be put in the tire.
Normal occupant weight The number of occupants the vehicle is designed to seat, multiplied by 68 kilograms (150 lb).
Occupant distribution The distribution of occupants in a vehicle at their designated seating positions.
Production options weight The combined weight of those installed regular production options weighing over 5 lbs (2.3 kilograms) in excess of those standard items which they replace, not previously considered in curb weight or accessory weight, including heavy duty brakes, ride levelers, roof rack, heavy duty battery, and special trim.
PSI (Pounds per square inch) A standard unit of measure for air pressure.
Recommended tire inflation pressure The recommended tire inflation pressure for normal driving conditions is listed on the Tire and Loading Information placard located on the driver’s door B-pillar. It provides best handling, tread life and riding comfort. Supplemental information pertaining to special driving situations can be found on the tire inflation pressure label on the inside of the fuel filler flap.
Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are seated.
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251
Sidewall The portion of a tire between the tread and the bead.
TIN (Tire Identification Number) Unique identifier which facilitates efforts by tire manufacturers to notify purchasers in recall situations or other safety matters concerning tires and gives purchasers the means to easily identify such tires. The TIN is comprised of “Manufacturer’s identification mark”, “Tire size”, “Tire type code” and “Date of manufacture”.
Tire ply composition and material used This indicates the number of plies or the number of layers of rubber-coated fabric in the tire tread and sidewall. Tire manufacturers also must indicate the ply materials in the tire and sidewall, which include steel, nylon, polyester, and others.
Tire speed rating Part of tire designation (speed symbol); indicates the speed range for which a tire is approved.
Total load limit Rated cargo and luggage load plus 68 kilograms (150 lb) times the vehicle’s designated seating capacity.
Traction The adhesive friction of a tire on a surface on which it moves. The amount of grip provided.
Tread The portion of a tire that comes into contact with the road.
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252 Winter driving
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Version: 2.11.8.1Treadwear indicators Narrow bands, sometimes called “wear bars” that show across the tread of a tire when only 1/16 in (1.6 mm) of tread remains.
Uniform Tire Quality Grading Standards A tire information system that provides consumers with ratings for a tire’s traction, temperature and treadwear. Ratings are determined by tire manufacturers using U.S. government testing procedures. The ratings are molded into the sidewall of the tire.
Vehicle maximum load on the tire Load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing it by two.
Winter driving General information Have your vehicle winterized at an authorized Mercedes-Benz Center. i Vehicles with diesel engine:
Do not cover the radiator, for example with a winter front. Otherwise the readings of the on-board diagnostic system may be inaccurate. Some of theses readings are required by law and must be accurate at all times.
Winter tires G Warning! Winter tires with a tread depth of less than 1/6 in (4 mm) must be replaced. They are no longer suitable for winter operation. G Warning! If you use your spare wheel when winter tires are fitted on the other wheels, be aware that
the difference in tire characteristics may very well impair turning stability and that overall driving stability may be reduced. Adapt your driving style accordingly. Have the spare wheel replaced by a regular road wheel with a winter tire at the nearest authorized Mercedes-Benz Center. Always use winter tires at temperatures below 45‡ (7†) and whenever wintry road conditions prevail. Not all M+S rated tires provide special winter performance. Make sure the tires you use show the mountain/ snowflakeimarking on the tire sidewall. These tires meet specific snow traction performance requirements of the Rubber Manufacturers Association (RMA) and the Rubber Association of Canada (RAC) and have been designed specifically for use in snow conditions. Use of winter tires is the only way to achieve the maximum effectiveness of your vehicle’s driving safety systems such as the ABS and the ESC in winter operation. For safe handling, make sure all mounted winter tires are of the same make and have the same tread design. For information on winter tires for your vehicle model, see the “Technical data” section (Y page 353). Always observe the speed rating of the winter tires installed on your vehicle. After installing winter tires: X Check the tire inflation pressure and adjust
it if necessary (Y page 231).
X Restart the tire pressure loss warning
system (Y page 232) or the Advanced Tire Pressure Monitoring System (Y page 233).
