2011 Mercedes-benz R Class Owners Manual

Interchanging the wheels

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. G Warning! Have the tightening torque checked after changing a wheel. The wheels could come loose if they are not tightened to a torque of 110 lb-ft (150 Nm). Only use genuine Mercedes-Benz wheel bolts specified for your vehicle’s rims.

The wear patterns on the front and rear tires differ, depending on the operating conditions. Rotate the wheels before a clear wear pattern has formed on the tires. Front tires typically wear more on the shoulders and the rear tires in the center. If your vehicle's tire configuration allows, you can rotate the wheels according to the intervals in the tire manufacturer's warranty book in your vehicle documents. If no warranty book is available, the tires should be rotated every 3000 to 6000 miles (5000 to 10000 km), or earlier if tire wear requires. Do not change the direction of wheel rotation. Clean the contact surfaces of the wheel and the brake disc thoroughly every time a wheel is rotated. Check the tire pressures. Information on changing a wheel and mounting the spare wheel (Y page 301).

: Uniform Tire Quality Grading Standard

; DOT, Tire Identification Number

(Y page 340)

(Y page 339)

= Maximum tire load (Y page 334) ? Maximum tire pressure (Y page 330) A Manufacturer B Tire material (Y page 340) C Tire size designation, load-bearing

capacity and speed index (Y page 337)

D Load index (Y page 339) E Tire name i Tire data is vehicle-specific and may deviate from the data in the example.

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Tire size designation, load-bearing capacity and speed index

: Tire width ; Aspect ratio in percent = Tire code ? Rim diameter A Load bearing index B Speed index i Tire data is vehicle-specific and may deviate from the data in the example.

General: depending on the manufacturer's standards, the size imprinted in the tire wall may not contain any letters or may contain one letter that precedes the size description. If there is no letter preceding the size description (as shown above): passenger vehicle tires according to European manufacturing standards. If "P" precedes the size description: passenger vehicle tires according to U.S. manufacturing standards. If "LT" precedes the size description: light truck tires according to U.S. manufacturing standards. If "T" precedes the size description: compact emergency spare wheels at high tire pressure, only for temporary use in an emergency. Tire width: tire width : shows the nominal tire width in millimeters. Aspect ratio: aspect ratio ; is relationship between tire height and tire width and is specified in percent. The aspect ratio is

Tire labeling 337

calculated by dividing the tire width by the tire height. Tire code: tire code = specifies the tire type. "R" represents radial tires. "D" represents diagonal tires, "B" represents diagonal radial tires. Optionally, tires with a maximum speed of over 149 mph (240 km/h) may have "ZR" in the size description depending on the manufacturer (e.g. 245/40 ZR 18). Rim diameter: rim diameter ? is the diameter of the bead seat, not the diameter of the rim flange. The rim diameter is specified in inches (in). Load bearing index: load bearing index A is a numerical code that specifies the maximum load-bearing capacity of a tire. G Warning The tire load rating must always be at least half of the GAWR of your vehicle. Otherwise, sudden tire failure may be the result which could cause an accident and/or serious injury to you or others. Always replace rims and tires with rims and tires having the same specifications (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.

Example: The load bearing index 91 is equivalent to a maximum load of 1356 lbs (615 kg) that the tire can carry. For further information on the maximum tire load in kilograms and pounds, see (Y page 334).

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338 Tire labeling

For further information on the load bearing index, see load index (Y page 339). Speed index: speed index B specifies the approved maximum speed of the tire. 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 speed index always observe the speed limits. Drive carefully and adapt your driving style to the traffic conditions. Summer tires Index ZR...Y ZR...(..Y) ZR

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) above 186 mph (300 km/h) above 149 mph (240 km/h)

ROptionally, tires with a maximum speed of over 149 mph (240 km/h) may have "ZR" in the size description depending on the manufacturer (e.g. 245/40 ZR 18).

43 or M+Si for winter tires.

The service specifications consists of load bearing index A and speed index B.

RIf the size description of your tire includes

"ZR" and there are no service specifications, ask the tire manufacturer in order to find out the maximum speed. If a service specification is available, the maximum speed is limited according to the speed index in the service specification. Example: 245/40 ZR18 97 Y. In this example, "97Y" is the service specification. The letter "Y" represents the speed index and the maximum speed of the tire is limited to 186 mph (300 km/h).

