2005 Mercedes-benz G Class Owners Manual

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Do not ignore the low engine coolant level warning. Extended driving with the message and symbol displayed may cause serious engine damage not covered by the Mercedes-Benz Limited Warranty. Do not drive without sufficient amount of coolant in the cooling system. The engine will overheat causing serious engine damage. Observe the coolant temperature dis- play (컄 page 120). Practical hints What to do if … Possible solution 왘 Add coolant (컄 page 244). 왘 If you have to add coolant frequently, have the cooling system checked by an authorized Mercedes-Benz Light Truck Center. 305 Possible solution 왘 Stop the vehicle and turn off the en- gine. 왘 Only start the engine again after the message disappears. You could other- wise damage the engine. Practical hints What to do if … Display symbol Display message Ï COOLANT STOP, ENGINE OFF! Possible cause The coolant is too hot. During severe operating conditions and stop-and-go city traffic, the coolant tem- perature may rise close to 248°F (120°C). The engine should not be operated with the coolant temperature above 248°F (120°C). Doing so may cause serious engine damage which is not covered by the Mercedes-Benz Limited Warranty. Warning! Driving when your engine is badly overheat- ed can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned. Steam from an overheated engine can cause serious burns and can occur just by opening the hood. Stay away from the engine if you see or hear steam coming from it. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down. 306 Display symbol Display message Ï COOLANT STOP, ENGINE OFF! Possible cause The poly-V-belt could be broken. Practical hints What to do if … Possible solution 왘 Stop immediately and check the poly-V-belt. If it is broken: 왘 Do not continue to drive. Otherwise the engine will overheat due to an inoperative water pump which may re- sult in damage to the engine. Notify an authorized Mercedes-Benz Light Truck Center. If it is in order: 왘 Do not continue to drive the vehicle with this message displayed. Doing so could result in serious engine damage that is not covered by the Mercedes-Benz Limited Warranty. 왘 Observe the coolant temperature display (컄 page 120). 왘 Drive immediately to the nearest au- thorized Mercedes-Benz Light Truck Center. 307 Practical hints What to do if … Display symbol Display message Ï COOLANT VISIT WORKSHOP! Possible cause The cooling fan for the coolant is malfunctioning. Possible solution 왘 Observe the coolant temperature dis- play (컄 page 120). 왘 Have the fan replaced as soon as pos- sible. Ñ CRUISE CONTROL VISIT WORKSHOP! DOOR OPEN! ENGINE AIR FILTER VISIT WORKSHOP! Cruise control is malfunctioning. 왘 Visit an authorized Mercedes-Benz You are attempting to drive with one ore more doors open. The engine air filter is clogged and must be replaced. Light Truck Center. 왘 Close the doors. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possi- ble. 308 Practical hints What to do if … Display symbol Display message USA only: ADD 1.0 Qt. ENGINE OIL WHEN NEXT REFUELING! Possible cause The engine oil level is too low. Possible solution 왘 Add engine oil (컄 page 243) and check the engine oil level (컄 page 240). Canada only: ADD 1.0 LITER ENG. OIL WHEN NEXT REFUELING! When the ADD 1.0 QT. ENG. OIL - WHEN NEXT REFUELLING! (Canada: 1.0 LITER) message appears while the engine is run- ning and at operating temperature, the en- gine oil level has dropped to approximately the minimum level. When this occurs, the warning will first come on intermittently and then stay on if the oil level drops further. Visually check for oil leaks. If no obvious oil leaks are noted, drive to the nearest ser- vice station where the engine oil should be topped to the required level with an ap- proved oil specified in the Factory Approved Service Products pamphlet. The engine oil level warnings should not be ignored. Extended driving with the symbol displayed could result in serious engine damage that is not covered by the Mercedes-Benz Limited Warranty. 