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if necessary. Keep children away.
Follow the instructions in this Operator’s Manual.
A battery contains materials that can harm the environment if disposed of improperly. A large 12 V storage battery contains lead.
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Version: 2.11.8.1Recycling of the battery is the preferred method of disposal. Many states (USA only) or provinces (Canada only) require sellers of batteries to accept the old battery for recycling. G Warning! Failure to follow these instructions can result in severe injury or death. Never lean over batteries while connecting. You might get injured. Battery fluid contains sulfuric acid. Do not allow this fluid to come in contact with eyes, skin or clothing. In case it does, immediately flush affected area with water and seek medical help if necessary. A battery will also produce hydrogen gas, which is flammable and explosive. Keep flames or sparks away from battery, avoid improper connection of jumper cables, smoking etc. G Warning! Do not place metal objects on the battery as this could result in a short circuit. Use leak-proof batteries only to avoid the risk of acid burns in the event of an accident. Take care that you do not become statically charged, e.g. by wearing synthetic clothing or rubbing against textiles. For this reason, you also should not pull or push the battery over carpets or other synthetic materials. Never touch the battery first. First touch the outside body of the vehicle in order to release any possible electrostatic charges. Do not rub the battery with rags or cloths. The battery could explode if touched due to electrostatic charge or due to spark formation.
! The battery is a Valve-Regulated Lead Acid (VRLA) battery, also referred to as “fleece” battery. Such batteries do not require topping-up of the electrolyte level. VRLA batteries therefore do not have cell caps and the
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Version: 2.11.8.1battery cover is non-removable. Do not attempt to open the battery as otherwise the battery will be damaged. VRLA batteries do not require topping-up of the electrolyte level. They cannot be opened to check the electrolyte level. However, the battery condition must be checked periodically by performing a battery conductance test. Refer to Maintenance Booklet for battery condition testing intervals. The factory-equipped battery may only be replaced with a battery that Rhas the same security features Ris of identical size Ris of identical voltage Ris of identical capacity
! As any other battery, the battery may
discharge if you do not operate the vehicle for an extended period of time. Have the battery disconnected at a qualified workshop or an authorized Mercedes-Benz Center in such a case. You may also connect an accessory battery charge unit expressly approved by Mercedes-Benz for your vehicle model to maintain the battery charge. Contact an authorized Mercedes- Benz Center for further information. The battery, the battery ventilation hose and the lateral plug must always be securely installed when the vehicle is in operation.
! Never loosen or detach battery terminal clamps while the engine is running or the SmartKey is in the starter switch or KEYLESS-GO button is in position 1. Otherwise the alternator and other electronic components could be severely damaged. Have the battery checked regularly at an authorized Mercedes-Benz Center. Refer to Maintenance Booklet for maintenance intervals or contact an
Battery
335
authorized Mercedes-Benz Center for further information.
i After battery power was interrupted, do
the following: RSet the clock (Y page 133).
Vehicles with COMAND system with navigation module: Time and date are set automatically.
RSynchronize the door windows
(Y page 107).
RSynchronize the power tilt/sliding
sunroof (Y page 183).
RSynchronize the power tilt/sliding panel
(Y page 186).
RSynchronize the exterior rear view
mirrors (Y page 96).
Charging the battery G Warning! Never charge a battery while still installed in the vehicle unless the accessory battery charge unit approved by Mercedes-Benz is being used. Gases may escape during charging and could cause an explosion that may result in personal injury, paint damage or corrosion. An accessory battery charge unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available. It permits the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Center for information and availability. Charge battery in accordance with the separate instructions for the accessory battery charger. Have the battery charged at an authorized Mercedes-Benz Center. If you charge the battery yourself, follow the operating instructions for your charging device.
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336
Jump starting
Only use a battery charge unit with a maximum charging voltage of 14.8 V. X Charge battery in accordance with the
instructions of the battery charger manufacturer.
Jump starting
G Warning! Failure to follow these directions will cause damage to the electronic components, and can lead to a battery explosion and severe injury or death. Never lean over batteries while connecting or jump starting. You might get injured. Battery fluid contains sulfuric acid. Do not allow this fluid to come in contact with eyes, skin or clothing. In case it does, immediately flush affected area with water, and seek medical help if necessary. A battery will also produce hydrogen gas, which is flammable and explosive. Keep flames or sparks away from battery, avoid improper connection of jumper cables, smoking, etc. Attempting to jump start a frozen battery can result in it exploding, causing personal injury. Read all instructions before proceeding.
! Do not tow-start the vehicle. You could
otherwise seriously damage the automatic transmission which is not covered by the Mercedes-Benz Limited Warranty.
! Jump starting should only be performed using the jump-start terminals located in the engine compartment. Avoid repeated and lengthy starting attempts. Do not attempt to start the engine using a battery quick-charge unit.
17 Vehicles with gasoline engine only. 18 Vehicles with gasoline engine only.
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Version: 2.11.8.1If the engine does not run after several unsuccessful starting attempts, have it checked at the nearest authorized Mercedes-Benz Center. Excessive unburned fuel generated by repeated failed starting attempts may damage the catalytic converter17 and may present a fire risk. Make sure the jumper cables do not have loose or missing insulation. Make sure the cable clamps do not touch any other metal part while the other end is still attached to a battery.