REvery tire that has a maximum speed above 186 mph (300 km/h) must have "ZR" in the size description and the service specification must be given in brackets. Example: 275/40 ZR 18 (99 Y). The speed index "(Y)" shows that the maximum speed of the tire is above 186 mph (300 km/h). Ask the tire manufacturer to find out the maximum speed. All-weather tires and winter tires Index Q M+S43 up to 100 mph (160 km/h) up to 118 mph (190 km/h) T M+S43
H M+S43 up to 130 mph (210 km/h) up to 149 mph (240 km/h) V M+S43

Speed rating

i Not all tires that have the M+S

identification offer the driving characteristics of winter tires. Winter tires have, in addition to the M+S identification, the i snow flake symbol on the tire sidewall. Tires with this identification fulfill the requirements of the Rubber Manufacturers Association (RMA) and the Rubber Association of Canada (RAC) regarding the tire traction on snow and

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have been especially developed for driving on snow.

An electronic speed limiter prevents your vehicle from exceeding a speed of 130 mph (210 km/h). The speed index of tires installed at the factory may be higher than the maximum speed that the electronic speed limiter permits. Make sure that your tires have the required speed index as specified in the "Tires" section (Y page 343) for your vehicle, e.g. when buying new tires. More information on reading the tire data can be obtained at any qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center.

Load identification

i Tire data is vehicle-specific and may deviate from the data in the example.

In addition to the load bearing index, load index : may be imprinted after the letters that identify speed index B (Y page 337) on the sidewall of the tire. RIf no specification is given: no text (as in the

example above), represents a standard load (SL) tire

RXL or Extra Load: represents a reinforced

tire

Tire labeling 339

RLight load: represents a light load tire RC, D, E: represents a load range that

depends on the maximum load that the tire can carry at a certain pressure

DOT, Tire Identification Number (TIN) U.S. tire regulations prescribe that every new tire manufacturer or retreader has to imprint a TIN in or on the sidewall of each tire produced.

The TIN is a unique identification number. The TIN enables the tire manufacturers to inform purchasers of recalls and other safety- relevant matters. It makes it possible for the purchaser to easily identify the affected tires. The TIN is made up of manufacturer identification code ;, tire size =, tire type code ? and date of manufacture A. i Tire data is vehicle-specific and may deviate from the data in the example.

DOT (Department of Transportation): tire symbol : marks that the tire complies with the requirements of the U.S. Department of Transportation. Manufacturer identification code: manufacturer identification code ; provides details on the tire manufacturer. New tires have a code with two symbols. Retreaded tires have a code with four symbols. Further information about retreaded tires (Y page 320). Tire size: identifier = describes the tire size.

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340 Definitions for tires and loading

Tire type code: tire type code ? can be used by the manufacturer as a code to describe specific characteristics of the tire. Date of manufacture: date of manufacture A provides information about the age of a tire. The first and second positions represent the week of manufacture, starting with "01" for the first calendar week. Positions three and four represent the year of manufacture. For example, a tire that is marked with "3208", was manufactured in week 32 in 2008.

Characteristics of the tire

i Tire data is vehicle-specific and may deviate from the data in the example.

This information describes the tire cord and the number of layers in sidewall : and under tire tread ;.

Definitions for tires and loading Structure and condition of the tire Describes the number of layers or the number of rubber-coated belts in the tire tread and the tire wall. These are made of steel, nylon, polyester and other materials.

Bar Metric unit for tire pressure. 14.5038 pounds per square inch (psi) and 100 kilopascals (kPa) are the equivalent of 1 bar.

DOT (Department of Transportation) DOT marked tires fulfill the requirements of the United States Department of Transportation.

Average weight of the vehicle occupants The number of occupants for which the vehicle is designed multiplied by 68 kilograms (150 lb).

Uniform Tire Quality Grading Standards A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. The quality grading assessment is made by the manufacturer following specifications from the U.S. government. The quality grade of a tire is imprinted on the sidewall of the tire.

Recommended tire pressure The recommended tire pressure for your vehicle under normal driving conditions. You will find the recommendation on the Tire and Loading Information placard on the B-pillar on the driver's side of your vehicle. The recommended tire pressure provides the best balance between handling characteristics, ride comfort and wear. Additional information on particular driving conditions is located on the tire pressure table on the inside of the fuel filler flap.

Increased vehicle weight due to optional equipment The combined weight of all standard and optional equipment available for the vehicle, regardless of whether it is actually installed on the vehicle or not.

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Wheel rim The part of the wheel on which the tire is mounted.

GAWR (Gross Axle Weight Rating) The GAWR is the maximum gross axle weight rating. The actual load on an axle must never exceed the gross axle weight rating. The gross axle weight rating can be found on the vehicle identification plate on the B-pillar on the driver's side.

Speed index The speed index is part of the tire identification. Specifies the speed range for which the tire is approved.

GTW (Gross Trailer Weight) The GTW is the weight of a trailer including the weight of the load, luggage, accessories etc. on the trailer.

GVW (Gross Vehicle Weight) The gross vehicle weight includes the weight of the vehicle including fuel, tools, the spare wheel, accessories installed, occupants, luggage and the drawbar noseweight if applicable. The gross vehicle weight must not exceed the gross vehicle weight rating GVWR as specified on the vehicle identification plate on the B-pillar on the driver's side.