Snow chains ! Vehicles with AIRMAITC:
When driving with snow chains, always select the raised level of the vehicle level
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Version: 2.11.8.1control. Other settings may result in damage to your vehicle.
! Some tire sizes do not leave adequate clearance for snow chains. To help avoid serious damage to your vehicle or tires, make sure the use of snow chains is permissible as specified in the “Technical data” section of this Operator’s Manual.
Snow chains should only be driven on snow- covered roads at speeds not to exceed 30 mph (50 km/h). Remove chains as soon as possible when driving on roads without snow. Observe the following guidelines when using snow chains: RUse of snow chains is not permissible with all wheel/tire combinations (Y page 353).
RUse snow chains in pairs and on rear
wheels only. Follow the manufacturer’s mounting instructions.
! If snow chains are mounted to the front wheels, they may scrape against the body or axle components. The tires or the vehicle could be damaged as a result.
ROnly use snow chains that are approved by Mercedes-Benz. Any authorized Mercedes- Benz Center will be glad to advise you on this subject.
RUse of snow chains may be prohibited
depending on location. Always check local and state laws before installing snow chains.
RDo not use snow chains on the spare wheel. i When driving with snow chains, you may
wish to switch off the ESC (Y page 66) before setting the vehicle in motion. This will improve the vehicle’s traction.
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Winter driving instructions G Warning! If the vehicle becomes stuck in snow, make sure snow is kept clear of the exhaust pipe and from around the vehicle with the engine running. Otherwise, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death. To assure sufficient fresh air ventilation, open a window slightly on the side of the vehicle not facing the wind. G Warning! The outside temperature indicator is not designed to serve as an ice-warning device and is therefore unsuitable for that purpose. Indicated temperatures just above the freezing point do not guarantee that the road surface is free of ice. The road may still be icy, especially in wooded areas or on bridges. G Warning! On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your vehicle’s ABS will not prevent this type of loss of control. The most important rule for slippery or icy roads is to drive sensibly and to avoid abrupt acceleration, braking and steering maneuvers. Do not use the cruise control or DISTRONIC PLUS system under such conditions. When the vehicle is in danger of skidding, shift the automatic transmission to neutral position N. Try to keep the vehicle under control by corrective steering action. i For information on driving with snow
chains, see “Snow chains” (Y page 252).
Road salts and chemicals can adversely affect braking efficiency. Increased pedal force may become necessary to produce the normal brake effect.
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Version: 2.11.8.1254 Driving instructions
Depressing the brake pedal periodically when traveling at length on salt-strewn roads can bring road-salt-impaired braking efficiency back to normal. If the vehicle is parked after being driven on salt-treated roads, the braking efficiency should be tested as soon as possible after driving is resumed. G Warning! Make sure not to endanger any other road users when carrying out these braking maneuvers.
Driving instructions Drive sensibly – save fuel To save fuel you should: RKeep tires at the recommended inflation
pressures.
RRemove unnecessary loads. RRemove roof rack when not in use. RAllow engine to warm up under low load
use.
RAvoid frequent acceleration and
deceleration.
RHave all maintenance work performed at the intervals specified in the Maintenance Booklet and as required by the Maintenance system. Contact an authorized Mercedes-Benz Center.
Fuel consumption is also increased by driving in cold weather, in stop-and-go traffic, on short trips and in mountainous areas.
Drinking and driving G Warning! Drinking and driving and/or taking drugs and driving are very dangerous combinations. Even a small amount of alcohol or drugs can affect your reflexes, perceptions and judgment.
The possibility of a serious or even fatal accident are greatly increased when you drink or take drugs and drive. Do not drink or take drugs and drive or allow anyone to drive who has been drinking or taking drugs.
Pedals G Warning! Make sure absolutely no objects are obstructing the pedals’ range of movement. Keep the driver’s footwell clear of all obstacles. If there are any floormats or carpets in the footwell, make sure that the pedals still have sufficient clearance. During sudden driving or braking maneuvers, the objects could get caught between the pedals. You could then no longer brake or accelerate. This could lead to accidents and injury.