If the battery is discharged, the engine can be started with jumper cables and the fully charged battery of another vehicle or an equivalent starter pack. Observe the following: RAccess to the battery is not possible on all vehicles. If you cannot access the battery of the other vehicle, provide jump start power by an external battery or starter pack.
RJump starting should only be performed
when the engine and catalytic converter18
are cold.RDo not start the engine if the battery is
frozen. Let the battery thaw out first.
ROnly jump start from batteries with the
same voltage rating (12 V). Jump starting with a more powerful battery could damage the vehicle’s electrical system. Such damage will not be covered by the Mercedes-Benz Limited Warranty.
ROnly use jumper cables with sufficient
cross-section and insulated terminal clamps.
RAlways make sure the jumper cables are not on or near pulleys, fans or other parts
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Version: 2.11.8.1Jump starting 337
that move when an engine is started or running.
RShould the battery be drained completely, let the donating power source charge the vehicle for several minutes before reattempting the starting process.
The jump-start contacts are located in the engine compartment on the passenger side.
X Make sure the two vehicles do not touch. X Switch off all electrical consumers. X Engage the parking brake. X Make sure the automatic transmission is in
park position P.
X Open the hood (Y page 222).
a jumper cable. Clamp the cable to negative terminal ? of charged battery C first.
X Start engine of the vehicle with the
discharged battery and run at idle speed. You can now turn on the electrical consumers. Do not switch on the headlamps under any circumstances.
X Remove the jumper cables from negative
terminals ? and B first.
X Remove the jumper cables from positive
terminals ; and =. You can now switch on the headlamps. X Close cover : of positive terminal =.
Position C represents the charged battery of another vehicle or an equivalent starter pack. X Flip up cover : of positive terminal = in
direction of arrow.
! Never invert the terminal connections! X Connect positive terminal ; of charged
battery C with positive terminal = with a jumper cable. Clamp the cable to positive terminal ; of charged battery C first. X Start engine of the vehicle with charged
battery C and run at idle speed.
X Slide cover A from negative terminal B in
direction of arrow.
X Connect negative terminal ? of charged battery C with negative terminal B with
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Version: 2.11.8.1338 Towing the vehicle
X Slide cover A back onto negative terminal
B.
X Have the battery checked at the nearest
authorized Mercedes-Benz Center.
Towing the vehicle Safety notes Mercedes-Benz recommends that the vehicle be transported with all wheels off the ground using flatbed or appropriate wheel lift/dolly equipment. This method is preferable to other types of towing. ! To prevent damage during transport, do
not tie down vehicle by its chassis or suspension parts.
If circumstances do not permit the recommended towing methods, the vehicle may be towed with all wheels on the ground only so far as necessary to have the vehicle moved to a safe location where the recommended towing methods can be employed. ! Before towing the vehicle observe the
following instructions: RDo not tow-start the vehicle. You could
otherwise seriously damage the automatic transmission which is not covered by the Mercedes-Benz Limited Warranty.
RDo not tow with sling-type equipment. Towing with sling-type equipment over bumpy roads will damage radiator and supports.
RTowing of the vehicle should only be
done using the properly installed towing eye bolt. Never attach a tow cable, tow rope or tow rod to the vehicle chassis, frame or suspension parts.
! Do not tow with one axle raised. Doing so could damage the transfer case, which is not covered by the Mercedes-Benz Limited
Warranty. All wheels must be on or off the ground. Observe instructions for towing the vehicle with all wheels on the ground. G Warning! With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. Adapt your driving accordingly.
! Avoid pulling the vehicle abruptly or
diagonally, since it could result in damage to the chassis alignment.
! Do not use the towing eye bolt for
recovery, as this could damage the vehicle. If in doubt, recover the vehicle with a crane.
i If the battery is disconnected or
discharged Rthe SmartKey will not turn in the starter
switch
Rthe automatic transmission will remain in
park position P
For more information see “Battery” (Y page 333) or “Jump starting” (Y page 336).
Installing towing eye bolt Depending on whether you are towing a vehicle or you are being towed, the towing eye bolt can be screwed into threaded holes which are located behind covers on each bumper. The towing eye bolt is supplied with the vehicle tool kit, located in the cargo compartment underneath the cargo compartment floor (Y page 270). X Take the towing eye bolt out of the space underneath the cargo compartment floor.
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Version: 2.11.8.1Removing cover in front bumper
Fixing towing eye bolt
Towing the vehicle 339
X Press mark on cover : as indicated by the
arrow.
X Lift cover : off to reveal the threaded hole
for the towing eye bolt.
Removing cover in rear bumper G Warning! In order to avoid possible serious burns or injury, use extreme caution when removing the rear cover, because the rear exhaust pipe is extremely hot.
Example illustration front bumper X Take the towing eye bolt and, if so
equipped, the wheel wrench from the vehicle tool kit.