GVWR (Gross Vehicle Weight Rating) The GVWR is the maximum permissible gross weight of a fully loaded vehicle (the weight of the vehicle including all accessories, occupants, fuel, luggage and the drawbar noseweight if applicable). The gross vehicle weight rating is specified on the vehicle

Definitions for tires and loading 341

identification plate on the B-pillar on the driver's side.

Maximum weight of the laden vehicle The maximum weight is the sum of the unladen weight of the vehicle, the weight of the accessories, the maximum load and the weight of the optional equipment installed at the factory.

Kilopascal (kPa) Metric unit for tire pressure. 6.9 kPa is the equivalent of 1 psi. Another unit for tire pressure is bar. 100 kilopascal (kPa) is the equivalent of 1 bar.

Load index In addition to the load bearing index, the load index may also be imprinted on the sidewall of the tire. This specifies the load bearing capacity more precisely.

Unladen weight The weight of a vehicle with standard equipment including the maximum capacity of fuel, oil and coolant. It also includes the air- conditioning system and optional equipment if these are installed on the vehicle, but does not include passengers or luggage.

Maximum tire load The maximum tire load in kilograms or pounds is the maximum weight for which a tire is approved.

Maximum permissible tire pressure Maximum permissible tire pressure for one tire.

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342 Definitions for tires and loading

Maximum load on one tire Maximum load on one tire. This is calculated by dividing the maximum axle load of one axle by two.

PSI (pounds per square inch) Standard unit of measurement for tire pressure.

Aspect ratio Relationship between tire height and tire width in percent.

Tire pressure Pressure inside the tire applying an outward force to every square inch of the tire's surface. The tire pressure is specified in pounds per square inch (psi), in kilopascal (kPa) or in bar. The tire pressure should only be corrected when the tires are cold. For this, the vehicle must have been stationary for at least three hours or not have traveled more than 1.6 km (1 mile) in this time.

Tire tread The part of the tire that comes into contact with the road.

Tire bead The tire bead contains steel wire which is bound by steel cords that hold the tire on the wheel rim.

Sidewall The part of the tire between the tread and the tire bead.

Weight of optional extras The combined weight of those optional extras that weigh more than the replaced standard part and more than 2.3 kilograms (5 lbs). These optional extras, such as high- performance brakes, level control, a roof rack or a high-performance battery, are not included in the unladen weight and the weight of the accessories.

TIN (Tire Identification Number) A unique identification number which can be used by a tire manufacturer to identify tires, for example for a product recall, and thus identify the purchasers. The TIN is made up of the manufacturer's identity code, tire size, tire type code and the manufacturing date.

Load bearing index The load bearing index (also load index) is a code that contains the maximum load bearing capacity of a tire.

Traction Traction is the result of friction between the tires and the road surface.

TWR (permissible trailer drawbar noseweight) The TWR is the maximum permissible weight that the ball coupling of the trailer tow hitch can support.

Wear indicator Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached.

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Wheel/tire combinations

343

Distribution of the vehicle occupants Distribution of vehicle occupants over designated seat positions in a vehicle.

Maximum permissible payload weight Nominal load and luggage load plus 68 kilograms (150 lb) multiplied by the number of seats in the vehicle.

Wheel/tire combinations Points to remember G Warning Observe the "Important safety information" (Y page 320).

! For safety reasons, Mercedes-Benz recommends that you only use tires, wheels and accessories which have been approved by Mercedes-Benz specifically for your vehicle. These tires have been specially adapted for use with the control systems, such as ABS or ESP®, and are marked as follows: RMO = Mercedes-Benz Original RMOE = Mercedes-Benz Original Extended

(tires with run-flat characteristics)

RMO1 = Mercedes-Benz Original (AMG) Only use Mercedes-Benz Original Extended tires on wheels that have been specifically approved by Mercedes-Benz. If you use other tires, wheels and accessories, Mercedes-Benz cannot accept any responsibility for damage that may result from this. Further information about tires, wheels and approved combinations can be obtained from any authorized Mercedes-Benz Center.

! If you mount tires other than those tested

and recommended by Mercedes-Benz, characteristics such as handling, noise levels and fuel consumption, etc. may be

adversely affected. In addition, when driving with a load, tire dimensional variations could cause the tires to come into contact with the bodywork and axle components. This could result in damage to the tires or the vehicle.

i Further information about tires and

wheels can be obtained from any authorized Mercedes-Benz Center.

i The Tire and Load Information placard with the recommended tire pressures is attached to the B-pillar on the driver's side. Further information about driving at high speeds or driving with vehicle loads that are lighter than the maximum vehicle load can be found in the tire pressure table on the inside of the fuel filler flap. Check tire pressures regularly, and only when the tires are cold. Comply with the maintenance recommendations of the tire manufacturer in the vehicle document wallet.