309 Practical hints What to do if … Display symbol Display message ENGINE OIL LEVEL REDUCE OIL LEVEL! ENGINE OIL LEVEL STOP, ENGINE OFF! Possible cause You have added too much engine oil. There is a risk of damaging the engine or the catalytic converter. There is no oil in the engine. There is a danger of engine damage. Possible solution 왘 Have oil siphoned or drained off. Ob- serve all legal requirements with re- spect to its disposal. 왘 Carefully bring the vehicle to a halt as soon as possible. ENGINE OIL VISIT WORKSHOP! ENGINE OIL LEVEL VISIT WORKSHOP! It may be that there is water in the engine oil. The engine oil has dropped to a critical level. 왘 Turn off the engine. 왘 Add engine oil (컄 page 243) and check the engine oil level (컄 page 240). 왘 Have the oil checked. 왘 Check the engine oil level (컄 page 240) and add oil as required (컄 page 243). 왘 If you must add engine oil frequently, have the engine checked for possible leaks. The measuring system is malfunctioning. 왘 Have the measuring system checked by an authorized Mercedes-Benz Light Truck Center. 310 Display symbol Display message RESERVE FUEL GO TO GAS STATION CHECK GAS CAP SEE OPERATOR’S MANUAL Possible cause The fuel level has dropped below the re- serve mark. A loss of pressure has been detected in the fuel system. The fuel cap may not be closed properly or the fuel system may be leaky. HOOD OPEN! REMOVE KEY! REPLACE KEY DRIVE TO WORKSHOP! You are driving with the hood open. You have forgotten to remove the SmartKey. No additional code available for SmartKey. Practical hints What to do if … Possible solution 왘 Refuel at the next gas station (컄 page 235). 왘 Check the fuel cap (컄 page 235). If it is not closed properly: 왘 Close the fuel cap. If it is closed properly: 왘 Have the fuel system checked by an authorized Mercedes-Benz Light Truck Center. 왘 Close the hood (컄 page 239). 왘 Remove the SmartKey from the starter switch. 왘 Visit an authorized Mercedes-Benz Light Truck Center. 311 Practical hints What to do if … Display symbol Display message 3RD BRAKE LIGHT CHECK LIGHT! ADD. TURN SIG., L CHECK LIGHT! ADD. TURN SIG., R CHECK LIGHT! AUTOM. LIGHT ON REMOVE KEY! BRAKE LIGHT DRIVE TO WORKSHOP! BRAKE LIGHT, L CHECK LIGHT! 312 Possible cause The high mounted brake lamp is malfunc- tioning. This message will only appear if all light emitting diodes have stopped working. The left turn signal in the exterior rear view mirror is malfunctioning. This mes- sage will only appear if all light emitting diodes have stopped working. The right turn signal in the exterior rear view mirror is malfunctioning. This mes- sage will only appear if all light emitting diodes have stopped working. You have left the SmartKey in the starter switch. Brake lamp illumination is delayed or lamp is permanently on. Possible solution 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. 왘 Have the LEDs replaced as soon as possible. 왘 Have the LEDs replaced as soon as possible. 왘 Remove the SmartKey from the starter switch. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. The left brake lamp is malfunctioning. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. Practical hints What to do if … Display symbol Display message BRAKE LIGHT, R CHECK LIGHT! FRONT FOGLIGHT, L CHECK LIGHT! FRONT FOGLIGHT, R CHECK LIGHT! FR. L. PARK. LAMP CHECK LIGHT! BACK-UP LIGHT ON! FR. R. PARK LAMP CHECK LIGHT! BACK-UP LIGHT ON! HIGH BEAM, L CHECK LIGHT! HIGH BEAM, R CHECK LIGHT! Possible cause The right brake lamp is malfunctioning. Possible solution 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. The left front fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The right front fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The left parking lamps are malfunction- ing. A backup bulb is being used. 왘 Replace the bulb as soon as possible. The right parking lamps are malfunction- ing. A backup bulb is being used. 왘 Replace the bulb as soon as possible. The left high beam lamp is malfunction- ing. The right high beam lamp is malfunction- ing. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. 313 Practical hints What to do if … Display symbol Display message LIGHT SENSOR DRIVE TO WORKSHOP! Possible cause The lamp sensor is malfunctioning. The headlamps switch on automatically. Possible solution 왘 In the control system, set lamp opera- tion to manual (컄 page 137). 