X Screw towing eye bolt ; clockwise into
threaded hole to its stop.
X Insert wheel wrench into towing eye and tighten towing eye bolt ; by turning it clockwise.
or X If your vehicle is not equipped with a wheel
wrench, use a suitable object to turn the towing eye bolt.
Removing towing eye bolt X Loosen towing eye bolt ; by turning it
counterclockwise.
X Unscrew towing eye bolt ;. X Reinstalling cover in front bumper:
Engage cover : (Y page 338) on the left and press on the right.
X Reinstalling cover in rear bumper:
Engage cover : (Y page 339) at top and press at bottom.
X Pry cover : with a flat, blunt object as a
lever.
X Lift cover : off to reveal the threaded hole
for the towing eye bolt.
X Store the towing eye bolt ; and wheel
wrench back into the vehicle tool kit.
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340 Fuses
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Version: 2.11.8.1Towing with all wheels on the ground G Warning! If circumstances require towing the vehicle with all wheels on the ground, always tow with a tow bar if: Rthe engine will not run Rthere is a malfunction in the brake system Rthere is a malfunction in the power supply
or in the vehicle’s electrical system
This is necessary to adequately control the towed vehicle. Prior to towing the vehicle with all wheels on the ground, make sure the SmartKey is in starter switch position 2. G Warning! With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. Adapt your driving accordingly.
X Make sure the ignition is switched on. X With the vehicle at a standstill, depress the
brake pedal and keep it pressed.
X Shift the automatic transmission into
neutral position N.
X Release the brake pedal. X If engaged, release the parking brake. X Switch on the hazard warning flasher
(Y page 101).
! Keep in mind that it is important to have
the ignition switched on. Removing the SmartKey from the starter switch or opening a front door with the ignition switched off will automatically shift the automatic transmission into park position P.
! The vehicle may be towed only for
distances up to 30 miles (50 km) and at a speed not to exceed 30 mph (50 km/h).
i While being towed with the hazard
warning flasher in use, use the combination switch in the usual manner to signal turns. Only the selected turn signal will operate. Upon canceling the turn signal, the hazard warning flasher will operate again.
Stranded vehicle Freeing a stranded vehicle, on which the wheels are dug into sand or mud, should be done with the greatest of care, especially if the vehicle is heavily loaded. Note the following when freeing a stranded vehicle: RAvoid pulling the vehicle abruptly or
diagonally, since it could result in damage to the chassis alignment.
RNever try to free a vehicle that is still
coupled to a trailer.
RIf possible, a vehicle equipped with a trailer hitch receiver should be pulled backward in its own previously made tracks.
Fuses Introduction The electrical fuses in your vehicle serve to switch off malfunctioning power circuits. If a fuse is blown, the components and systems secured by that fuse will stop operating. G Warning! Only use fuses approved by Mercedes-Benz with the specified amperage for the system in question and do not attempt to repair or bridge a blown fuse. Using other than approved fuses or using repaired or bridged fuses may cause an overload leading to a fire, and/or cause damage to electrical components and/or systems. Have the cause determined and remedied by an authorized Mercedes-Benz Center.
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Version: 2.11.8.1Fuses
341
A blown fuse must be replaced by an appropriate spare fuse (recognizable by its color or the fuse rating given on the fuse) of the amperage recommended in the fuse chart. Any Mercedes-Benz Center will be glad to advise you on this subject. i In case of a blown fuse contact Roadside
Assistance or an authorized Mercedes- Benz Center.
If a newly inserted fuse blows again, have the cause determined and rectified by an authorized Mercedes-Benz Center. The fuse chart is located in the cargo compartment with the vehicle tool kit (Y page 270). The fuse chart explains the fuse allocation and fuse amperages.
Before replacing fuses X Engage the parking brake. X Make sure the automatic transmission is in
park position P. The transmission position indicator in the multifunction display should be on P. X Switch off all electrical consumers. X Turn off the engine. X Remove the SmartKey from the starter
switch.
X Vehicles with KEYLESS-GO: Open the
driver’s door (this puts the starter switch in position 0, same as with the SmartKey removed from the starter switch). The driver’s door then can be closed again.
Fuse box in passenger compartment ! Do not use sharp objects such as a
screwdriver to open the fuse box cover in the dashboard. You could damage the fuse box cover or the dashboard.
The fuse box is located behind a cover in the dashboard on the front passenger side.
X Open the front passenger door. X Opening: Insert flat, blunt object into
recess of fuse box cover : and pry it out slightly.
X Remove fuse box cover : in direction of
arrow.
X Closing: Clip upper end of fuse box
cover : into opening.
X Push on lower end of fuse box cover :
until it engages.
! The fuse box cover must be properly
positioned as described. Otherwise, moisture or dirt could enter the fuse box and possibly impair fuse operation.
Fuse box in engine compartment X Open the hood.
X With a dry cloth, remove any moisture from
fuse box cover ;. X Release clamp :. X Lift fuse box cover ; up.
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Version: 2.11.8.1X Take the fuse chart from the vehicle tool kit
(Y page 270).