Further information on the recommended tire inflation pressure and on tire pressures for specific driving conditions, see (Y page 322). i Notes on the vehicle equipment:

Ralways mount tires of the same size on a

given axle (left/right).

Ralways mount the same type of tires on

your vehicle at a given time (summer tires, winter tires, MOExtended tires).

i Vehicles featuring the MOExtended run- flat system are not equipped with a TIREFIT kit. It is therefore recommended that you additionally equip your vehicle with the TIREFIT kit if you mount tires that do not feature run-flat properties, e.g. winter tires. A TIREFIT kit is available from any qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

i The following pages contain information on approved wheel rims and tire sizes for equipping your vehicle with winter tires. Winter tires are not available at the factory

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344 Wheel/tire combinations

as standard equipment or as an optional extra. If you want to equip your vehicle with approved winter tires, it may be necessary to obtain wheel rims in the corresponding size, as the size of the approved winter tires may differ from the standard tires. This is dependent on the model and the equipment installed at the factory. Tires, wheel rims and further information can be obtained at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center.

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345

Tires of the same dimensions i BA: Both axles

R18 BA Alloy wheels

Offset Winter tires44

R19 BA Alloy wheels

Offset All-weather tires Winter tires44

R19 BA Alloy wheels

Offset All-weather tires47
Winter tires44, 47

R19 BA AMG alloy wheels

Offset All-weather tires Winter tires44

R 350
8 J x 18 H2
2.64 in (67 mm) 255/50 R18 105 H M+Si

R 350
R 350 BlueTEC45
8 J x 19 H2
2.64 in (67 mm) 255/50 R19 107 H XL M+S 255/50 R19 107 H XL M+Si

R 350
R 350 BlueTEC46
8 J x 19 H2
2.64 in (67 mm) 255/50 R19 107 H XL M+S MOExtended 255/50 R19 107 H XL M+Si MOExtended

R 350
8.5 J x 19 H2
2.52 in (64 mm) 255/50 R19 107 H XL M+S 255/50 R19 107 H XL M+Si

44 Not available as standard equipment or optional equipment at the factory. 45 Canada only. 46 USA only. 47 Tires with run-flat characteristics must only be used in conjunction with an activated tire pressure loss

warning system or TPMS.

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346 Wheel/tire combinations

R20 BA Alloy wheels

Offset AMG alloy wheels Offset All-weather tires48
Winter tires44, 48

R 350
8.5 J x 20 H2
2.36 in (60 mm) 8.5 J x 20 H2
2.36 in (60 mm) 265/45 R20 108 H XL M+S 265/45 R20 108 H XL M+Si

Spare tire i Vehicles with MOExtended tires (tires with run-flat characteristics) are not equipped with

TIREFIT at the factory.

i The R 350 BlueTEC is not equipped with an emergency spare wheel. i The prescribed tire pressure is also given on a yellow label on the emergency spare wheel.

Collapsible emergency spare wheel49
R 350
6.5 B x 18 H2
1.58 in (40 mm) 195/75-18 106 P 300 kPa (3.0 bar/44 psi)

R18 Wheels Offset Tires Tire pressure

48 Use of snow chains not permitted. 44 Not available as standard equipment or optional equipment at the factory. 49 Use of snow chains not permitted.

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Vehicle equipment ............................ 348
Genuine Mercedes-Benz parts ......... 348
Warranty ............................................ 348
Vehicle identification plates ............ 349
Service products and capacities ..... 350
Vehicle data ...................................... 357

347

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genuine Mercedes-Benz parts. You will find these numbers on your vehicle's identification plates, for example (Y page 349).

Warranty

Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective parts originally installed in the vehicle in accordance with the terms of the following warranties: RNew Vehicle Limited Warranty REmission System Warranty REmission Performance Warranty RCalifornia, Connecticut, Maine,

Massachusetts, New York, Pennsylvania, Rhode Island and Vermont Emission Control Systems Warranty50

RState Warranty Enforcement Laws ("Lemon

Laws")

Replacement parts and accessories are subject to the Mercedes-Benz Replacement Part and Accessory Warranties. You can obtain these at any Mercedes-Benz Center. i Should you lose your Service and

Warranty Information booklet, have an authorized Mercedes-Benz Center arrange for a replacement. It will be mailed to you.

348 Warranty

Vehicle equipment

i This manual describes all the standard and optional equipment of your vehicle which was available at the time of purchase. Country-specific differences are possible. Bear in mind that your vehicle may not feature all functions described here. This also refers to safety-related systems and functions.