Power assistance G Warning! There is no power assistance for the steering and the brake when the engine is not running. Steering and braking requires significantly more effort and you could lose control of the vehicle and cause an accident as a result. Do not turn off the engine while the vehicle is in motion.
Brakes Downhill grades ! When driving down long and steep
grades, relieve the load on the brakes by shifting into a lower gear to use the engine’s braking power. This helps prevent overheating of the brakes and reduces wear.
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Version: 2.11.8.1When using the engine’s braking power, a drive wheel may not spin for an extended period of time, e.g. on slippery road surfaces. This may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty.
Continuous or hard braking G Warning! Resting your foot on the brake pedal will cause excessive and premature wear of the brake pads. It can also result in the brakes overheating, thereby significantly reducing their effectiveness. It may not be possible to stop the vehicle in sufficient time to avoid an accident. After hard braking, it is advisable to drive on for some time, rather than immediately park, so that the air stream will cool down the brakes faster.
Wet roads G Warning! After driving in heavy rain for some time without applying the brakes or through water deep enough to wet brake components, the first braking action may be somewhat reduced and increased pedal pressure may be necessary to obtain expected brake effect. Maintain a safe distance from vehicles in front. To help prevent brake disk corrosion after driving on wet or salt-covered roads, it is advisable to brake the vehicle with considerable force prior to parking. The heat generated serves to dry the brakes.
Salt-covered roads G Warning! A layer of salt on the brake discs and the brake linings may cause a delay in the braking effect, resulting in a significantly increased
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braking distance, which could lead to an accident. To avoid this danger, you should: Roccasionally brake carefully when you are driving on salt-covered roads, so that any layer of salt that may have built up on the brake discs and the brake linings is removed without putting other road users at risk
Rmaintain a greater distance to the vehicle
ahead and drive with particular care
Rcarefully apply the brakes at the end of a trip and immediately after commencing a new trip, so that salt residues are removed from the brake disc
Brake service ! The brake fluid level in the reservoir may be too low if the red brake warning lamp in the instrument cluster comes on while the engine is running and an acoustic warning sounds. Observe additional messages in the multifunction display that may appear. Brake pad wear or a leak in the system may be the reason for low brake fluid in the reservoir. Have the brake system inspected immediately. Contact an authorized Mercedes-Benz Center.
All checks and service work on the brake system should be carried out by qualified technicians only. Contact an authorized Mercedes-Benz Center. Only install brake pads and use brake fluid recommended by Mercedes-Benz. G Warning! If other than recommended brake pads are installed, or other than recommended brake fluid is used, the braking properties of the vehicle can be degraded to an extent that safe braking is substantially impaired. This could result in an accident.
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Version: 2.11.8.1256 Driving instructions
! Vehicles with 4MATIC:
Only conduct operational or performance tests on a two-axle dynamometer. If such tests are necessary, contact an authorized Mercedes-Benz Center. You could otherwise seriously damage the brake system or the transfer case which is not covered by the Mercedes-Benz Limited Warranty.
! Vehicles with 4MATIC:
Because the ESC operates automatically, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button in position 0 or 1) when the electronic parking brake is being tested on a brake test dynamometer. Active braking action through the ESC may otherwise seriously damage the brake system which is not covered by the Mercedes-Benz Limited Warranty.
! Vehicles without 4MATIC:
Because the ESC operates automatically, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button in position 0 or 1) when the electronic parking brake is being tested on a brake test dynamometer or when the vehicle is being towed with one axle raised. Active braking action through the ESC may otherwise seriously damage the brake system which is not covered by the Mercedes-Benz Limited Warranty.
If your brake system is only subjected to moderate loads, you should occasionally test the effectiveness of the brakes by applying above-normal braking pressure at higher speeds. This will also enhance the grip of the brake pads. G Warning! Make sure not to endanger any other road users when carrying out these braking maneuvers.
Refer to the description of the Brake Assist System (BAS) (Y page 63) or BAS PLUS (Y page 63).