X Open the fuse box in engine compartment. X Remove fuse 120.
Find its location in the fuse chart.
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342 Fuses
X Closing: Make sure the sealing rubber is
positioned properly.
X Insert the tabs of fuse box cover ; that are
opposite of clamp : into the openings.
X Press fuse box cover ; down X Close clamp :. ! The fuse box cover must be properly
positioned as described. Otherwise, moisture or dirt could enter the fuse box and possibly impair fuse operation.
X Close the hood after checking or replacing
fuses.
Fuse box in cargo compartment
X Opening: Open the cargo compartment. X Lift the cargo compartment floor
(Y page 270).
X Secure cargo compartment floor with
securing hook (Y page 270).
X Fold cover : to the left as indicated by the
arrow.
X Closing: Install everything in reverse order.
Emergency engine shutdown If the engine cannot be turned off as described (Y page 114), you may use the following emergency procedure.
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Version: 2.11.8.1Vehicle equipment ............................ 344
Parts service ..................................... 344
Warranty coverage ........................... 344
Identification labels .......................... 344
Vehicle specification R 350 Blue- TEC (251.125) ................................... 346
Vehicle specification R 350
(251.165) ........................................... 346
Rims and tires ................................... 347
Fuels, coolants, lubricants, etc. ...... 350343
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Version: 2.11.8.1344
Identification labels
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 Warranty19
RState Warranty Enforcement Laws (Lemon
Laws)
Replacement parts and accessories are covered by the Mercedes-Benz Parts and Accessories warranties, copies of which are available at any authorized Mercedes-Benz Center.
Loss of Service and Warranty Information booklet 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.
Identification labels
Vehicle equipment
i This Operator’s Manual describes all
features, standard or optional, potentially available for your vehicle at the time of purchase. Please be aware that your vehicle might not be equipped with all features described in this manual.
Parts service
All authorized Mercedes-Benz Centers maintain a stock of Genuine Mercedes-Benz Parts required for maintenance and repair work. In addition, strategically located parts distribution centers provide quick and reliable parts service. More than 300 000 different parts for Mercedes-Benz models are available. Genuine Mercedes-Benz Parts are subjected to stringent quality inspections. Each part has been specifically developed, manufactured or selected for and adapted to Mercedes-Benz vehicles. Therefore, Genuine Mercedes-Benz Parts should be installed. ! Do not use non-genuine Mercedes-Benz parts and accessories not authorized by Mercedes-Benz. Doing so could damage the vehicle, which is not covered by the Mercedes-Benz Limited Warranty. Also, it could compromise the vehicle’s durability or safety.
Warranty coverage
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
19 Applicable to vehicles with gasoline engine only.
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Version: 2.11.8.1Identification labels
345
data shown in the illustration. Refer to certification label on vehicle for actual data specific to your vehicle.
The Vehicle Identification Number (VIN) can be found Ron certification label : on the driver’s door
B-pillar
Ron passenger side underneath the second-
row seat (Y page 345)
Ron the lower edge of the windshield
(Y page 345)
X Move passenger-side second-row seat ? backward as far as possible (Y page 87). X Fold carpet B backward in direction of
arrow. VIN A is now visible.
i You may have to cut perforated carpet
B using a sharp object, e.g. a knife.
Example certification label (U.S. vehicles) ; Paintwork code = VIN
Example certification label (Canada vehicles) ; Paintwork code = VIN
i Data shown on certification label are for illustration purposes only. These data are specific to each vehicle and may vary from
C Emission control information label, includes both federal and California certification exhaust emission standards
D VIN (on lower edge of windshield) E Engine number (engraved on engine)
i When ordering parts, please specify
vehicle identification and engine number.
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Version: 2.11.8.1346 Vehicle specification R 350 (251.165)
Vehicle specification R 350 BlueTEC (251.125)
The quoted data apply only to the standard vehicle. Contact an authorized Mercedes- Benz Center for the corresponding data of all special bodies and special equipment.
Engine R 350 BlueTEC 642
Engine, type Mode of operation
No. of cylinders Bore Stroke Total piston displacement Compression ratio Output acc. to SAE J 1349
Maximum torque acc. to SAE J 1349Diesel 4-stroke
engine
3.27 in (83.00 mm) 3.62 in (92.00 mm)
182.3 cu in (2 987 cm3)
16.5:1
210 hp/3 400 rpm (157 kW/3 400 rpm)
400 lb-ft/
1 600 - 2 400 rpm
(543 Nm/
1 600 - 2 400 rpm)
Maximum engine speed Firing order Poly-V-belt
4 500 rpm
1-4-2-5-3-6
2 035 mmElectrical system R 350 BlueTEC 14 V/220 A 12 V/2.0 kW 12 V/95 Ah
Alternator Starter motor Battery
Main dimensions R 350 BlueTEC
Overall vehicle length Overall vehicle width20
Overall vehicle height21
Wheelbase Track, front Track, rear Ground clearance21
Turning circle203.7 in (5 173 mm)
85.4 in (2 168 mm)
65.5 in (1 663 mm)
126.6 in (3 215 mm) 64.7 in (1 643 mm) 64.4 in (1 636 mm) 5.8 in (148 mm)
40.7 ft (12.4 m)
Weights R 350 BlueTEC
Roof load
max. 220 lb (100 kg)
Vehicle specification R 350 (251.165)
The quoted data apply only to the standard vehicle. Contact an authorized Mercedes- Benz Center for the corresponding data of all special bodies and special equipment.