Genuine Mercedes-Benz parts

All Mercedes-Benz Centers maintain a supply of genuine Mercedes-Benz parts for necessary service and repair work. In addition, strategically located parts delivery centers provide for quick and reliable parts service. More than 300,000 different parts are available for Mercedes-Benz models. Genuine Mercedes-Benz parts are subjected to stringent quality inspections. Every part has been specifically developed, manufactured or selected for and adapted to Mercedes-Benz vehicles. Only genuine Mercedes-Benz parts should therefore be used. ! The use of non-approved parts could

impair the vehicle's safety. For this reason, Mercedes-Benz recommends genuine Mercedes-Benz parts and approved conversion parts and accessories for your vehicle model. H Environmental note Daimler AG also supplies reconditioned major assemblies and parts which are of the same quality as new parts. They are covered by the same Limited Warranty entitlements as new parts.

Always specify the vehicle identification number and engine number when ordering

50 Only vehicles with a gasoline engine.

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349

Vehicle identification plates Vehicle identification plate with vehicle identification number (VIN) and paint code number

i The data on the type plate is only an

example. This data is vehicle-specific and can differ from the data given here. The data that applies to your vehicle can be found on your vehicle's type plate.

Vehicle identification number (VIN) The vehicle identification number (VIN) can be found in the following locations: Ron the vehicle identification plate

Ron the lower edge of the windshield

(Y page 349)

(Y page 350)

In addition to being stamped on the vehicle identification plate, the vehicle identification number (VIN) is also stamped onto the vehicle body. It is located on the floor in front of the right- hand seat in the second row of seats.

X Open the driver's door.

You see vehicle identification plate :.

Example: vehicle identification plate (USA only) ; Paint code number = VIN

X Slide the right-hand seat of the second row

to its rearmost position.

X Fold floor covering = upwards.

You will see vehicle identification number (VIN) ;.

Example: vehicle identification plate (Canada only) ; Paint code number = VIN

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fluids. Otherwise, you could endanger persons or the environment. Keep service fluids out of the reach of children. For health reasons, you should prevent service fluids from coming into direct contact with your skin or clothing. If a service fluid is swallowed, contact a physician immediately.

350 Service products and capacities

Engine number

: Emissions control information label,

including the certification of both federal and Californian emissions reference values

; Engine number (stamped into the

crankcase)

= VIN (on the lower edge of the windshield)

Service products and capacities Important safety guidelines Service products include the following: Rfuels (e.g. gasoline, diesel) Radditives for exhaust gas aftertreatment

(AdBlue®)

Rlubricants (e.g. engine oil, transmission oil) Rcoolant Rbrake fluid Rwindshield washer fluid Vehicle components and their respective lubricants must match. You should therefore only use products that have been tested and approved by Mercedes-Benz. Information on tested and approved products can be obtained at an authorized Mercedes- Benz Center or on the Internet at http:// www.mbusa.com (USA only). G Warning Comply with all valid regulations with respect to handling, storing and disposing of service

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Capacities

Vehicle model

Capacity

Engine oil and filter

Power steering

R 350 BlueTEC R 350
All models

9.0 US qt (8.5 l) 8.5 US qt (8.0 l) Approx. 1.3 US qt (1.2 l)

Fuel, coolant, lubricants etc. Approved engine oils

MB Power Steering Fluid or approved Dexron III ATF

Cooling system All models

Approx. 10.0 US qt (9.5 l) MB 325.0

Tank capacity Reserve

All models All models

21.1 US gal (80.0 l) Approx. 3.4 US gal (13.0 l)

AdBlue® tank

R 350 BlueTEC

7.5 US gal (28.2 l)

All models

—

All models

7.4 US qt (7.0 l)

Air- conditioning system

Windshield/ headlamp cleaning system

Anticorrosion/ Antifreeze Gasoline engines: premium-grade unleaded gasoline (at least 91 octane, average value between 96 RON/ 86 MON) Diesel engines: ULTRA-LOW SULFUR DIESEL FUEL (ULSD, maximum sulfur content 15 ppm) AdBlue® as per ISO 22241
Refrigerant R134a and special PAG lubricant (never R 12) MB washer fluid concentrate51
(Y page 357) Mixing ratio for screen wash (Y page 357)

51 Mixed with water or premixed washer fluid with antifreeze protection.

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352 Service products and capacities

Fuel Important safety notes G Warning! Fuel is highly flammable. Fire, naked flames and smoking are therefore prohibited when handling fuels. Switch off the engine and the auxiliary heating before refueling. G Warning! Gasoline and diesel fuels are highly flammable and poisonous. They burn violently and can cause serious injury. Never allow sparks, flames or smoking materials near gasoline or diesel fuel! Turn off the engine before refueling. Whenever you are around gasoline or diesel fuel, avoid inhaling fumes and any skin or clothing contact. Extinguish all smoking materials. Direct skin contact with fuels and the inhalation of fuel vapors are damaging your health.