왘 Switch on headlamps using the exterior lamp switch (컄 page 110). 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possi- ble. LICENSE PLATE LIGHT, L CHECK LIGHT! LICENSE PLATE LIGHT R CHECK LIGHT! LIGHTS TURN OFF LIGHTS! LOW BEAM, L CHECK LIGHT! LOW BEAM, R CHECK LIGHT! 314 왘 Replace the bulb as soon as possible. The left license plate lamp is malfunction- ing. The right license plate lamp is malfunc- tioning. The display appears if the driver’s door is opened with the engine shut off and no SmartKey in the starter switch. The left low beam lamp is malfunctioning. 왘 Visit an authorized Mercedes-Benz 왘 Insert SmartKey in the starter switch. 왘 Switch off the lights (컄 page 110). 왘 Replace the bulb as soon as possible. The right low beam lamp is malfunction- ing. Light Truck Center as soon as possible. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. Practical hints What to do if … Display symbol Display message MARKER LIGHT, FL CHECK LIGHT! MARKER LIGHT, FR CHECK LIGHT! REAR FOGLIGHT CHECK LIGHT! REAR FOGLIGHT TURN OFF BACK-UP LIGHT ON! REVERSE LIGHT, R CHECK LIGHT! TAIL LIGHT, L CHECK LIGHT! BACK-UP LIGHT ON! TAIL LIGHT, R CHECK LIGHT! BACK-UP LIGHT ON! TURN SIG., LF CHECK LIGHT! BACK-UP LIGHT ON! Possible cause The left front side marker lamp is mal- functioning. The right front side marker lamp is mal- functioning. The rear fog lamp is malfunctioning. Possible solution 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. A lamp is malfunctioning. A backup bulb is being used. 왘 Turn the rear fog lamp off. The right backup lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The left tail lamp is malfunctioning. A backup bulb is being used. The right tail lamp is malfunctioning. A backup bulb is being used. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. The left front turn signal lamp is malfunc- tioning. A backup bulb is being used. 왘 Replace the bulb as soon as possible. 315 Practical hints What to do if … Display symbol 316 Display message TURN SIG., RF CHECK LIGHT! BACK-UP LIGHT ON! TURN SIG., LR CHECK LIGHT! BACK-UP LIGHT ON! TURN SIG., RR CHECK LIGHT! BACK-UP LIGHT ON! VISIT WORKSHOP! DISPLAY MALFUNCTION TURN SIG. MIRROR, L CHECK LIGHT! TURN SIG. MIRROR, L CHECK LIGHT! Possible cause The right front turn signal lamp is mal- functioning. A backup bulb is being used. The left rear turn signal lamp is malfunc- tioning. A backup bulb is being used. Possible solution 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. The right rear turn signal lamp is mal- functioning. A backup bulb is being used. The display for the lamps or the system is malfunctioning. The left turn signal in the side mirror is malfunctioning. This message will only appear if all light emitting diodes have stopped working. The right turn signal in the side mirror is malfunctioning. This message will only appear if all light emitting diodes have stopped working. 왘 Replace the bulb as soon as possible. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. Practical hints What to do if … Display symbol Display message RESTRAINT SYSTEM SERVICE RESTRAINT SYSTEM DRIVE TO WORKSHOP! Possible cause The system is malfunctioning. The air- bags or emergency tensioning device (ETD) could deploy unexpectedly or fail to activate in an accident. The system is malfunctioning. The air- bags or emergency tensioning device (ETD) could deploy unexpectedly or fail to activate in an accident. Possible solution 왘 Drive with added caution to the near- est authorized Mercedes-Benz Light Truck Center. 왘 Drive with added caution to the near- est authorized Mercedes-Benz Light Truck Center. Warning! In the event a malfunction of the SRS is indi- cated as outlined above, the SRS may not be operational. For your safety, we strongly recommend that you visit an authorized Mercedes-Benz Light Truck Center immediately to have the system checked. Otherwise the SRS may not be activated when needed in an accident, which could re- sult in serious or fatal injury, or it might de- ploy unexpectedly and unnecessarily which could also result in injury. 