Engine R 350
Engine, type Mode of operation
No. of cylinders Bore Stroke Total piston displacement
272
4-stroke engine, gasoline injection
3.66 in (92.90 mm) 3.39 in (86.00 mm)
213.5 cu in (3 498 cm3)
20 Exterior rear view mirrors folded out. 21 Data apply to unladen vehicle with standard equipment. Data may vary in vehicles equipped with AIRMATIC
depending on the selected damping settings and the current vehicle level.
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Version: 2.11.8.1Rims and tires
347
Engine R 350
Main dimensions R 350
Compression ratio Output acc. to SAE J 134922
Maximum torque acc. to SAE J 134910.7:1
268 hp/6 000 rpm (200 kW/6 000 rpm)
258 lb-ft/
2 400 - 5 000 rpm
(350 Nm/
2 400 - 5 000 rpm)
Maximum engine speed Firing order Poly-V-belt
6 500 rpm
1-4-3-6-2-5
2 404 mmElectrical system R 350
Alternator Starter motor Battery Spark plugs, type Spark plugs, electrode gap Spark plugs, tightening torque
14 V/180 A 12 V/1.4 kW 12 V/70 Ah
Bosch Y 7 MPP33
0.031 in (0.8 mm)15 - 18 lb-ft (20 - 25 Nm)
Main dimensions R 350
Overall vehicle length Overall vehicle width23
Overall vehicle height24
Wheelbase203.7 in (5 173 mm)
85.4 in (2 168 mm)
65.5 in (1 663 mm)
126.6 in (3 215 mm)
Track, front Track, rear Ground clearance24
Turning circle64.7 in (1 643 mm) 64.4 in (1 636 mm) 5.8 in (148 mm)
40.7 ft (12.4 m)
Weights R 350
Roof load
max. 220 lb (100 kg)
Rims and tires Notes ! Only use tires which have been tested and
approved by Mercedes-Benz. Tires approved by Mercedes-Benz are developed to provide best possible performance in conjunction with the driving safety systems on your vehicle such as the ABS or the ESP®. Tires specially developed for your vehicle and tested and approved by Mercedes-Benz can be identified by finding the following on the tire’s sidewall: RMO = Mercedes-Benz Original
equipment tires
RMOE = Mercedes-Benz Original Extended
(tires with limited run-flat characteristics) original equipment tires Using tires other than those approved by Mercedes-Benz may result in damage that is not covered by the Mercedes-Benz Limited Warranty.
For information on driving with MOExtended tires, see the “Practical hints” section (Y page 330).
22 Premium fuel required. Performance may vary with fuel octane rating. 23 Exterior rear view mirrors folded out. 24 Data apply to unladen vehicle with standard equipment. Data may vary in vehicles equipped with AIRMATIC
depending on the selected damping settings and the current vehicle level.
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Version: 2.11.8.1i Please keep in mind that the vehicle must
be equipped Rwith wheels of identical dimensions on
each axle (left and right)
Rwith tires of identical characteristics all around, i.e. summer tires, winter tires, all-season tires, or MOExtended tires etc.
i The following pages also list the approved rim and tire sizes for equipping your vehicle with winter tires. Winter tires are not available as standard or optional factory equipment, but can be purchased from an authorized Mercedes-Benz Center. Equipping your vehicle with winter tires approved for your vehicle model may require the purchase of rims of the recommended size for use with these winter tires. This depends on vehicle model and the standard or optional factory- equipped wheel rim/tire configuration on your vehicle. For more information contact an authorized Mercedes-Benz Center.
251_AKB; 4; 52, en-US d2ureepe,
348 Rims and tires
i Vehicles with MOExtended system are not factory-equipped with a TIREFIT kit. When retrofitting with tires that do not have run-flat characteristics, you should also equip your vehicle with a TIREFIT kit. TIREFIT kits are available at any authorized Mercedes-Benz Center.
! Using tires other than those approved by
Mercedes-Benz can have detrimental effects, such as Rpoor handling characteristics Rincreased noise Rincreased fuel consumption Moreover, tires and rims not approved by Mercedes-Benz may, under load, exhibit dimensional variations and different tire deformation characteristics that could cause them to come into contact with the vehicle body or axle parts. Damage to the tires or the vehicle may be the result.
i Further information on tires and rims is
available at any authorized Mercedes-Benz Center. The Tire and Loading Information placard with the recommended tire inflation pressures for cold tires is located on the driver’s door B-pillar. Supplemental tire inflation pressure information for driving at high speeds or for vehicle loads less than the maximum loaded vehicle condition can be found on the tire inflation pressure label. The tire inflation pressure label is located on the inside of the fuel filler flap. The tire inflation pressure should be checked regularly and should only be adjusted on cold tires. Follow tire manufacturer’s maintenance recommendation included with the vehicle.
