2008 Mercedes-benz M Class Owners Manual

Inflate collapsible tire only after the wheel is properly mounted.

Inflate the collapsible tire using the electric pump (컄 page 485) before lowering the vehicle.

Warning!

Observe instructions on air pump label.

! Do not lower the vehicle before inflating the collapsible tire. Otherwise the rim may be dam- aged. 왘 Take the electric air pump out of the

cargo compartment (컄 page 454).

Electric air pump 1 Flap 2 On/off switch 3 Electrical plug 4 Air hose with pressure gauge and vent

screw

5 Union nut 왘 Open flap 1 on electric air pump. 왘 Pull out electrical plug 3 and air hose

with pressure gauge 4.

왘 Remove the valve cap from the

collapsible tire valve.

Practical hints Flat tire

왘 Screw union nut 5 onto the

collapsible tire valve.

왘 Insert electrical plug 3 into a power

outlet (컄 page 287).

! The cigarette lighter* (컄 page 285) or the power outlet in the front center console (컄 page 288) is not designed for use with the electric air pump. Use the power outlet in the rear center console or in the cargo compartment (컄 page 288) for electric air pump operation. 왘 Turn the SmartKey in the starter switch

to position 1.

or 왘 Vehicles with KEYLESS-GO*:

Press the KEYLESS-GO start/stop button once without depressing the brake pedal.

왘 Press I on electric air pump switch 2.

The electric air pump should now switch on and inflate the collapsible tire.

컄컄

485

Practical hints Flat tire

컄컄

왘 Inflate the collapsible tire to the recom- mended tire inflation pressure given in the “Technical data” section (컄 page 515). This takes about 5 minutes for the col- lapsible tire.

Warning!

Air hose 4 and union nut 5 can become hot during inflation. Exercise proper caution to avoid burning yourself when using the equipment.

! Do not operate the electric air pump longer than 8 minutes without interruption. Otherwise it may overheat. You may operate the electric air pump again after it has cooled off.

486

! Please 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. 왘 Press 0 on electric air pump switch 2. 왘 Turn the SmartKey in the starter switch

to position 0.

or 왘 Vehicles with KEYLESS-GO*:

Press the KEYLESS-GO start/stop button twice without depressing the brake pedal.

왘 If the tire inflation pressure is above the recommended tire inflation pres- sure given in this Operator’s Manual, release excess tire inflation pressure using the vent screw.

Warning!

Follow recommend inflation pressures.

Do not overinflate tires. Overinflated tires can result in sudden deflation (blowout) be- cause they are more likely to become punc- tured or damaged by road debris, potholes, etc.

Do not underinflate tires. Underinflated tires wear unevenly, adversely affect handling and fuel economy, and are more likely to fail from being overheated.

왘 Detach the electric air pump. 왘 Store the electrical plug and the air hose behind the flap and place the electric air pump back in the cargo compartment.

Lowering the vehicle

Warning!

Vehicles with collapsible tire (ML 63 AMG only):

Inflate collapsible tire only after the wheel is properly mounted.

Inflate the collapsible tire using the electric pump (컄 page 485) before lowering the vehicle.

왘 Vehicles with scissors-type jack:

Attach ratchet to vehicle jack in such a way that the word DOWN can be seen. 왘 Lower the vehicle until its resting fully

on its own weight. 왘 Vehicles with screw-type jack: Turn crank counterclockwise.

왘 Vehicles with scissors-type jack:

Turn ratchet in Direction of DOWN.

왘 Remove the jack.

1-5 Wheel bolts 왘 Tighten the five wheel bolts evenly, fol- lowing the diagonal sequence illustrat- ed (1 to 5), until all bolts are tight. Observe a tightening torque of 110 lb-ft (150 Nm).

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).

Practical hints Flat tire

왘 Store jack and all other vehicle tool kit

items back into the storage well.

i The removed road wheel cannot be stored in the spare wheel well under the cargo compart- ment floor, but should be transported in the car- go compartment wrapped in a protective cover. Vehicles with TPMS or Advanced TPMS*: Do not activate the tire inflation pressure moni- tor until a full size wheel/tire with functioning sensor has been placed back into service on the vehicle.

487

Practical hints Bleeding the fuel system (diesel engine only)

왘 Turn the SmartKey in the starter switch

to position 3 (컄 page 40) and hold it there for a maximum of 40 seconds or until the engine runs surge-free.

If the engine does not start: 왘 Wait for approximately 2 minutes. 왘 Turn the SmartKey in the starter switch

to position 3 (컄 page 40) and hold it there for a maximum of 40 seconds or until the engine runs surge-free.

If the engine still does not start, do not make any further attempts to start the engine. Contact an authorized Mercedes-Benz Light Truck Center or call Roadside Assistance (컄 page 298).

i When the ? malfunction indicator lamp (USA only) or the ± malfunction indicator lamp (Canada only) has been illuminated for the above condition, it will remain illuminated until the engine was cycled on and off four times in a row.

Driving the vehicle until the fuel tank is empty is not recommended. Otherwise, air may be sucked into the fuel system. If this happens, the ? malfunction indicator lamp (USA only) or the ± malfunction indicator lamp (Canada only) comes on and the engine may not start immediately after refueling the vehicle. After refueling: 왘 Make sure the automatic transmission

is set to P. The gear position indicator in the multi- function display should be on P. 왘 Do not depress the accelerator.

i Vehicles with KEYLESS-GO*: If necessary, remove the KEYLESS-GO start/stop button from the starter switch (컄 page 40). 왘 Turn the SmartKey in the starter switch

to position 2 for at least 10 seconds (컄 page 40).

왘 Return the SmartKey in the starter

switch to position 0 (컄 page 40).