317 Practical hints What to do if … Display symbol Display message SEAT BELT SYSTEM DRIVE TO WORKSHOP! Possible cause The seat belt system is malfunctioning. 왘 Visit an authorized Mercedes-Benz Possible solution Light Truck Center as soon as possible. § TC IN NEUTRAL No gear has been selected in the transfer case, it is in NEUTRAL. 왘 Engage transfer case to gear position HIGH or LOW (컄 page 154). Warning! If the transfer case is in NEUTRAL, the P position of transmission will not hold vehi- cle. The parking brake must be applied to hold vehicle in place. 318 Display symbol Display message § TC SHIFT CANCELLED TC SHIFT CONDITIONS NOT FULFILLED TRANSFER CASE VISIT WORKSHOP! Possible cause The shift process in the transfer case was canceled because of a malfunction. You have not met the shift conditions for a selection process in the transfer case. The transfer case is malfunctioning. ì CLOSE SUNROOF! CLOSE SUNROOF! TELE AID DRIVE TO WORKSHOP! FUNCTION NOT AVAILABLE! You have opened the driver’s door with the SmartKey removed from the starter switch and the tilt/sliding sunroof open. You have opened the driver’s door with the SmartKey removed from the starter switch and the tilt/sliding sunroof open. One or more main functions of the Tele Aid system are malfunctioning. This display appears if button t or s on the multifunction steering wheel is pressed and the vehicle is not equipped with a telephone. Practical hints What to do if … Possible solution 왘 Repeat the shift process (컄 page 154). 왘 Repeat the shift process (컄 page 154). 왘 Do not switch the transfer case on. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. 왘 Close the tilt/sliding sunroof (컄 page 173). 왘 Close the tilt/sliding sunroof (컄 page 173). 왘 Have the Tele Aid system checked by an authorized Mercedes-Benz Light Truck Center. 319 Possible cause This message will appear whenever the tailgate is open. The instrument cluster display is malfunc- tioning. Some systems themselves may also have failed. Certain electronic systems are unable to relay information to the control system. The following systems may have failed: 앫 Coolant temperature display 앫 Tachometer 앫 Cruise control display The fluid level has dropped to about 1/3 of total reservoir capacity. Possible solution 왘 Close the tailgate. 왘 Continue driving with added caution. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possible. 왘 Have the electronic systems checked by an authorized Mercedes-Benz Light Truck Center. 왘 Add washer fluid (컄 page 380). Practical hints What to do if … Display Ê ± TRUNK OPEN! VISIT WORKSHOP! DISPLAY MALFUNCTION: VISIT WORKSHOP! DISPLAY MALFUNCTION: WASHER FLUID CHECK LEVEL! 320 왔 Where will I find...? First aid kit Vehicle tool kit The first aid kit is stored in the storage pocket in the front passenger door. The vehicle tool kit is stored under a small floormat and a cover in the rear footwell. Practical hints Where will I find...? The following is included: 앫 Vehicle tool kit 앫 Wheel wrench 앫 Fuse extractor 1 First aid kit Check expiration dates and contents for completeness at least once a year and replace missing/expired items. 1 Cover 2 Tab 왘 Fold cover 1 to the side. 왘 Pull vehicle tool kit out using tab 2. 321 Practical hints Where will I find...? Vehicle jack The vehicle jack is under the rear bench seat on the passenger side. 1 Cover 2 Tab 3 Vehicle jack 왘 Fold the rear bench seat forward (컄 page 184). 왘 Open cover 1. 왘 Open tab 2 and remove vehicle jack 3. 322 Warning! CD changer The CD changer is located on the left side of the cargo compartment. CD changer For CD changer instructions, see sepa- rate COMAND operator’s manual. The jack is designed exclusively for jacking up the vehicle under the axle housing. To help avoid personal injury, use the jack only to lift the vehicle during a wheel change. Never get beneath the vehicle while it is sup- ported by the jack. Keep hands and feet away from the area under the lifted vehicle. Always firmly set parking brake and block wheels before raising vehicle with jack. Do not disengage parking brake while the vehicle is raised. Be certain that the jack is always vertical (plumb line) when in use, es- pecially on hills. Always try to use the jack on level surface. Make sure the jack is posi- tioned correctly under the axle housing. Al- ways lower the vehicle onto sufficient capacity jackstands before working under the vehicle. Please also observe the safety guidelines in the “Flat tire” section (컄 page 346) when using the jack. Practical hints Where will I find...? Spare wheel The spare wheel is located under a cover on the outside of the vehicle’s tailgate. For information on rim and tire specifica- tions, see (컄 page 369) and (컄 page 371). Removing cover 왘 Open lock for cover ring 1 with key 2 for the spare wheel cover. 