For information on recommended tire inflation pressure and supplemental tire inflation pressure information for special driving situations, see (Y page 228).
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349
Same size tires
Model
19" wheels Rims (light alloy)
Wheel offset All-season tires25,26
Winter tires25,26,27
Model
19" wheels Rims (light alloy)
Wheel offset All-season tires25
Winter tires25,27Model
20" wheels AMG rims (light alloy)
Wheel offset All-season tires25
Winter tires25,27R 350 BlueTEC 8 J x 19 H2
2.64 in (67 mm) 255/50 R19 107H XL (Extra Load) M+S MOExtended 255/50 R19 107H XL (Extra Load) M+Si MOExtendedR 350
8 J x 19 H2
2.64 in (67 mm) 255/50 R19 107H XL (Extra Load) M+S 255/50 R19 107H XL (Extra Load) M+SiR 350 (Appearance Package)28
8.5 J x 20 H2
2.36 in (60 mm) 265/45 R20 108H XL (Extra Load) M+S 265/45 R20 108H XL (Extra Load) M+Si25 Radial-ply tires. 26 Must be used in conjunction with Advanced Tire Pressure Monitoring System (U.S. vehicles) or tire pressure
loss warning system (Canada vehicles) only.
27 Not available as factory equipment. 28 USA only.
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Spare wheel
! Compare the recommended tire inflation pressure for your vehicle with the tire inflation
pressure on the yellow label located on the spare wheel rim. If the tire inflation pressure on the yellow label on the spare wheel rim differs from the values given in this Operator’s Manual, inflate the tire to the recommended tire inflation pressure given on the yellow label on the spare wheel rim.
i Please note that the tire inflation pressure of the spare wheel differs from the tire inflation
pressure of the road tires.
i The R 350 BlueTEC does not have a spare wheel. R 350
Model Rim 6.5 B x 18 H2
Wheel offset 1.58 in (40 mm) 195/75-18 106P Collapsible tire29
Recommended tire inflation pressure 44 psi (3.0 bar)Fuels, coolants, lubricants, etc. Capacities Vehicle components and their respective lubricants must match. Therefore only use products tested and approved by Mercedes- Benz. For information on tested and approved products, contact an authorized Mercedes- Benz Center or visit www.mbusa.com (USA only). G Warning! Comply with all valid regulations with respect to handling, storing, and disposing of service
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.
Model
Capacity
Engine with oil filter
Automatic transmission
R 350 BlueTEC R 350
All models29 Must not be used with snow chains.
9.0 US qt (8.5 l) 8.5 US qt (8.0 l) 9.5 US qt (9.0 l)
Fuels, coolants, lubricants, etc. Approved engine oils
MB Automatic Transmission Fluid
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Model
All models All models All models
Front axle Rear axle Transfer case
Power steering
All models
Brake system
All models
Cooling system All models
Capacity
1.2 US qt (1.1 l) 1.2 US qt (1.1 l) 0.53 US qt (0.5 l)
Fuels, coolants, lubricants, etc. Hypoid gear oil Hypoid gear oil MB Automatic Transmission Fluid MB Power Steering Fluid or approved Dexron III ATF MB Brake Fluid (DOT 4+) approx. 10.0 US qt (9.5 l) MB 325.0
approx. 1.3 US qt (1.2 l)
0.85 US qt (0.8 l)
Fuel tank Fuel tank 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
8.0 US qt (7.6 l)
Air conditioning system
Washer system and headlamp cleaning system
Anticorrosion/ Antifreeze Gasoline engine: Premium unleaded gasoline (Minimum Posted Octane 91
[Avg. of 96 RON/86 MON]) Diesel engine: ULTRA-LOW SULFUR HIGHWAY DIESEL FUEL (15 ppm SULFUR MAXIMUM) AdBlue® complying with ISO 22241
R134a refrigerant and special PAG lubricant oil (never R 12) MB Windshield Washer Concentrate30
(Y page 357) Washer fluid mixing ratio (Y page 357)30 Mixed with water or commercially available premixed washer solvent/antifreeze.
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Approved engine oils Engine oils are specifically tested for their suitability in our engines and durability for our service intervals. Therefore, only use approved engine oils and oil filters required for vehicles with the Maintenance System. For a listing of approved engine oils and oil filters, contact an authorized Mercedes-Benz Center or visit www.mbusa.com (USA only). ! Using engine oils and oil filters of a
specification other than those expressly required for the Maintenance System, or changing of oil and oil filter at change intervals longer than those called for by the Maintenance System will result in engine or emission control system damage not covered by the Mercedes-Benz Limited Warranty. Please follow Maintenance System recommendations for scheduled oil changes. Failure to do so will result in engine or emission control system damage not covered by the Mercedes-Benz Limited Warranty.
Mercedes-Benz recommends MOBIL OIL. Use the table below to determine the MB sheet number. Model
Engine, type 642
272MB sheet number 229.51
229.5R 350 BlueTEC R 350
i MB sheet numbers are printed on the
outside of oil containers.