488

왔 Battery The battery is located under the front passenger seat.

i Mercedes-Benz recommends to have the battery replaced at an authorized Mercedes-Benz Light Truck Center.

The battery should always be sufficiently charged in order to achieve its rated ser- vice life. If you use your vehicle mostly for short-distance trips, you will need to have the battery charge checked more frequently. When replacing the battery, always use batteries approved by Mercedes-Benz. If you do not intend to operate your vehicle for an extended period of time, consult an authorized Mercedes-Benz Light Truck Center about steps you need to observe.

Warning!

Observe all safety instructions and precau- tions when handling automotive batteries.

Risk of explosion.

Fire, open flames and smoking are prohibited when handling batteries. Avoid creating sparks.

Battery acid is caustic. Do not allow it to come into contact with skin, eyes or clothing.

Wear suitable protective cloth- ing, especially gloves, apron and faceguard.

Practical hints Battery

Wear eye protection.

Rinse any acid spills immediate- ly with clear water. Contact a physician if necessary.

Keep children away.

Follow the instructions in this Operator’s Manual.

Batteries contain materials that can harm the environment if disposed of improperly. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling.

489

Practical hints Battery

! The battery is a valve-regulated lead acid (VRLA) battery, also referred to as “fleece” bat- tery. Such batteries do not require topping-up of the electrolyte level. VRLA batteries therefore do not have cell caps and the battery cover is non-removable. Do not attempt to open the bat- tery as otherwise the battery will be damaged. Even though VRLA batteries do not require top- ping-up of the electrolyte level and cannot be opened to check the electrolyte level, the bat- tery condition must be checked periodically by performing a battery conductance test. Refer to Maintenance Booklet for battery condition test- ing intervals. As with any other battery, the battery may dis- charge if the vehicle is not operated for an ex- tended period of time. You can connect a battery maintenance charge unit tested and approved for use on your vehicle model or disconnect the battery to prevent battery discharge. Contact an authorized Mercedes-Benz Light Truck Center for more information.

490

! The factory-equipped VRLA battery is leak-proofed. Only use a battery as replacement that has the same security features and is of identical size, voltage, and capacity as the factory-equipped battery. The battery, the battery ventilation hose (컄 page 495) and the lateral plug (컄 page 495) must always be securely installed when the vehicle is in operation.

Warning!

Jump starting must only be done using the jump-start contacts located in the engine compartment (컄 page 497).

Warning!

Failure to follow these instructions can re- sult in severe injury or death.

Observe all safety instructions and precau- tions when handling automotive batteries (컄 page 489). 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.

! Never loosen or detach battery terminal clamps while the engine is running or the SmartKey is in the starter switch. Otherwise the alternator and other electronic components could be severely damaged. Have the battery checked regularly by an authorized Mercedes-Benz Light Truck Center. Contact your authorized Mercedes-Benz Light Truck Center for further information.

Warning!

Do not place metal objects on the battery as this could result in a short circuit.

Use leak-proof battery only to avoid the risk of acid burns in the event of an accident.

Practical hints Battery

Disconnecting, removing, reinstalling and reconnecting the battery

Warning!

Disconnecting, removing, reinstalling and reconnecting the battery is a complicated and technically demanding procedure that also requires safety precautions to avoid the risk of injury. We strongly recommend that it be performed by a qualified technician or an authorized Mercedes-Benz Light Truck Center only. Please read the instructions fully before beginning operation and only undertake it if you feel fully capable of performing all of the tasks involved as de- scribed in these instructions. Observe all safety instructions and precautions when handling automotive batteries (컄 page 489). Performing the tasks involved incorrectly can cause damage to the vehicle and impair the operating safety of the vehicle, and/or cause severe injury to you or others.

i With a disconnected battery you will no longer be able to turn the SmartKey in the starter switch and pressing the KEYLESS-GO* start/stop button will have no effect.

Step 1 (Disconnecting)

i If your battery is discharged, the vehicle must be jump started (컄 page 497) using the jump start contacts in the engine compartment, or an accessory battery charge unit* approved by Mercedes-Benz must be connected using the jump start contacts in the engine compartment (see separate instructions for the accessory bat- tery charge unit*) before any of the following steps can be performed. If the battery cannot be jumped or charged, please contact an authorized Mercedes-Benz Light Truck Center. 왘 Set the automatic transmission to

position P (컄 page 185).

왘 Firmly depress the parking brake

(컄 page 65).

왘 Turn off the engine (컄 page 66). 왘 Leave the ignition switched on

(컄 page 40).

컄컄

491

Practical hints Battery

컄컄

i If the vehicle battery is discharged and you had the vehicle jump started: 앫 Leave the engine running. 앫 Complete step 1, starting with switching off

all electrical consumers.

앫 Continue with step 2. 앫 When the front passenger seat is in the most

forward position, turn off the engine.

왘 Switch off all electrical consumers. 왘 Read and observe safety instructions

and precautions (컄 page 489). 왘 Open the front passenger door.

i Open doors only when conditions are safe to do so. 왘 Move the front passenger seat to the

most forward position (컄 page 44).

492

Step 2 (Disconnecting)

Step 3 (Disconnecting)

1 Battery cover 왘 Enter the rear passenger compartment

2 Perforated floor carpet 왘 Cut the floor carpet 2 along the

and remove main battery cover 1.

dotted white line (see illustration) until you reach the perforated part. Start cutting at the point indicated by the arrows. Cut carpet using a sharp object (knife etc.).

왘 Enter the front passenger compart-

ment.

왘 Move the front passenger seat to the most rearward position (컄 page 44).

i If the vehicle battery is discharged and you had the vehicle jump started, turn off the engine. 왘 Remove SmartKey from starter switch.