Premium-grade unleaded gasoline ! To ensure the longevity and full

performance of the engine, only premium- grade unleaded gasoline must be used. If premium-grade unleaded gasoline is unavailable and regular gasoline is used, observe the following precautions: Ronly fill the fuel tank to half full with

regular unleaded gasoline and add the rest as soon as possible with premium- grade unleaded gasoline.

Rdo not drive at the maximum speed. Ravoid sudden acceleration. Rwhen the vehicle is carrying a light cargo, e.g. two passengers without luggage, do not allow the engine to rev above 3000 rpm.

Rwhen the vehicle is fully loaded or being operated in mountainous terrain, do not

depress the accelerator pedal further than 2/3 of the pedal travel.

Fuel requirements Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Research Octane Number (RON) and Motor Octane Number (MON): (RON + MON) / 2, also known as knock resistance. Reformulated Gasoline (RFG) and/or unleaded gasoline with additives can be used if the concentration of the additives in the fuel does not exceed 10%, e.g.: REthanol RTAME RETBE RIPA RTBA For MTBE, the concentration should not exceed 15%. The concentration of methanol in gasoline including other additives must not exceed 3%. Using mixtures of methanol and ethanol is not permitted. Gasohol, a mixture of 10% ethanol and 90% unleaded gasoline can be used. All of these mix fuels must fulfill the fuel requirements, e.g.: Rknock resistance Rboiling point Rvapor pressure Diesel engines – important safety information ! Only use commercially available ULTRA- LOW SULFUR DIESEL FUEL (ULSD, 15 ppm MAXIMUM SULFUR) that meets the ASTM D975 standard. Failure to use ULTRA-LOW SULFUR DIESEL FUEL (ULSD) can severely damage the vehicle's exhaust gas aftertreatment system.

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! Do not fill the tank with gasoline. Do not blend diesel fuel with gasoline or kerosene. Otherwise, the fuel system and the engine will be damaged. Damage resulting from the use of gasoline or kerosene is not covered by the Mercedes-Benz Limited Warranty.

To prevent malfunctions, diesel fuel with improved flow characteristics is available in the winter months. Check with your fuel retailer. Information on the fuel grade can usually be found on the gas pump. If the information cannot be found on the gas pump, ask service station personnel. For further information, contact an authorized Mercedes-Benz Center or visit http://www.mbusa.com (USA only). Diesel engines – fuels with biodiesel (FAME [fatty acid methyl ester]) Mercedes-Benz USA approves the use of B5
(ULSD with a maximum of up to 5 percent by volume biodiesel) for all diesel engines with common rail direct injection (CDI) and BlueTEC. Pure biodiesel and diesel fuels containing a higher percentage of biodiesel, e.g. B20, may cause damage to the fuel system or engine and are therefore not approved. Please ask the service station personnel for further information. The label on the gas pump must indicate clearly that the B5
biodiesel blend meets the ULSD standard. If the label is not clear, do not refuel the vehicle. The Mercedes-Benz Limited Warranty does not cover damages caused by the use of fuels which do meet Mercedes-Benz approved fuel standards.

Additives in gasoline One of the major problems in engine design is the creation of carbon deposits during the process of burning fuel. Mercedes-Benz recommends that you use fuel brands that

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353

have the additives which prevent the build up of carbon deposits. If you use fuels without these additives for a longer period of time, there may be a build up of carbon deposits, especially on the inlet valves and in the combustion chamber. This could lead to engine running problems, e.g.: Rwarm-up hesitation Runstable idle Rknocking/pinging Rmisfire Rpower loss In areas where carbon deposits may be encountered due to lack of availability of gasoline which contains these additives, Mercedes-Benz recommends the use of additives approved for use in Mercedes-Benz vehicles. Contact an authorized Mercedes-Benz Center or visit http://www.mbusa.com (USA only) for a list of approved products. Observe the instructions for use on the product label. Do not mix other fuel additives with fuel. This causes unnecessary costs and could damage the engine. ! Do not refuel with low-grade fuel and do not use fuel additives that are not tested and approved for Mercedes-Benz vehicles. Serious damage or malfunctions can result that are not covered: Rby the Mercedes-Benz Limited Warranty Rby an existing Limited Warranty Rby an extended Limited Warranty

AdBlue® Important safety notes i For BlueTEC vehicles only. AdBlue® is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid.

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354 Service products and capacities

! Only use AdBlue® that complies with

ISO 22241. Do not add any special additives to AdBlue® and do not thin AdBlue® with water. This could destroy the BlueTEC exhaust gas aftertreatment. ! Rinse surfaces that have come into

contact with AdBlue® immediately with water or remove AdBlue® using a damp cloth and cold water. If the AdBlue® has already crystallized, use a sponge and cold water to clean it. AdBlue® residues crystallize after time and contaminate the affected surfaces.