High-performance brake system and ceramic brake system The high-performance brake system and ceramic brake system is only available on E 63 AMG. G Warning! New vehicle brake pads and disks, and replacement brake pads and disks may take several hundred miles of driving until they provide optimum braking efficiency. Until that time, you may need to use increased brake pedal pressure while braking. Please be aware of this and adjust your driving and braking accordingly during this break-in period. Excessive high-demand braking will cause correspondingly high brake wear. Please be attentive to the brake warning lamp in the instrument cluster and brake condition messages in the multifunction display. Especially for high performance driving, it is important to maintain and have the brake system checked regularly. The high-performance brake system is designed to operate under the extremely high operating demands required to accommodate the performance capabilities of the vehicle. The brakes may produce a squeaking-type noise depending on the Rvehicle speed Rbrake force applied Rambient conditions, e.g. temperature and
humidity
As with any brake system, the wear of individual brake system components such as brake pads or disks strongly depends on your driving style and the conditions under which you operate the vehicle. Thus, a driving style calling for high-demand braking will cause your vehicle’s brakes to wear more quickly.
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Version: 2.11.8.1Driving off Warm up the engine smoothly. Do not place full load on the engine until the operating temperature has been reached. ! When driving off on a slippery surface, do
not allow a drive wheel to spin for an extended period with the ESC switched off. Doing so may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty.
! Simultaneously depressing the
accelerator pedal and applying the brakes reduces engine performance and causes premature brake and drivetrain wear which is not covered by the Mercedes-Benz Limited Warranty.
Hydroplaning Depending on the depth of the water layer on the road, hydroplaning may occur, even at low speeds and with new tires. In heavy rain or when conditions indicate possible hydroplaning: X Reduce vehicle speed. X Avoid track grooves in the road. X Apply brakes cautiously.
Standing water ! Do not drive through flooded areas.
Before driving through water, determine its depth. If you must drive through standing water, drive slowly to prevent water from entering the passenger compartment or the engine compartment. Water in these areas could cause damage to electrical components or wiring of the engine or transmission, or could result in water being ingested by the engine through the air intake causing severe internal engine damage. Any such
15 Observe all legal requirements.
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257
damage is not covered by the Mercedes- Benz Limited Warranty.
Driving abroad If you plan to drive the vehicle outside the U.S. or Canada, you should request dealer network information for your destination from any authorized Mercedes-Benz Center.
Control and operation of radio transmitters Safety notes G Warning! Please do not forget that your primary responsibility is to drive the vehicle. A driver’s attention to the road must always be his/her primary focus when driving. For your safety and the safety of others, we recommend that you pull over to a safe location and stop before placing or taking a telephone call. If you choose to use the telephone15 while driving, please use the hands-free device and only use the telephone when road, weather and traffic conditions permit. Some jurisdictions prohibit the driver from using a mobile telephone while driving a vehicle. Only operate the audio system or COMAND15 (Cockpit Management and Data System) if road, weather and traffic conditions permit. Otherwise, you may not be able to observe traffic conditions and could endanger yourself and others. Bear in mind that at a speed of just 30 mph (approximately 50 km/h), your vehicle is covering a distance of 44 feet (approximately 14 m) every second.
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Emission control Certain systems of the engine serve to keep the toxic components of the exhaust gases within permissible limits required by law. These systems will function properly only when maintained strictly according to factory specifications. Any adjustments on the engine should, therefore, be carried out only by qualified Mercedes-Benz Center authorized technicians. Engine adjustments should not be altered in any way. Moreover, the specified service procedures must be carried out regularly according to Mercedes-Benz servicing requirements. For details refer to the Maintenance Booklet. G Warning! Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the engine in confined areas (such as a garage) which are not properly ventilated. If you think that exhaust gas fumes are entering the vehicle while driving, have the cause determined and corrected immediately. If you must drive under these conditions, drive only with at least one window fully open at all times.
Maintenance Notes The Maintenance System in your vehicle tracks the distance driven and the time elapsed since the last maintenance service. It calculates other maintenance service work required, and calls for the next maintenance service accordingly. We strongly recommend that you have your vehicle serviced at an authorized Mercedes- Benz Center. Have it serviced in accordance with the Maintenance Booklet at the times
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Version: 2.11.8.1called for by the maintenance service indicator. i Failure to have the vehicle maintained in accordance with the Maintenance Booklet and maintenance service indicator at the designated times/mileage will result in vehicle damage not covered by the Mercedes-Benz Limited Warranty.