Vehicles with KEYLESS-GO*: 왘 Make sure the vehicle’s on-board electronics have status 0 (Turn off the engine or all electrical systems using the KEYLESS-GO start/stop button. Open the driver’s door. With the driver’s door open, the vehicle’s on-board electronics have status 0, same as with the SmartKey removed from the starter switch).

Practical hints Battery

Step 4 (Disconnecting)

3 Air channel 4 Clip with pin insert 왘 Pull pin out of clip 4 in direction of

왘 Enter the rear passenger compartment

arrow.

again.

왘 Pull clip with pin 4 outwards. 왘 Remove air channel 3 by pulling it out

in direction of arrow.

2 Perforated floor carpet, unfolded 왘 Fold the floor carpet piece 2 in

direction of the arrow.

왘 Move the front passenger seat to the

most forward and upward position again (컄 page 44).

왘 Switch off the ignition (컄 page 40).

493

Practical hints Battery

Step 5 (Disconnecting)

Step 6 (Disconnecting)

Step 7 (Removing)

5 Protection cover 6 Battery 왘 Unclip protection cover 5 from

battery 6 and remove it.

7 Positive terminal 8 Negative terminal 왘 Disconnect battery negative lead 8

from negative terminal.

왘 Remove positive terminal cover. 왘 Disconnect the battery positive

lead 7.

9 Battery ventilation hose a Attachment nut b Mounting 왘 Remove the battery ventilation

hose 9 by pulling it out.

왘 Unfasten and remove attachment

nuts a.

왘 Remove mounting b.

494

Step 8 (Removing)

Step 9 (Reinstalling) 왘 Carry out step 8 in reverse order

(컄 page 495).

! The battery, the battery ventilation hose 9 and the lateral plug d (컄 page 495) must always be securely installed when the vehicle is in operation.

c Battery 왘 Tilt the battery c with the negative

terminal side upwards.

왘 Take out the battery maintaining its tilted position in the direction of the arrow.

Battery, shown removed for illustration 9 Battery ventilation hose d Vent plug

Practical hints Battery

왘 Carry out step 10 to reconnect the

battery (컄 page 495).

왘 Follow steps 5 to 1 in reverse order to

completely reinstall the battery (컄 page 494) to (컄 page 491).

Step 10 (Reconnecting) 왘 If the battery has been removed, first

carry out step 8 in reverse order (컄 page 495).

왘 Open the driver’s door. 왘 Make sure all electrical consumers are

turned off.

왘 Make sure the SmartKey is removed

from the starter switch. Vehicles with KEYLESS-GO*: 왘 Make sure the vehicle’s on-board

electronics have status 0 (Open the driver’s door. With the driver’s door open, the vehicle’s on-board elec- tronics have status 0, same as with the SmartKey removed from the starter switch (컄 page 39)).

컄컄

495

왘 Charge the battery in accordance with the instructions of the battery charger manufacturer.

Batteries contain materials that can harm the environment if disposed of improperly. Large 12-volt storage batteries contain lead. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling.

Practical hints Battery

컄컄

왘 Connect the positive lead to the posi-

Charging the battery

tive terminal and fasten it’s cover (컄 page 494).

왘 Connect the negative lead to the nega-

tive terminal (컄 page 494).

! Never invert the terminal connections!

i The following procedures must be carried out following any interruption of battery power (e.g. due to reconnection): 앫 Set the clock (컄 page 169).

Vehicles with COMAND system with naviga- tion module*: Time and date are set auto- matically.

앫 Synchronize the door windows

(컄 page 237).

앫 Synchronize the power tilt/sliding sunroof

(컄 page 242).

앫 Synchronize the power folding exterior rear

view mirrors* (컄 page 200).

If the battery is discharged, the battery can be charged using the jump-start contacts located in the engine compartment (컄 page 498).

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 charg- ing and cause explosions that may result in paint damage, corrosion or personal injury.

An accessory battery charge unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available, permitting the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Light Truck Center for information and availability. Charge battery in accordance with the separate instructions for the accessory battery charger.

496

왔 Jump starting

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 very 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.

If the battery is discharged, the engine can be started with jumper cables and the bat- tery of another vehicle. Observe the follow- ing: 앫 Jump starting should only be performed using the jump-start contacts located in the engine compartment (컄 page 498).

앫 Jump starting should only be performed

when the engine and catalytic converter1 are cold.

앫 Do not start the engine if the battery is

frozen. Let the battery thaw out first.

앫 Only jump start from batteries with the same voltage rating (12 V). Jump start- ing with a higher voltage battery could damage the vehicle’s electrical system, which will not be covered by the Mercedes-Benz Limited Warranty.

앫 Only use jumper cables with sufficient

cross-section and insulated terminal clamps.

1 Vehicles with gasoline engine only.

Practical hints Jump starting

앫 Always make sure the jumper cables

are not on or near pulleys, fans or other parts that move when the engine is started or running.

! Do not tow-start the vehicle. ! Avoid repeated and lengthy starting attempts. Do not attempt to start the engine using a battery quick charge unit. If the engine does not run after several unsuc- cessful starting attempts, have it checked at the nearest authorized Mercedes-Benz Light Truck Center. Excessive unburned fuel generated by repeated failed starting attempts may damage the catalyt- ic converter1. 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 at- tached to a battery.

497

Practical hints Jump starting

Warning!

Keep flames or sparks away from battery. Do not smoke. Observe all safety instructions and precau- tions when handling automotive batteries (컄 page 489).

왘 Turn off all electrical consumers. 왘 Apply parking brake (컄 page 65). 왘 Set automatic transmission to

position P (컄 page 185).