왘 Fold tab 3 downwards. 4 Cover plate 왘 Pull cover ring 1 slightly outwards in direction of arrows and remove. 왘 Pull cover plate 4 upward towards you. 5 Catch 6 Recess When replacing cover plate 4, make sure catch 5 engages in recess 6. Make sure the lock faces downwards when mounting cover ring 1. For safety reasons, check regularly that the spare wheel is securely fastened. 1 Cover ring 2 Key 3 Tab 323 Warning! Make sure no one is injured when removing the spare wheel. Grip wheel from the sides. Keep hands from beneath the wheel. After changing the wheel, secure the replaced wheel on the spare wheel car- rier. Make sure the wheel cannot come loose. Cover the wheel with the cover plate. Repair or replace damaged tire as soon as possible and return spare tire as original spare. For more information on changing the wheel, see “Flat tire” (컄 page 346). Practical hints Where will I find...? Removing the spare wheel 1 Mounting screws 왘 Unscrew mounting screws 1. 왘 Remove the spare wheel. 324 왔 Unlocking/locking in an emergency Unlocking the vehicle If you are unable to unlock the vehicle with the SmartKey, open the driver’s door and the tailgate using the mechanical key. The passenger door cannot be unlocked manually. Unlocking your vehicle with the me- chanical key will trigger the anti-theft alarm system. To cancel the alarm, do one of the following: 앫 Press button Œ or ‹ on the SmartKey. 앫 Insert the SmartKey in the starter switch. Practical hints Unlocking/locking in an emergency Unlocking the tailgate If you are unable to unlock the tailgate with the SmartKey, open the tailgate with the mechanical key as follows: 1 Mechanical key locking tab 2 Mechanical key 왘 Move locking tab 1 in direction of ar- row and slide the mechanical key 2 out of the housing. Unlocking the driver’s door 왘 Unlock the door with the mechanical key. To do so, push the mechanical key in the lock until it stops and turn it to the left. 1 Unlocking in an emergency 2 Lock cylinder 3 Handle 왘 Insert the mechanical key into lock cylinder 2. 왘 Turn the mechanical key counterclock- wise to position 1 and release it. 왘 Remove the mechanical key. 컄컄 325 Practical hints Unlocking/locking in an emergency Locking the vehicle Fuel filler flap If you are unable to lock the vehicle with the SmartKey, lock it with the mechanical key as follows: 왘 Close the passenger doors and the tail- gate. 왘 Press the central locking switch in the cockpit (컄 page 99). 왘 Check to see whether the locking knobs on the passenger doors are still visible. If necessary, push them down manually. 왘 Slide the mechanical key 2 out of the SmartKey. 왘 Lock the driver’s door with the me- chanical key. 왘 Check if the tailgate is locked. If neces- sary lock the tailgate with the mechan- ical key. The emergency release is in the cargo compartment behind the rear panel trim. 1 Edge protection 2 Rear panel trim 왘 Open the tailgate. 왘 Remove edge protection 1 from the door pillar. 왘 Remove rear panel trim 2. 컄컄 왘 Press lock cylinder 2 and pull on tail- gate handle 3. 왘 Open the tailgate to the side. Warning! The tailgate swings open to one side. Always make sure there is sufficient clearance for tailgate. Unlocking your vehicle with the me- chanical key will trigger the anti-theft alarm system. To cancel the alarm, do one of the following: 앫 Press button Œ or ‹ on the SmartKey. 앫 Insert the SmartKey in the starter switch. 326 Practical hints Unlocking/locking in an emergency Manually unlocking the transmission gear selector lever 왘 Insert a pin 1, e.g. ball point pen, into the covered opening. In the case of power failure the transmis- sion gear selector lever can be manually unlocked, e.g. to tow the vehicle. 