Maintenance service indicator message Information on maintenance work and maintenance intervals are specified in the Maintenance Booklet. Contact an authorized Mercedes-Benz Center, or visit www.mbusa.com (USA only) for additional information. The maintenance service indicator message will notify you when the next maintenance service is required. Starting approximately 1 month before the next maintenance service is required, one of the following messages will appear in the multifunction display. The messages will appear while you are driving or when you switch on the ignition (example service A): Next Service A in XXXX miles (km) Next Service A in XX days Service A Due
An additional number or a further letter in combination with the maintenance type can be indicated. This indicates that further auxiliary maintenance work is required. Contact an authorized Mercedes-Benz Center for more information.
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Version: 2.11.8.1Maintenance 259
Clearing the maintenance service indicator message The maintenance service indicator message is cleared automatically Rafter approximately 10 seconds when you
switch on the ignition
Rafter approximately 10 seconds when
reaching the service threshold while driving Rafter approximately 30 seconds, once the suggested maintenance service term has passed
X Clearing the maintenance service indicator message manually: Press button % or button a on the multifunction steering wheel. The standard display appears in the multifunction display.
Maintenance service term exceeded If you have exceeded the suggested maintenance service term, you will see the following message in the multifunction display: Service A Exceeded by XXXXX miles (km) Service A Exceeded by XXX days In addition, a signal sounds when the message appears. Any authorized Mercedes-Benz Center will reset the maintenance service indicator following a completed maintenance service.
Calling up the maintenance service indicator display i The menu overview can be found on
(Y page 129).
You can call up the maintenance service indicator display at any time to check when the next maintenance service is required.
X Switch on the ignition.
The standard display of the control system appears (Y page 129).
X Press button = or ; on the multifunction steering wheel to select the Serv. menu. X Press button : or 9 to select ASSYST PLUS. X Press button a on the multifunction
steering wheel to confirm. The maintenance service indicator display with the maintenance service deadline appears in the multifunction display.
i If the battery was disconnected, the days of disconnection will not be included in the count shown by the maintenance service indicator. To arrive at the true maintenance service deadline, you will need to subtract these days from the days shown in the maintenance service indicator message or maintenance service indicator display.
Resetting the maintenance service indicator In the event that the maintenance service on your vehicle is not carried out at an authorized Mercedes-Benz Center, you can have the maintenance service indicator reset. The automotive maintenance facility carrying out the maintenance service will find the information for resetting the maintenance service indicator in the maintenance-relevant literature for your vehicle. Such literature is available at any authorized Mercedes-Benz Center or directly from Mercedes-Benz. ! If the maintenance service indicator was
reset inadvertently, have an authorized Mercedes-Benz Center correct it. Only reset the maintenance service indicator if the proper maintenance service has been performed. Not following the proper maintenance service as described in the Maintenance Booklet will result in
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engine damage and/or other vehicle damage not covered by the Mercedes-Benz Limited Warranty.
Vehicle care Cleaning and care of the vehicle Notes Regular and proper care will help to maintain the value of your vehicle. G Warning! Many cleaning products can be hazardous. Some are poisonous, others are flammable. Always follow the instructions on the particular container. Always open your vehicle’s doors or windows when cleaning the inside. Never use fluids or solvents that are not designed for cleaning your vehicle. Always lock away cleaning products and keep them out of reach of children.
! When cleaning the vehicle, do not use
scouring agents. Never apply strong force and only use a soft, wet cloth or sponge. Otherwise you may scratch or damage the surface to be cleaned.