왘 Open the hood (컄 page 341). 왘 Remove cover from negative

terminal 1.

The jump-start contacts are located in the engine compartment.

왘 Flip up cover 3 of positive terminal 2

in direction of arrow.

1 Negative (-) terminal 2 Positive (+) terminal 3 Positive terminal cover 왘 Make sure the two vehicles do not

touch.

498

1 Negative terminal of discharged

battery

2 Positive terminal of discharged battery 4 Positive terminal of charged battery 5 Negative terminal of charged battery

왘 Connect positive terminal 2 and 4 with the jumper cable. Clamp cable to charged battery 4 first.

왘 Start engine of the vehicle with the

charged battery and run at idle speed. 왘 Connect negative terminals 1 and 5 of the batteries with the second jumper cable. Clamp the cable to negative terminal 5 of the charged battery first.

! Never invert the terminal connections! 왘 Start the engine of the disabled vehi-

cle.

You can now turn on the electrical consum- ers. Do not switch on the headlamps under any circumstances. 왘 Remove the jumper cables first from

negative terminals 1 and 5 and then from positive terminals 2 and 4. You can now switch on the headlamps. 왘 Have the battery checked at the near- est authorized Mercedes-Benz Light Truck Center.

If circumstances do not permit the recom- mended 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 recom- mended towing methods can be employed. When towing the vehicle with all wheels on the ground, 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).

왔 Towing the vehicle 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.

! Do not tow-start the vehicle. ! Use flatbed or wheel lift/dolly equipment, with the SmartKey in starter switch turned to position 0. Do not tow with sling-type equipment. Towing with sling-type equipment over bumpy roads will damage radiator and supports. To prevent damage during transport, do not tie down vehicle by its chassis or suspension parts. Use the towing eyes. Switch off the ESP® (컄 page 102) and the automatic central locking (컄 page 125).

! 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.

Practical hints Towing the vehicle

Warning!

If circumstances require towing the vehicle with all wheels on the ground, always tow with a tow bar if 앫 the engine will not run 앫 there is a malfunction in the brake

system

앫 there 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 automatic trans- mission is in neutral position N.

499

If you want the gear position to remain in neutral position N, observe the following instructions.

Warning!

When leaving the SmartKey or SmartKey with KEYLESS-GO* in the starter switch, do not leave children unattended in the vehicle. It is possible for children to switch on the ignition which could result in unsupervised use of vehicle equipment. A child’s unsupervised access to a vehicle could result in an accident and/or serious personal injury.

Vehicles with SmartKey: 왘 With the vehicle at a standstill and the ignition switched on shift the automatic transmission to neutral position N.

왘 If engaged, release the parking brake

(컄 page 57).

왘 Switch off the ignition and leave the

SmartKey in the starter switch.

Vehicles with KEYLESS-GO*: 왘 With the vehicle at a standstill, depress

the brake pedal and keep it pressed.

왘 With the ignition switched on shift the

automatic transmission to park position P.

왘 Release the brake pedal.

Practical hints Towing the vehicle

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.

! When towing the vehicle with all wheels on the ground, the automatic transmission must be in neutral position N. If you turn off the engine 앫 using the SmartKey and

앫 remove the SmartKey from the starter

switch or

앫 open a front door

앫 or when using the KEYLESS-GO* start/stop

button and open a front door

the automatic transmission will shift to park position P automatically.

500

! Towing 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.

i To signal turns while being towed with hazard warning flasher in use, set the starter switch to position 2 and activate combination switch for left or right turn signal in usual manner – only the selected turn signal will operate. Upon canceling the turn signal, the hazard warn- ing flasher will operate again.

왘 Remove the KEYLESS-GO* start/stop

button from the starter switch (컄 page 41).

왘 Insert the SmartKey with

KEYLESS-GO* into the starter switch.

왘 Switch on the ignition. 왘 Depress the brake pedal. 왘 Shift the automatic transmission to

neutral position N.

왘 Release the brake pedal. 왘 If engaged, release the parking brake

(컄 page 57).

왘 Switch off the ignition and leave the SmartKey with KEYLESS-GO* in the starter switch.

Practical hints Towing the vehicle

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 the right-hand side of each bumper.

1 Cover

501

Practical hints Towing the vehicle

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.

1 Cover

502

Removing cover

i The cover 1 is secured to the bumper by a plastic cord. 왘 Press mark on cover 1 as indicated by

the arrow. Vehicles with Sport Package*: 왘 Pry cover 1 with a screwdriver or similar tool at point indicated by the arrow.

왘 Lift off cover 1 to reveal the threaded

hole for towing eye bolt.

Installing towing eye bolt 왘 Take the towing eye bolt and wheel

wrench from the vehicle tool kit (컄 page 448).

왘 Screw towing eye bolt 2 in clockwise

to its stop and tighten with wheel wrench.

Vehicles with Sport Package* 1 Cover

Example illustration front bumper 2 Towing eye bolt

Removing towing eye bolt 왘 Loosen towing eye bolt 2 counter-

clockwise with wheel wrench. 왘 Unscrew towing eye bolt 2. 왘 Store the towing eye bolt and wheel wrench back into the vehicle tool kit (컄 page 448).

Installing cover 왘 Engage cover 1 at top and press at

bottom.

Stranded vehicle

Freeing a stranded vehicle, on which the wheels are dug into sand or mud, should be done with the greatest of care, especial- ly if the vehicle is heavily loaded. Avoid pulling the vehicle abruptly or diago- nally, since it could result in damage to the chassis alignment. Never try to free a vehicle that is still cou- pled to a trailer. If possible, a vehicle equipped with trailer hitch receiver should be pulled backward in its own previously made tracks.