3 Release strap 왘 Pull strap 3 upwards. The fuel filler flap is unlocked and can be opened. 1 Pin 왘 Perform the following two steps simul- taneously: 왘 Push pin 1 down. 왘 Move gear selector lever from position P. 왘 Remove pin 1. The cover returns to its closed position af- ter moving the gear selector lever to posi- tions D+ and D-. The gear selector lever is locked again when moving it to position P. 327 Practical hints Opening/closing in an emergency Tilt/sliding sunroof 왘 Remove rear panel trim 2. 왘 Turn screwdriver 4 clockwise to: 앫 slide sunroof closed 앫 raise sunroof at the rear 왘 Turn screwdriver 4 counterclockwise to: 앫 slide sunroof open 앫 lower sunroof at the rear You can open or close the tilt/sliding sun- roof manually in the case of power failure. The tilt/sliding sunroof drive is located on the left side (driver’s side) of the cargo compartment behind the rear panel trim. 1 Edge protection 2 Rear panel trim 왘 Take the vehicle tool kit out from its storage compartment (컄 page 321). 왘 Open the tailgate. 왘 Remove edge protection 1 from door pillar. 328 3 Key (vehicle tool kit) 4 Screwdriver (vehicle tool kit) Do not disconnect electrical connec- tors. 왘 Fit key 3 into hexagon nut of drive. 왘 Insert screwdriver 4 into the key as a lever. 왔 Brush guard* Warning! The brush guard is designed solely to en- hance the appearance of the vehicle and help protect grille and headlights from minor mishaps, either on- or off-road. Since the safety characteristics are limited in the event of an accident, brush guards are not intended to prevent injury or damage in the event of an accident. Also check state and local regulations on installation and use. Raise and lower brush guard in an open space with plenty of room. To help prevent personal injury when open- ing or closing the brush guard, use extreme caution not to trap hands or feet. The brush guard must be in raised and locked position while driving. Practical hints Brush guard* Only lower brush guard to clean head lamps or to replace bulbs. 329 Lowering 왘 While holding brush guard firmly, open quick lock 2 using locking and unlock- ing handle 1. 왘 Gently lower brush guard until it reaches its fully lowered position. Raising and securing 왘 Flip up brush guard until it contacts end stop joint 4. Quick lock stop pin 2 must engage the cross slot recess in lock 3. 왘 Now turn quick lock 2 so that quick lock makes contact with end stop joint 4. 왘 Lock quick lock 2 on both sides of brush guard using locking and unlock- ing handle 1. Make sure both quick stop pins 2 are seated fully in lock 3. Practical hints Brush guard* Lowering and raising brush guard 1 Locking and unlocking handle 2 Quick lock 3 Lock 4 End stop joint 330 왔 Replacing SmartKey batteries If the batteries in the SmartKey are dis- charged, the vehicle can no longer be locked or unlocked. It is recommended to have the batteries replaced at an autho- rized Mercedes-Benz Light Truck Center. Warning! Keep the batteries out of reach of children. If a battery is swallowed, seek medical help immediately. 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. Practical hints Replacing SmartKey batteries When inserting the batteries, make sure they are clean and free of lint. When replacing batteries, always re- place both batteries. The required replacement batteries are available at any Mercedes-Benz Light Truck Center. 331 Practical hints Replacing SmartKey batteries SmartKey Replacement batteries: Lithium, type CR 2025 or equivalent. 왘 Remove mechanical key (컄 page 325). 왘 Insert mechanical key 1 in side open- ing and push gray slide. Battery compartment 2 is unlatched. 왘 Pull battery compartment out of the housing in direction of arrow. 왘 Remove the discharged batteries. 왘 Using a lint-free cloth, insert new batteries 3 under contact spring 4 with the plus (+) side facing up. 왘 Return battery compartment 2 into the housing until it engages. 왘 Slide mechanical key 1 back into the SmartKey. 왘 Check the operation of the SmartKey. 