High outside temperatures If AdBlue® is heated to above 122 ‡ (50 †) for an extended period of time, e.g. due to direct sunlight on the AdBlue® tank, AdBlue® may start to decompose. Ammonia vapors develop as a result. G Warning! When opening the filler cap of the AdBlue® tank ammonia gas vapors may escape. Refill AdBlue® in a well ventilated area only. Ammonia gas vapors have a pungent odor and are particularly irritating for your skin, mucous membranes, and eyes. Inhaling ammonia gas vapors will cause burning eyes, nose, and throat, as well as coughing and watering eyes.

Low outside temperatures AdBlue® freezes at a temperature of approximately 12 ‡ (-11 †). The vehicle is equipped with an AdBlue® preheating system at the factory. Winter operation can thus be guaranteed even at temperatures below 12 ‡ (-11 †).

Additives ! Use only AdBlue® complying with ISO

22241. Do not use any additives with AdBlue® and do not thin AdBlue® with

water. This may destroy the BlueTEC exhaust gas aftertreatment system. Damage resulting from the use of additives or water is not covered by the Mercedes- Benz Limited Warranty.

Purity Assuring the purity of AdBlue® is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If AdBlue® is pumped out of the AdBlue® tank, e.g. during repair work, it must not be returned to the tank. The purity of the fluid can no longer be guaranteed. ! Impurities in AdBlue®, e.g. due to other service products, cleaning agents or dust, lead to increased emission values, system malfunctions, catalytic converter damage or damage to the BlueTEC system.

Engine oil Points to remember The engine oils are matched to the performance of our engines and service intervals. For this reason, only use engine oils and oil filters that are approved for vehicles with a service system. Contact an authorized Mercedes-Benz Center or visit http://www.mbusa.com (USA only) for a list of approved engine oils and oil filters. ! Never use engine oil or an oil filter of a specification other than is necessary to fulfill the prescribed service intervals. Do not change the engine oil or oil filter in order to achieve longer replacement intervals than those prescribed. Otherwise, you may cause damage to the engine or exhaust gas aftertreatment; this is not covered by the Mercedes-Benz Limited Warranty. Follow the instructions in the service interval display regarding the oil change.

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Otherwise, you may damage the engine and the exhaust gas aftertreatment.

Mercedes-Benz recommends MOBIL OIL. The table shows which engines oil have been approved for your vehicle. Model

Engine model 642
272

MB Approval 229.51
229.5

R 350 BlueTEC R 350

i MB Approval is stated on the containers.

Lubricant additives ! Do not mix any lubricant additives with

the engine oil. This could damage the engine. Damage resulting from the use of such lubricant additives in the engine oil is not covered by the Mercedes-Benz Limited Warranty.

Engine oil viscosity Viscosity describes the flow characteristics of a fluid. If an engine oil has a high viscosity, this means that it is thick; a low viscosity means that it is thin. Select the SAE classification (viscosity) of the engine oil according to the outside temperature. The following table shows you the viscosity classes to be used depending on the average air temperature.

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Refrigerant of the air-conditioning system The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. ! Never use refrigerant R 12 (CFC) or

mineral lubricants. Otherwise, you could damage the air-conditioning system.

Brake fluid G Warning! The brake fluid constantly absorbs moisture from the air; this lowers its boiling point. If the boiling point of the brake fluid is too low, vapor pockets may form in the brake system when the brakes are applied hard (e.g. when driving downhill). This would impair braking efficiency. You should have the brake fluid renewed at regular intervals. The brake fluid change intervals can be found in the Service Booklet.

Only use brake fluid approved by Mercedes- Benz. Information about approved brake fluids can be obtained from any authorized Mercedes-Benz Center.

Coolant Important safety notes The coolant is a mixture of water and anticorrosion/antifreeze. It performs the following tasks: Ranti-corrosion protection Rantifreeze protection Rraising the boiling point The cooling system is filled with coolant at the factory which contains antifreeze/corrosion inhibitor that ensures protection down to approximately -35 ‡ (-37 †). ! Only use premixed coolant solutions.

Adding water and MB 325.0 Anticorrosion/

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The water in the cooling system must meet minimum requirements, which are usually satisfied by normal drinking water. If you are unsure about the water quality, contact an authorized Mercedes-Benz Center.

Antifreeze separately from each other, could cause engine damage not covered by the Mercedes-Benz Limited Warranty.

! Always use a suitable coolant mixture,

even in countries where high temperatures prevail. Otherwise, the cooling system will not be sufficiently protected from corrosion, and the boiling point will be too low.