Practical hints Towing the vehicle

503

Practical hints Fuses

The electrical fuses in your vehicle serve to switch off malfunctioning power circuits. If a fuse is blown, the components and sys- tems secured by that fuse will stop operat- ing.

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 ap- proved 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 au- thorized Mercedes-Benz Light Truck Center.

i A blown fuse must be replaced by an appro- priate 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 Light Truck Center will be glad to advise you on this subject.

504

If a newly inserted fuse blows again, have the cause determined and rectified by an authorized Mercedes-Benz Light Truck Center. A fuse chart explains the fuse allocation and fuse amperages. It is located in the cargo compartment with the vehicle tool kit (컄 page 448). The electrical fuses are located in different fuse boxes: 앫 Fuse box in engine compartment

(컄 page 505)

앫 Fuse box in cargo compartment

(컄 page 505)

앫 Fuse box in passenger compartment

(컄 page 506)

Before replacing fuses: 왘 Apply parking brake (컄 page 65). 왘 Make sure the automatic transmission

is set to P (컄 page 185). The gear position indicator in the multi- function display should be on P. 왘 Turn off all electrical consumers. 왘 Turn off the engine (컄 page 40). 왘 Remove the SmartKey from the starter

switch. Vehicles with KEYLESS-GO*: 왘 Open the driver’s door (this puts the starter switch in position 0, same as with the SmartKey re- moved from the starter switch). The driver’s door then can be closed again.

Practical hints Fuses

Fuse box in engine compartment

The fuse box is located on the passenger side of the engine compartment. 왘 Open the hood (컄 page 341).

! The fuse box cover must be installed properly to prevent moisture and/or dirt from entering the fuse box and possibly impairing fuse operation. 왘 Close the hood after checking or

replacing fuses (컄 page 343).

Fuse box in cargo compartment

The fuse box is located in the cargo com- partment behind the passenger side trim panel.

Removing/installing cover 왘 Open the tailgate (컄 page 119). 왘 Insert a suitable object such as a coin into the slot of lock 1 (컄 page 505).

왘 Turn lock 1 counterclockwise by 90°

in direction of arrow.

왘 Remove cover 2. 왘 Install cover 2 in reverse order.

Example illustration fuse box ML 350 (ML 320 CDI, ML 550, ML 63 AMG similar) 1 Fuse box cover 2 Clamps 왘 Pull clamps 2 in direction of arrow. 왘 Lift fuse box cover 1 up. 왘 Install fuse box cover in reverse order.

1 Lock 2 Cover

505

Practical hints Fuses

Fuse box in passenger compartment

The fuse box is located behind a cover in the dashboard on the front passenger side.

1 Cover

! Do not use sharp objects such as a screw- driver to open the fuse box cover 1 in the dash- board, as this could damage the fuse box cover or the dashboard.

506

Emergency engine shut-down

If the engine cannot be turned off as de- scribed in the “Getting started” section (컄 page 66), you may use the following emergency procedure. 왘 Take the fuse chart from the vehicle

tool kit (컄 page 450).

왘 Open the fuse box in engine compart-

ment (컄 page 505). 왘 Remove fuse 120.

Find its location in the fuse chart.

Opening 왘 Open the front passenger door. 왘 Open the glove box (컄 page 279). 왘 Insert flat, blunt object as a lever into the edge of the cover 1 at the position indicated by the arrow.

왘 Loosen cover 1 from dashboard using

lever.

왘 Using your hands, pull cover 1 out

and remove.

Closing 왘 Hook cover 1 into the opening at the

front.

왘 Press cover 1 back on until it engag-

es.

Technical data

Parts service Warranty coverage Identification labels Layout of poly-V-belt drive Engine Rims and tires Electrical system Main Dimensions Weights Fuels, coolants, lubricants

507

Technical data Parts service

The “Technical data” section provides the necessary technical data for your vehicle.

! The use of non-genuine Mercedes-Benz parts and accessories not authorized by Mercedes-Benz could damage the vehicle, which is not covered by the Mercedes-Benz Limited Warranty, or could compromise the vehicle’s durability or safety.

All authorized Mercedes-Benz Light Truck Centers maintain a stock of Genuine Mercedes-Benz Parts required for mainte- nance and repair work. In addition, strate- gically located parts distribution centers provide quick and reliable parts service. More than 300000 different parts for Mercedes-Benz models are available. Genuine Mercedes-Benz Parts are subject- ed to stringent quality inspections. Each part has been specifically developed, man- ufactured or selected for and adapted to Mercedes-Benz vehicles. Therefore, Genuine Mercedes-Benz parts should be installed.

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Technical data Warranty coverage

Replacement parts and accessories are covered by the Mercedes-Benz Parts and Accessories warranties, copies of which are available at any authorized Mercedes-Benz Light Truck Center.

Loss of Service and Warranty Information Booklet

Should you lose your Service and Warranty Information booklet, have an authorized Mercedes-Benz Light Truck Center arrange for a replacement. It will be mailed to you.

왔 Warranty coverage Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Light Truck Center will exchange or repair any defec- tive parts originally installed on the vehicle in accordance with the terms of the follow- ing warranties: 앫 New Vehicle Limited Warranty 앫 Emission System Warranty 앫 Emission Performance Warranty 앫 California, Maine, Massachusetts, and

Vermont Emission Control Systems Warranty

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Technical data Identification labels

1 Certification label (on driver’s B-pillar) The Vehicle Identification Number (VIN) can be found in the following locations: 앫 on the certification label 앫 embossed underneath the

passenger-side rear seat (컄 page 511)

앫 on the lower edge of the windshield

(컄 page 511)

Example certification label (U.S. vehicles) 2 Paintwork code 3 VIN

Example certification label (Canada vehicles) 2 Paintwork code 3 VIN

i Data shown on certification label are for illustration purpose only. These data are specific to each vehicle and may vary from data shown in the illustration. Refer to certification label on vehicle for actual data specific to your vehicle.