1 Mechanical key 2 Battery compartment 3 Battery 4 Contact spring 332 Practical hints Replacing bulbs If the headlamps or front fog lamps are fogged up on the inside as a result of high humidity, driving the vehicle a dis- tance with the lights on should clear up the fogging. Backup bulbs will be brought into use when lamps malfunction. Observe the messages in the multifunction display (컄 page 296). 왔 Replacing bulbs Safe vehicle operation depends on proper exterior lighting and signaling. It is there- fore essential that all bulbs and lamp as- semblies are in good working order at all times. Correct headlamp adjustment is extremely important. Have headlamps checked and readjusted at regular intervals and when a bulb has been replaced. See an authorized Mercedes-Benz Light Truck Center for headlamp adjustment. 333 Practical hints Replacing bulbs Bulbs Front lamps Lamp 1 Additional turn signal lamp Type LED 2 Turn signal lamp 3 Side marker lamp 4 High and low beam H4 60 (55 W) 1156 NA T 4 W Parking and standing lamp T 4 W 5 Fog lamp H3 (55 W) 334 Type LED PY 21 W P 21 W R 5 W Rear lamps Lamp 6 High mounted brake lamp 7 Turn signal lamp Brake lamp Tail, parking and standing lamp 8 Backup lamp P 21 W 9 License plate lamps C 5 W a Rear fog lamp b Side marker lamp P 21 W T 4 W Warning! Bulbs and bulb sockets can be very hot. Al- low the lamp to cool down before changing a bulb. Notes on bulb replacement 앫 Use only 12 volt bulbs of the same type and with the specified watt rating. 앫 Switch lights off before changing a bulb to prevent short circuits. Keep bulbs out of reach of children. 앫 Always use a clean lint-free cloth when Halogen lamps contain pressurized gas. A bulb can explode if you: 앫 touch or move it when hot 앫 drop the bulb 앫 scratch the bulb Wear eye and hand protection. handling bulbs. 앫 Your hands should be dry and free of oil and grease. 앫 If the newly installed bulb does not come on, visit an authorized Mercedes-Benz Light Truck Center. Have the LEDs for the following lamps re- placed by an authorized Mercedes-Benz Light Truck Center. 앫 Additional turn signals in the exterior rear view mirrors 앫 High mounted brake lamp 앫 Lamps in the exterior rear view mirrors Practical hints Replacing bulbs Have the headlamp adjustment checked regularly by a Mercedes-Benz Light Truck Center. Do not turn the headlamp adjusting screws. If the adjusting screws are turned, the headlamp adjustment must be checked by a Mercedes-Benz Light Truck Center. 335 Practical hints Replacing bulbs Replacing bulbs for front lamps Headlamp unit For vehicles with brush guard*: Fold the brush guard* down before replacing bulbs (컄 page 329). G 55 AMG: Remove the protective grille before replacing the bulbs. Before you start to replace a bulb for a front lamp, do the following first: 왘 Turn the exterior lamp switch to position M (컄 page 110). Left headlamp, right headlamp laterally reversed 1 Securing screw (trim panel) 2 Headlamp trim panel 3 Headlamp 4 Securing screw (headlamp) 336 Headlamp bulbs Practical hints Replacing bulbs 1 Protection cover 2 Electrical connector for parking and standing lamp bulb 3 Electrical connector for high and low beam bulb 4 Retainer spring 5 High and low beam bulb 6 Parking and standing lamp bulb socket Removing 왘 Loosen and remove securing screws 1. 왘 Remove headlamp trim panel 2 and seal. 왘 Loosen and remove headlamp-securing screws 4. 왘 Remove headlamp 3. Installing 왘 Insert headlamp 3 and install and tighten headlamp-securing screws 4. 왘 Install headlamp trim panel 2 and seal. 왘 Install and tighten securing screws 1. 337 Practical hints Replacing bulbs High and low beam bulb 왘 Remove protection cover 1. 왘 Pull off electrical connector 3. 왘 Unclip retainer spring 4. 왘 Remove bulb 5. 왘 Insert the new bulb so that its socket locates in the recess of the lamp housing. 왘 Clip on retainer spring 4. 왘 Plug electrical connector 3 onto bulb 5. 왘 Reinstall protection cover 1. Parking and standing lamp bulb 왘 Pull off electrical connector 2 from bulb socket 6. 왘 Turn bulb socket 6 counterclockwise out of the lamp housing. 왘 Insert a new bulb into bulb socket 6. 왘 Insert bulb socket 6 into the lamp housing and turn clockwise until it engages. 