Viscosity grades for engine oils Using the chart below, select oil viscosity according to the lowest air temperature expected before the next oil change.
Engine oil additives ! Do not blend oil additives with engine oil. They may damage the engine. Damage or malfunctions resulting from blending oil additives are not covered by the Mercedes- Benz Limited Warranty.
Air conditioning refrigerant R134a (HFC) refrigerant and special PAG lubricating oil are used in the air conditioning system. ! Never use R 12 (CFC) or mineral-based lubricating oil. Otherwise damage to the system will occur.
Brake fluid G Warning! During vehicle operation, the boiling point of the brake fluid is continuously reduced through the absorption of moisture from the atmosphere. Under extremely strenuous operating conditions, this moisture content can lead to
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Version: 2.11.8.1the formation of bubbles in the system, thus reducing the system’s efficiency. Therefore, the brake fluid must be replaced regularly. Refer to your vehicle’s Maintenance Booklet for replacement interval. Only brake fluid approved by Mercedes-Benz is recommended. Any authorized Mercedes- Benz Center will provide you with additional information.
Premium unleaded gasoline (gasoline engine) G Warning! Gasoline is highly flammable and poisonous. It burns violently and can cause serious personal injury. Never allow sparks, flames or smoking materials near gasoline! Turn off the engine before refueling. Whenever you are around gasoline, 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.
! To maintain the engine’s durability and performance, premium unleaded gasoline must be used. If premium unleaded gasoline is not available and low octane gasoline is used, follow these precautions: RHave the fuel tank only partially filled
with unleaded regular gasoline and fill up with premium unleaded gasoline as soon as possible.
RAvoid full throttle driving and abrupt
acceleration.
RDo not exceed an engine speed of
3 000 rpm if the vehicle is loaded with a
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light load such as two persons and no luggage.
RDo not exceed 2/3 of maximum
accelerator pedal position if the vehicle is fully loaded or operating in mountainous terrain.
Fuel requirements Gasoline engine Only use premium unleaded gasoline. The octane number (posted at the pump) must be 91 min. It is an average of both the Research Octane Number (RON) and the Motor Octane Number (MON): (RON+MON)/2. This is also known as the ANTI-KNOCK INDEX. Reformulated gasolines (RFG) and/or unleaded gasoline containing oxygenates such as ethanol, TAME, ETBE, IPA, IBA, and TBA can be used provided the ratio of any one of these oxygenates to gasoline does not exceed 10%; MTBE must not exceed 15%. The ratio of methanol to gasoline must not exceed 3% plus additional cosolvents. Using mixtures of ethanol and methanol is not allowed. Gasohol, which contains 10% ethanol and 90% unleaded gasoline, can be used. These blends must also meet all other fuel requirements, such as resistance to spark knock, boiling range, vapor pressure, etc.
Diesel engine Only use commercially available vehicular ULTRA-LOW SULFUR HIGHWAY DIESEL FUEL (15 ppm SULFUR MAXIMUM) that meets the ASTM D975 standard. Failure to use ULTRA-LOW SULFUR HIGHWAY DIESEL FUEL can severely damage the vehicle’s exhaust after-treatment device. To prevent malfunctions, diesel fuel with improved cold flow characteristics is offered in the winter months. Check with your fuel retailer.
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! Do not fill the tank with gasoline. Do not blend diesel fuel with gasoline or kerosene. The fuel system and engine will otherwise be damaged, which is not covered by the Mercedes-Benz Limited Warranty.
For further information on diesel fuel pump labeling, contact an authorized Mercedes- Benz Center or visit www.mbusa.com (USA only). Biodiesel (FAME = Fatty Acid Methyl Ester) containing fuels Mercedes-Benz USA, LLC approves the use of B5 (standard ULSD [ULTRA-LOW SULFUR DIESEL] with a maximum of up to 5 vol % biodiesel) in all Common Rail Injection (CDI) and BlueTEC diesel engines. As biodiesel can be produced from a variety of raw materials resulting in widely varying qualities, the only approved biodiesel for B5
is one that meets ASTM D6751 specification and has additionally an adequate oxidation stability of min. 6 hours (acc. to EN14112) to prevent damage to the system from deposits and/or corrosion. Diesel fuels containing a higher percentage of biodiesel, e.g. B20, as well as straight biodiesel may cause severe damage to your engine/fuel system and are not approved. Please ask your service station personnel for further information. If the B5 biodiesel blend is not sufficiently labeled to clearly indicate that it meets the above standards, please do not use it. The Mercedes-Benz Limited Warranty does not cover damages caused by the use of fuels not meeting Mercedes-Benz approved fuel standards.Gasoline additives (gasoline engine) A major concern among engine manufacturers is carbon build-up caused by gasoline. Mercedes-Benz recommends only the use of quality gasoline containing
additives that prevent the build-up of carbon deposits. After an extended period of using fuels without such additives carbon deposits can build up, especially on the intake valves and in the combustion area, leading to engine performance problems such as: 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, the use of Mercedes-Benz approved additives is recommended. Contact an authorized Mercedes-Benz Center or visit www.mbusa.com (USA only) for a listing of approved products. Follow directions on the product label. Do not blend other fuel additives with fuel. This only results in unnecessary cost and may be harmful to the engine operation. ! Damage or malfunction resulting from
poor fuel quality or from blending additional fuel additives other than those tested and approved by us for use on Mercedes-Benz vehicles are not covered by the Mercedes- Benz Limited Warranty or by any pre-owned or Extended Limited Warranties.