If the coolant has antifreeze protection down to -35 ‡ (-37 †), the boiling point of the coolant in the pressurized system is approximately 266 ‡ (130 †). The coolant must be used throughout the year in order to maintain the necessary corrosion protection and provide protection from overheating. In the Service Booklet, you can find information on the intervals for renewal. The renewal interval is determined by the coolant type and the cooling system design. The renewal interval in the Service Booklet is only valid if the coolant is added or renewed with Mercedes-Benz approved products. Therefore, only use MB 325.0 Anticorrosion/ Antifreeze or another Mercedes-Benz approved product of the same specification. Information on other Mercedes-Benz approved products of the same specification can be obtained at any authorized Mercedes- Benz Center or on the Internet at http://www.mbusa.com (USA only). The anticorrosion/antifreeze concentration in the cooling system should: Rbe at least 50%. This will protect the cooling

system against freezing down to around -35 ‡ (-37 †).

Rnot exceed 55% (antifreeze protection

down to -49 ‡ [-45 †]); otherwise, heat will not be dissipated as effectively.

If the coolant level is too low, a mixture of water and MB 325.0 Anticorrosion/ Antifreeze should be added. Have the cooling system checked for leaks. Please make sure the mixture is in accordance with label instructions.

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Anticorrosion/antifreeze Your vehicle has a number of aluminum components. The use of aluminum components in motor vehicle engines necessitates that anticorrosion/antifreeze coolant used in such engines be specifically formulated to protect the aluminum parts. Failure to use such anticorrosion/antifreeze coolant will result in a significantly shortened service life. For this reason, the following product is expressly recommended for use in your vehicle: MB 325.0 Anticorrosion/Antifreeze. The coolant concentration should be checked before the onset of winter or once a year in warmer regions. The coolant is checked at every service at an authorized Mercedes-Benz Center.

Model

Cooling system

All models

Windshield and headlamp cleaning system G Warning Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/ antifreeze on hot engine parts, because it may ignite and burn. You could be seriously burned.

X Use MB Windshield Washer Concentrate

MB SummerFit.

X At temperatures above freezing: add 1
part MB SummerFit to 100 parts water, e.g. 1.34 fl oz (40 ml) MB SummerFit to 1 gal (4.0 l) of water.

X At temperatures below freezing: add 1
part MB SummerFit to 100 parts washer fluid, e.g. 1.34 fl oz (40 ml) MB SummerFit to 1 gal (4.0 l) of water.

Antifreeze protection to approximately -35 ‡ (-37 †) 5.0 US qt (4.75 l)

-49 ‡ (-45 †) 5.5 US qt (5.2 l)

Vehicle data Vehicle data, R 350 BlueTEC (251.125) The data quoted here refers specifically to a vehicle with standard equipment. Contact an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. Vehicle dimensions, R 350 BlueTEC 203.3 in (5163 mm) 85.9 in (2182 mm)

Vehicle length Vehicle width including exterior mirrors Vehicle height 65.6 in (1666 mm)52
Wheelbase 126.6 in (3215 mm) Front track 64.5 in (1638 mm) Rear track 64.4 in (1636 mm) Ground clearance 5.9 in (150 mm)52
Turning circle

41.3 ft (12.6 m)

52 The values apply to an unladen vehicle with standard equipment. On vehicles with the AIRMATIC package,

the values vary depending on the level set for the vehicle suspension.

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358 Vehicle data

Vehicle weight, R 350 BlueTEC Maximum 220 lb (100 kg)

Maximum roof load

Vehicle data, R 350 (251.165) The data quoted here refers specifically to a vehicle with standard equipment. Contact an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels.

Vehicle dimensions, R 350

203.3 in (5163 mm) 85.9 in (2182 mm)

Vehicle length Vehicle width including exterior mirrors Vehicle height 65.5 in (1663 mm)53
Wheelbase 126.6 in (3215 mm) Front track 64.5 in (1638 mm) Rear track 64.4 in (1636 mm) Ground clearance 6.0 in (152 mm)53
Turning circle

41.3 ft (12.6 m)

Vehicle weight, R 350

Maximum roof load

Maximum 220 lb (100 kg)

53 The values apply to an unladen vehicle with standard equipment. On vehicles with the AIRMATIC package,

the values vary depending on the level set for the vehicle suspension.

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Publication details Internet

Further information about Mercedes-Benz vehicles and about Daimler AG can be found on the following websites: http://www.mbusa.com (USA only) http://www.mercedes-benz.ca (Canada only)

Editorial office

Not to be reprinted, translated or otherwise reproduced, in whole or in part, without the written permission of Daimler AG.

As at 08.02.2010

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É2515844082fËÍ 2515844082

Order no. 6515 1839 13 Part no. 251 584 40 82 Edition A 2011