510

7 Emission control information label, includes both federal and California certification exhaust emission standards

8 Engine number (engraved on engine) 9 VIN (lower edge of windshield)

4 Seat cushion 5 Floor cover 6 VIN 왘 Fold the seat cushion 4 forward

(컄 page 270).

왘 Fold floor cover 5 in direction of the

arrow. The VIN 6 is now visible.

i When ordering parts, please specify vehicle identification and engine numbers.

Technical data Identification labels

511

Technical data Layout of poly-V-belt drive

ML 320 CDI

ML 350, ML 550

ML 63 AMG

1 Coolant pump 2 Idler pulley 3 Automatic belt tensioner 4 Power steering pump 5 Air conditioning compressor 6 Crankshaft 7 Idler pulley 8 Generator (alternator)

1 Idler pulley 2 Idler pulley 3 Automatic belt tensioner 4 Power steering pump 5 Air conditioning compressor 6 Crankshaft 7 Coolant pump 8 Generator (alternator)

1 Idler pulley 2 Idler pulley 3 Idler pulley 4 Automatic belt tensioner 5 Power steering pump 6 Air conditioning compressor 7 Crankshaft 8 Coolant pump 9 Generator (alternator)

512

왔 Engine Model Engine 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 1349

ML 320 CDI (164.1221) 642
Diesel 4-stroke engine 3.27 in (83.00 mm) 3.62 in (92.00 mm) 182 cu in (2987 cm3) 17.7:1
215 hp/4000 rpm (160 kW/4000 rpm) 400 lb-ft/1600 - 2400 rpm (543 Nm/1600 - 2400 rpm) 4500 rpm 1-4-2-5-3-6
2035 mm

Technical data Engine

ML 350 (164.1861) 272
4-stroke engine, gasoline injection 3.66 in (92.90 mm) 3.38 in (86.00 mm) 213 cu in (3498 cm3) 10.7:1
268 hp/6000 rpm2
(200 kW/6000 rpm) 258 lb-ft/2400 - 5000 rpm (350 Nm/2400 - 5000 rpm) 6500 rpm 1-4-3-6-2-5
2404 mm

Maximum engine speed Firing order Poly-V-belt 1 The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Light Truck Center for the corresponding data of all special bodies and special

equipment.

2 Premium fuel required. Performance may vary with fuel octane rating.

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Technical data Engine

Model Engine 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 1349

ML 550 (164.1751) 273
4-stroke engine, gasoline injection 3.86 in (98.00 mm) 3.56 in (90.50 mm) 333.2 cu in (5461 cm3) 10.7:1
382 hp/6000 rpm3
(285 kW/6000 rpm) 391 lb-ft/2800 - 4800 rpm (530 Nm/2800 - 4800 rpm) 6500 rpm 1-5-4-2-6-3-7-8
2404 mm

ML 63 AMG (164.1772) 156
4-stroke engine, gasoline injection 4.02 in (102.20 mm) 3.72 in (94.60 mm) 378.8 cu in (6208 cm3) 11.3:1
503 hp/6800 rpm3
(375 kW/6800 rpm) 465 lb-ft/5200 rpm (630 Nm/5200 rpm) 7200 rpm 1-5-4-2-6-3-7-8
2360 mm

Maximum engine speed Firing order Poly-V-belt 1 All data preliminary. The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Light Truck Center for the corresponding data of all special

bodies and special equipment.

2 The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Light Truck Center for the corresponding data of all special bodies and special

equipment.

3 Premium fuel required. Performance may vary with fuel octane rating.

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왔 Rims and tires ! 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 ABS or 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: 앫 MO = Mercedes-Benz Original equipment

tires AMG vehicles: Does not apply to all approved tires on AMG vehicles. For information on tested and approved tires for AMG vehicles, contact an authorized Mercedes-Benz Light Truck Center.

Using tires other than those approved by Mercedes-Benz may result in damage that is not covered by the Mercedes-Benz Limited Warranty.

! Using tires other than those approved by Mercedes-Benz can have detrimental effects, such as 앫 poor handling characteristics 앫 increased noise 앫 increased fuel consumption Moreover, tires and rims not approved by Mercedes-Benz may, under load, exhibit dimen- sional 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 Light Truck Center. A placard with the recommended tire inflation pressure is located on the driver’s door B-pillar (컄 page 510). Some vehicles may have supplemental tire inflation pressure infor- mation for driving at high speeds (컄 page 358) or for vehicle loads less than the maximum loaded vehicle condition (컄 page 358). If such information is provided, it can be found on the placard located on the inside of the fuel filler flap.

Technical data Rims and tires

The tire inflation pressure should be checked regularly and should only be adjusted on cold tires. Follow tire manufacturer’s maintenance recommendation included with vehicle. i The following pages also list the approved wheel rim and tire sizes for equipping your vehicles with winter tires. Winter tires are not available as standard or optional factory equip- ment, but can be purchased from an authorized Mercedes-Benz Light Truck Center. Depending on vehicle model and the standard or optional factory-equipped wheel rim/tire configuration on your vehicle (Appearance Package, Sport Package etc.), equipping your vehicle with winter tires approved for your vehicle model may also require the purchase of two or four wheel rims of the recommended size for use with these winter tires. See an authorized Mercedes-Benz Light Truck Center for more information.