While in operation, even while parked, your vehicle is subjected to varying external influences which, if gone unchecked, can attack the paintwork as well as the vehicle underbody and cause lasting damage. Such damage is caused not only by extreme and varying climatic conditions, but also by: RAir pollution RRoad salt RTar RGravel and stone chipping
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Version: 2.11.8.1To avoid paint damage, you should immediately remove: RGrease and oil RFuel RCoolant RBrake fluid RBird droppings RInsects RTree resins etc. Frequent washing reduces and/or eliminates the aggressiveness and potency of the above adverse influences. More frequent washings are necessary to deal with unfavorable conditions: Rnear the ocean Rin industrial areas (smoke, exhaust
emissions)
Rduring winter operation You should check your vehicle from time to time for stone chipping or other damage. Any damage should be repaired as soon as possible to prevent corrosion. In doing so, do not neglect the underbody of the vehicle. A prerequisite for a thorough check is a washing of the underbody followed by a thorough inspection. Damaged areas need to be re-undercoated. Your vehicle has been treated at the factory with a wax-base rustproofing in the body cavities which will last for the lifetime of the vehicle. Post-production treatment is neither necessary nor recommended by Mercedes- Benz because of the possibility of incompatibility between materials used in the production process and others applied later. We have selected vehicle-care products and compiled recommendations which are specially matched to our vehicles and which always reflect the latest technology. You can obtain Mercedes-Benz approved vehicle-care products at an authorized Mercedes-Benz Center.
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Version: 2.11.8.1Scratches, corrosive deposits, corrosion or damage due to negligent or incorrect care cannot always be removed or repaired with the vehicle-care products recommended here. In such cases it is best to seek aid at an authorized Mercedes-Benz Center. The following topics deal with the cleaning and care of your vehicle and give important “how-to” information as well as references to Mercedes-Benz approved vehicle-care products.
Power washer ! Follow the instructions provided by the
power washer manufacturer on maintaining a distance between the vehicle and the nozzle of the power washer. Never use a round nozzle to power-wash tires. The intense jet of water can result in damage to the tire. Always replace a damaged tire. Always keep the jet of water moving across the surface. Do not aim directly at electrical parts, electrical connectors, seals, or other rubber parts.
i Vehicles with KEYLESS-GO:
If a door handle is hit by a strong jet of water, and a SmartKey is within approximately 3 ft (1 m) of the vehicle, it could be inadvertently locked or unlocked.
Tar stains Quickly remove tar stains before they dry and become more difficult to remove. A tar remover is recommended.
Paintwork, painted body components ! Affixing stickers, magnets, adhesive tape
or similar materials to painted body components may damage the paintwork. Mercedes-Benz approved Paint Care should be applied when water drops on the paint surface do not “bead up”. This should
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normally be done every 3 to 5 months, depending on the climate and washing detergent used. Mercedes-Benz approved Paint Cleaner should be applied if the paint surface shows signs of embedded dirt (i.e. loss of gloss). Do not apply any of these products or wax if your vehicle is parked in the sun or if the hood is still hot. X Use the appropriate MB-Touch-Up Stick for quick and provisional repairs of minor paint damage (i.e. chips from stones, vehicle doors, etc.).
Engine cleaning Prior to cleaning the engine compartment, make sure to protect electrical components and connectors from contact with water and cleaning agents. Corrosion protection, such as MB Anticorrosion Wax should be applied to the engine compartment after every engine cleaning. Before applying, all control linkage bushings and joints should be lubricated. The poly-V-belt and all pulleys should be protected from any wax.
Vehicle washing In the winter, thoroughly remove all traces of road salt as soon as possible. When washing the vehicle underbody, do not forget to clean the inner sides of the wheels. i Vehicles with KEYLESS-GO:
If a door handle is hit by a strong jet of water, and a SmartKey is within approximately 3 ft (1 m) of the vehicle, it could be inadvertently locked or unlocked.
Hand-wash X Do not use hot water or wash your vehicle
in direct sunlight.
X Only use a soft, wet cloth or sponge to
clean the vehicle.
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Version: 2.11.8.1X Only use a mild vehicle wash detergent,
such as Mercedes-Benz approved Car Shampoo.
X Thoroughly spray the vehicle with a
diffused jet of water.
X Do not spray directly towards the
ventilation intake.
X Use plenty of water and rinse the sponge
and chamois frequently.