AdBlue® AdBlue® is a non-flammable, non-toxic, colorless and odorless, water-soluble liquid. ! Only use AdBlue® complying with
ISO 22241. Do not blend with additives.
! Rinse surfaces that have come into
contact with AdBlue®, or remove AdBlue® with a moist cloth and cold water
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High ambient temperatures If AdBlue® in the reservoir heats up to above 122‡ (50†) for a long period of time, for example due to direct sunlight, ammonia gas vapors may escape when opening the AdBlue® tank. 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 ambient temperatures AdBlue® freezes at a temperature of approximately 12‡ (-11†). Your vehicle is factory equipped with an AdBlue® preheating system. The vehicle can thus be operated at temperatures below 12‡ (-11†).
Special additives ! Only use AdBlue® complying with ISO 22241. Do not add additives to AdBlue® and do not dilute AdBlue® with water. Otherwise, the BlueTEC exhaust gas aftertreatment system could be damaged. Damage caused by using additives or diluting with water are not covered by the Mercedes-Benz Limited Warranty.
Purity The purity of AdBlue® is of particular importance for avoiding malfunctions in the exhaust gas aftertreatment.
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If AdBlue® is pumped out of the tank, e.g. during repair work, the same liquid must not be used to refill the tank as its purity is no longer guaranteed. ! Impurities caused for example by other
service products, cleaning agents, and dust result in increased emissions, malfunctions, catalyst damage, or engine damage.
Coolants The engine coolant is a mixture of water and anticorrosion/antifreeze, which provides: RCorrosion protection RFreeze protection RBoiling protection (by increasing the boiling
point)
The cooling system was filled at the factory with a coolant providing freeze protection to approximately -35‡ (-37†) and corrosion protection. ! Add premixed coolant solution only.
Adding water and MB 325.0 Anticorrosion/ Antifreeze separately from each other, could cause engine damage not covered by the Mercedes-Benz Limited Warranty.
If the antifreeze mixture is effective to -35‡ (-37†), the boiling point of the coolant in the pressurized cooling system is reached at approximately 266‡ (130†). The coolant solution must be used year round to provide the necessary corrosion protection and increase boil-over protection. Refer to the Maintenance Booklet for replacement interval. Coolant system design and coolant used determine the replacement interval. The replacement interval published in the Maintenance Booklet is only applicable if MB 325.0 Anticorrosion/Antifreeze solution or other Mercedes-Benz approved products of equal specification are used to renew the
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have the anticorrosion/antifreeze concentration checked. The coolant is also regularly checked each time you bring your vehicle to an authorized Mercedes-Benz Center for service.
coolant concentration or bring it back up to the proper level. For information on other Mercedes-Benz approved products of equal specification, contact an authorized Mercedes-Benz Center or visit www.mbusa.com (USA only). To provide important corrosion protection, the solution must be at least 50% anticorrosion/antifreeze (equivalent to freeze protection to approximately -35‡ [-37†]). If you use a solution that is more than 55% anticorrosion/antifreeze (freeze protection to approximately -49‡ [-45†]), the engine temperature will increase due to the lower heat transfer capability of the solution. Therefore, do not use more than this amount of anticorrosion/antifreeze. If the coolant level is low, water and MB 325.0
Anticorrosion/Antifreeze should be used to bring it up to the proper level (have cooling system checked for signs of leakage). Please make sure the mixture is in accordance with label instructions. The water in the cooling system must meet minimum requirements, which are usually satisfied by normal drinking water. If you are not sure about the water quality, contact an authorized Mercedes-Benz Center.Anticorrosion/antifreeze Your vehicle contains a number of aluminum parts. 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. Therefore, the following product is strongly recommended for use in your vehicle: MB 325.0 Anticorrosion/Antifreeze agent. Before the start of the winter season (or once a year in hot southern regions), you should
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Model
Cooling system
All models
Approximate freeze protection -35‡ (-37†) 5.0 US qt (4.75 l)
-49‡ (-45†) 5.5 US qt (5.2 l)
Washer system 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 Mix with water for temperatures above
freezing point.
X Mix with commercially available premixed
washer solvent/antifreeze for temperatures below freezing point.
Washer fluid mixing ratio For temperatures above the freezing point: 1 part “MB SummerFit” to 100 parts water (1.34 fl oz [40 ml] “MB SummerFit” to 1 gal [4.0 l] water) For temperatures below freezing point: 1 part “MB SummerFit” to 100 parts solvent (1.34 fl oz [40 ml] “MB SummerFit” to 1 gal [4.0 l] solvent)
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