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Technical data Rims and tires

Same size tires

Model

ML 320 CDI ML 350

ML 320 CDI* ML 350*

7.5 J x 17 H2
2.20 in (56 mm) 235/65 R17 104H M+S 235/65 R17 104H M+S. 255/55 R18 105H M+S. 255/50 R19 107H XL (Extra Load) M+S.

8 J x 18 H2
2.36 in (60 mm) 255/55 R18 105H M+S

255/55 R18 105H M+S

ML 320 CDI (Sport Package*) ML 350 (Sport Package*) ML 550
8 J x 19 H2
2.36 in (60 mm) 255/50 R19 107H XL (Extra Load) M+S

Rims (light alloy) Wheel offset All-season tires1
Winter tires1,2
All-terrain tires1,2
1 Radial-ply tires 2 Not available as factory equipment.

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Model

ML 63 AMG

ML 63 AMG*

AMG rims (light alloy) 9.5 J x 19 H2
Wheel offset All-season tires1
Summer tires1,2
Winter tires1,3
1 Radial-ply tires 2 Must not be used with snow chains. 3 Not available as factory equipment.

1.81 in (46 mm) – 295/45 ZR19 109Y 285/45 R19 107V M+S. –

10 J x 20 H2
1.81 in (46 mm) – 295/40 ZR20 106Y

Technical data Rims and tires

ML 320 CDI (Sport Package*) ML 350 (Sport Package*) ML 550 (Sport Package*) 8.5 J x 19 H2
2.28 in (58 mm) 255/50 R19 107H XL (Extra Load) M+S – 255/50 R19 107H XL (Extra Load) M+S.

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Technical data Rims and tires

Spare wheel

Model

Rim Wheel offset Minispare tire1

ML 320 CDI ML 350
ML 550
4.0B x 18 H2
1.58 in (40 mm) T 155/90 D18 113M or T 155/90 R18 113M –

ML 63 AMG

5.5 B x 19 H2
0.51 in (13 mm) –

185/65-19 104P 51 psi (3.5 bar)

Collapsible tire1
Recommended tire inflation pressure 61 psi (4.2 bar) 1 Must not be used with snow chains.

i Please note that the tire inflation pressure of the spare tire differs from the tire inflation pres- sure of the road tires.

! Please compare the recommended tire in- flation pressure for your vehicle with the tire in- flation 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 col- lapsible tire to the recommended tire inflation pressure given on the yellow label on the spare wheel rim.

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Technical data Electrical system

ML 550
14 V/180 A 12 V/1.7 kW 12 V/95 Ah NGK PLKR7A 0.031 in (0.8 mm) 15 – 19 lb-ft (20 – 25 Nm)

ML 63 AMG 14 V/180 A 12 V/2.1 kW 12 V/95 Ah -1
0.039 in (1.0 mm) 15 – 22 lb-ft (20 – 30 Nm)

왔 Electrical system Model Generator (alternator) Starter motor Battery Spark plugs Electrode gap Tightening torque 1 Contact an authorized Mercedes-Benz Light Truck Center.

ML 350
14 V/180 A 12 V/1.4 kW 12 V/70 Ah Bosch Y7MPP33
0.031 in (0.8 mm) 15 – 19 lb-ft (20 – 25 Nm)

Model Generator (alternator) Starter motor Battery

ML 320 CDI 14 V/180 A 12 V/2.0 kW 12 V/95 Ah

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Technical data Main Dimensions

ML 320 CDI, ML 350, ML 550
Model Overall vehicle length 188.5 in (4788 mm) Vehicle width (exterior rear view mirrors folded out) 83.7 in (2127 mm) Vehicle width (exterior rear view mirrors folded in) 76.0 in (1930 mm) Overall vehicle height (vehicles with steel suspen- 71.5 in (1815 mm) sion) Overall vehicle height, depending on set vehicle level (vehicles with air suspension program*) Wheelbase Ground clearance (vehicles with steel suspension) Ground clearance, depending on set vehicle level (vehicles with air suspension program*) Turning circle Track, front

69.8 in - 73.0 in (1774 mm - 1854 mm) 114.8 in (2915 mm) 8.3 in (210 mm) 7.1 in - 10.3 in (181 mm - 261 mm) 8.0 in - 10.9 in (203 mm - 276 mm)

69.5 in - 72.6 in (1764 mm - 1844 mm) 114.8 in (2915 mm)

ML 63 AMG 189.5 in (4812 mm) 83.7 in (2127 mm) 76.8 in (1951 mm)

39 ft (11.6 m) 64.8 in - 65.5 in (1647 mm - 1664 mm)

64.9 in - 65.3 in (1649 mm - 1667 mm)

39 ft (11.6 m) ML 320 CDI, ML 350: 64.0 in (1627 mm) ML 550: 63.7 in (1619 mm) ML 320 CDI, ML 350: 64.1 in (1629 mm) ML 550: 63.8 in (1621 mm)

Track, rear

520

왔 Weights Roof load max.

220 lb (100 kg)

Technical data Weights

521

Technical data Fuels, coolants, lubricants

Capacities

Vehicle components and their respective lubricants must match. Therefore only use products tested and approved by Mercerdes-Benz. Please refer to the Factory Approved Service Products pamphlet (USA only), or inquire at an authorized Mercedes-Benz Light Truck Center.

Warning!

Comply with all valid regulations with re- spect 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.