X Rinse with clean water and dry with a
chamois thoroughly. Do not allow cleaning agents to dry on the finish.
Automatic car wash G Warning! The vehicle is braked when the HOLD function or DISTRONIC PLUS is activated. Therefore, deactivate the HOLD function or DISTRONIC PLUS before the vehicle is washed in an automatic car wash. You can have your vehicle washed in an automatic car wash from the start. Brushless car washes are preferable. X To protect the filter system, activate the air recirculation mode using button g on the climate control panel.
! Do not clean your vehicle in an automatic
touchless car wash which uses caustic spray. Caustic spray will damage the paint or ornamental moldings.
If the vehicle is very dirty, prewash it before running it through the automatic car wash. ! Make sure the combination switch is set to wiper setting $. Otherwise, the rain sensor could activate and cause the wipers to move unintentionally. This may lead to vehicle damage. Due to the width of the vehicle, fold in exterior rear view mirrors prior to running the vehicle through an automatic car wash to prevent damage to the mirrors.
X When taking the vehicle through an automatic conveyor-type car wash: Make sure the automatic transmission remains in neutral position N. Observe instructions, see “Remaining in neutral position N” (Y page 117).
When leaving the automatic car wash, make sure the mirrors are folded out. After running the vehicle through an automatic car wash, wipe any wax off of the windshield and the wiper blade inserts. This will prevent smears and reduce wiping noise which can be caused by residual wax on the windshield.
Ornamental moldings X For regular cleaning and care of ornamental
moldings, use a damp cloth.
! Do not use chrome cleaner on ornamental moldings. Although ornamental moldings may have chrome appearance, they could be made of anodized aluminum that will be damaged when cleaned with chrome cleaner. Instead, use a damp cloth to clean those ornamental moldings. For very dirty ornamental moldings of which you are sure are chrome-plated, use a chrome cleaner. If in doubt whether an ornamental molding is chrome-plated, contact an authorized Mercedes-Benz Center.
Headlamps, brake lamps, tail lamps, side markers, turn signal lenses X Use a mild vehicle wash detergent, such as
Mercedes-Benz approved Car Shampoo, with plenty of water.
! Only use window cleaning solutions that
are suitable for plastic lamp lenses. Window cleaning solutions which are not suitable may damage the plastic lamp lenses of the headlamps. Therefore, do not use abrasives, solvents or cleaners that contain solvents.
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Version: 2.11.8.1Cleaning the driving systems sensors
Cleaning the rear view camera lens
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X Switch off the ignition. X Clean DISTRONIC PLUS/PRE-SAFE® Brake
system sensor cover : by hand.
To clean DISTRONIC PLUS/PRE-SAFE® Brake system sensor cover : and the bumper area near sensors ; observe the following: RUse a mild vehicle wash detergent, such as
Mercedes-Benz approved Car Shampoo, with plenty of water.
RUse a soft, non-scratching cloth. ! If you use a power washer to clean the
sensor covers, observe the following: RFollow the instructions provided by the
power washer manufacturer.
RMaintain a distance between the sensor
covers and the nozzle of the power washer.
X Only use clean water and a soft, non-
scratching cloth to clean rear view camera lens :.
Be careful not to apply wax to rear view camera lens : when waxing the vehicle. If necessary, remove the wax using the Mercedes-Benz approved Car Shampoo with plenty of water. ! Do not clean the camera and the area
around the camera Rwith a high-pressure cleaner Rwith a dry cloth and strong pressure Rwith aggressive cleaning agents You could otherwise damage the camera.
Cleaning the windshield in front of the Night View Assist Plus camera The Night View Assist Plus camera is located in front of the interior rear view mirror. G Warning! Please do not forget that your primary responsibility is to drive the vehicle. A driver’s attention to the road must always be his/her primary focus when driving. For your safety and the safety of others, stop before trying to remove window fogging or cleaning the window in front of the Night View Assist Plus camera. Bear in mind that at a speed of just 30 mph (approximately 50 km/h), your vehicle is
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covering a distance of 44 feet (approximately 14 m) every second.