Engine with oil filter

Automatic transmission

Model ML 320 CDI ML 350
ML 550
ML 63 AMG ML 320 CDI ML 350, ML 550
ML 63 AMG

Capacity 9.0 US qt (8.5 l) 8.5 US qt (8.0 l) 9.5 US qt (9.0 l) 10.3 US qt (9.7 l) 9.5 US qt (9.0 l)

Fuels, coolants, lubricants, etc. Approved engine oils Approved engine oils Approved engine oils Approved engine oils MB Automatic Transmission Fluid

9.7 US qt (9.2 l)

MB Automatic Transmission Fluid

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Technical data Fuels, coolants, lubricants

Transfer case single speed Front axle Rear axle Power steering

Front wheel hubs Brake system Cooling system

1 Data preliminary.

Model All models

All models All models ML 350

ML 320 CDI ML 5501
All models All models ML 320 CDI, ML 350
ML 5501
ML 63 AMG

Capacity 0.53 US qt (0.5 l)

Fuels, coolants, lubricants, etc. MB Automatic Transmission Fluid

1.2 US qt (1.1 l) 1.2 US qt (1.1 l) approx. 1.3 US qt (1.2 l)

approx. 2.3 US qt (2.2 l)

Hypoid gear oil Hypoid gear oil MB Power Steering Fluid or approved Dexron III ATF MB Power Steering Fluid

approx. 1.5 oz (43 g) each approx. 10.0 US qt (9.5 l)

High temperature roller bearing grease MB Brake Fluid (DOT 4+) MB Anticorrosion/Antifreeze

approx. 12.7 US qt (12.0 l) approx. 12.2 US qt (11.5 l)

MB Anticorrosion/Antifreeze MB Anticorrosion/Antifreeze

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Technical data Fuels, coolants, lubricants

Fuel tank

Model All models including a reserve of All except ML 63 AMG including a reserve of ML 63 AMG

Capacity 25.1 US gal (95.0 l) approx. 3.5 US gal (13.0 l)

approx. 4.0 US gal (15.0 l)

Air conditioning system

All models

Fuels, coolants, lubricants etc. 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) R-134a refrigerant and special PAG lubricant oil (never R-12) MB Windshield Washer Concentrate1

Windshield washer system and headlamp cleaning system* 1 Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing or MB Windshield Washer Concentrate “MB SummerFit” and

8.1 US qt (7.7 l)

commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing point. Follow suggested mixing ratios (컄 page 530).

All models

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Technical data Fuels, coolants, lubricants

Engine oils

Engine oil additives

Brake fluid

! 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

R-134a (HFC) refrigerant and special PAG lubricating oil are used in the air condition- ing system.

! Never use R-12 (CFC) or mineral-based lubricating oil. Otherwise damage to the system will occur.

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 Maintenance System. For a listing of approved engine oils and oil filters, refer to the Factory Approved Service Products pamphlet (USA only), or contact an authorized Mercedes-Benz Light Truck Center.

! Using engine oils and oil filters of specification other than those expressly required for the Maintenance System, or chang- ing 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 recommen- dations 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.

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 the 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 inter- val.

Only brake fluid approved by Mercedes-Benz is recommended. Any authorized Mercedes-Benz Light Truck Center will provide you with additional information.

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Technical data Fuels, coolants, lubricants

Premium unleaded gasoline (gasoline engine)

Warning!

Gasoline is highly flammable and poisonous. It burns violently and can cause serious personal injury.

Never allow sparks, flame or smoking mate- rials near gasoline!

Turn off the engine before refueling.

Whenever you are around gasoline, avoid in- haling fumes and skin or clothing contact, extinguish all smoking materials.

Direct skin contact with fuels and the inha- lation of fuel vapors are damaging to your health.

526

! To maintain the engine’s durability and per- formance, premium unleaded gasoline must be used. If premium unleaded gasoline is not avail- able and low octane fuel is used, follow these precautions: 앫 Have the fuel tank only partially filled with unleaded regular gasoline and fill up with premium unleaded gasoline as soon as possible.

앫 Avoid full throttle driving and abrupt acceler-

ation.

앫 Do not exceed an engine speed of 3000 rpm if the vehicle is loaded with a light load such as two persons and no luggage.

앫 Do 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 fuel: 앫 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.

Unleaded gasoline containing oxygenates such as ethanol, 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.

Technical data Fuels, coolants, lubricants

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). To prevent malfunctions, diesel fuel with improved cold flow characteristics is of- fered in the winter months. Check with your fuel retailer.

! Do not fill the tank with gasoline. Do not blend diesel fuel with gasoline or kerosine. The fuel system and engine will otherwise be damaged, which is not covered by the Mercedes-Benz Limited Warranty.

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: 앫 Warm-up hesitation 앫 Unstable idle 앫 Knocking/pinging 앫 Misfire 앫 Power loss

In areas where carbon deposits may be encountered due to lack of availability of gasolines which contain these additives, Mercedes-Benz recommends the use of additives approved by us for use on Mercedes-Benz vehicles. Refer to the Factory Approved Service Products pamphlet (USA only) or contact an authorized Mercedes-Benz Light Truck Center for a listing of approved product(s). Follow directions on product label. Do not blend other fuel additives with fuel. This only results in unnecessary costs 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.

527

Technical data Fuels, coolants, lubricants

Coolants

The engine coolant is a mixture of water and anticorrosion/antifreeze, which provides: 앫 Corrosion protection 앫 Freeze protection 앫 Boiling protection (by increasing the

boiling point)

The cooling system was filled at the factory with a coolant providing freeze protection to approximately -35°F (-37°C) and corro- sion 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.

528

If the antifreeze mixture is effective to -35°F (-37°C), the boiling point of the cool- ant in the pressurized cooling system is reached at approximately 266°F (130°C). The coolant solution must be used year round to provide the necessary corrosion protection and increase boil-over protec- tion. Refer to 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 solu- tion or other Mercedes-Benz approved products of equal specification are used to renew the coolant concentration or bring it back up to the proper level. For information on other Mercedes-Benz