왘 Plug electrical connector 2 onto bulb socket 6. Front fog lamp Right front fog lamp, left front fog lamp laterally reversed 1 Securing screw (trim panel) 2 Front fog lamp trim panel 3 Front fog lamp 338 4 Securing screw (front fog lamp) 5 Adjusting screw (front fog lamp) Removing 왘 Loosen and remove securing screws 1. 왘 Remove front fog lamp trim panel 2 and seal. 왘 Loosen and remove front fog lamp-se- curing screws 4. 왘 Remove front fog lamp 3. Installing 왘 Insert front fog lamp 3 and install and tighten front fog lamp-securing screws 4. 왘 Reinstall seal and front fog lamp trim panel 2. 왘 Install and tighten securing screws 1. Practical hints Replacing bulbs Front fog lamp bulb 6 Electrical connector 7 Retainer spring 8 Bulb socket 왘 Pull off electrical connector 6. 왘 Unclip retainer spring 7. 왘 Pull out bulb socket 8. 왘 Insert the new bulb so that the base locates in the recess on the holder. 왘 Clip in retainer spring 7. 왘 Plug electrical connector 6 together. 339 Practical hints Replacing bulbs Front turn signal lamp G 55 AMG: Remove the protective grille before replacing bulbs. 1 Securing screw 2 Turn signal lens 왘 Loosen and remove securing screws 1. 왘 Remove turn signal lens 2. 340 Side marker lamp The following description applies to both, the front and the rear side marker lamps. 3 Bulb 왘 Press bulb 3 gently into the socket, turn counterclockwise and remove it. 왘 Press new bulb 3 gently into the sock- et and turn clockwise until it engages. 왘 Reinstall turn signal lens 2. 왘 Install and tighten securing screws 1. Do not overtighten securing screws 1. Otherwise turn signal lens 2 could be damaged. Front side marker shown 1 Securing screw 2 Side marker lamp housing 왘 Loosen and remove securing screws 1. 왘 Remove side marker lamp housing 2. 왘 Remove dust cover 3. 왘 Press catch aside and pull out the bulb socket with the bulb from side marker lamp housing 2. 왘 Press gently onto bulb 4 and turn counterclockwise out of its bulb socket. 왘 Press new bulb 4 gently into the bulb socket and turn clockwise until it engages. 왘 Insert the bulb socket back into side marker lamp housing 2. 왘 Reinstall dust cover 3. 왘 Reinstall side marker lamp housing 2. 왘 Install and tighten securing screws 1. Do not overtighten securing screws 1. Otherwise side marker lamp housing 2 could be damaged. Practical hints Replacing bulbs Replacing bulbs for rear lamps Before you start to replace a bulb for a rear lamp, do the following first: 왘 Turn the exterior lamp switch to position M (컄 page 110). Tail lamp unit G 55 AMG: Remove the protective grille before replacing bulbs. 341 3 Dust cover 4 Bulb Practical hints Replacing bulbs 1 Securing screw 2 Tail lamp lens 3 Turn signal lamp bulb 4 Tail lamp bulb 5 Brake lamp bulb 342 Rear fog lamp/Backup lamp 왘 Loosen and remove securing screws 1. 왘 Remove tail lamp lens 2. 왘 Press gently onto respective bulb 3, 4, or 5 and turn counterclockwise out of its bulb socket. 왘 Press the new bulb gently into its bulb socket and turn clockwise until it engages. 왘 Reinstall tail lamp lens 2. 왘 Install and tighten securing screws 1. 1 Securing screw 2 Lamp lens Do not overtighten securing screws 1. Otherwise tail lamp lens 2 could be damaged. 3 Bulb 왘 Loosen and remove securing screws 1. 왘 Remove lamp lens 2. 왘 Press gently onto bulb 3 and turn counterclockwise out of its bulb socket. 왘 Press new bulb 3 gently into the bulb socket and turn clockwise until it engages. 왘 Reinstall lamp lens 2. 왘 Install and tighten securing screws 1. Do not overtighten securing screws 1. Otherwise lamp lens 2 could be dam- aged. License plate lamp 1 Securing screw 2 License plate lamp lens (with bulb socket) Practical hints Replacing bulbs 왘 Loosen and remove securing screws 1. 왘 Remove license plate lamp lens 2. 왘 Replace tubular bulb 3. 왘 Reinstall license plate lamp lens 2. 왘 Install and tighten securing screws 1. Do not overtighten securing screws 1. Otherwise license plate lamp lens 2 could be damaged. 3 Tubular bulb 343 Practical hints Replacing wiper blades Warning! For safety reasons, switch off wipers and re- move SmartKey from starter switch before replacing a wiper blade. Otherwise, the mo- tor could suddenly turn on and cause injury. 344 Never open the hood when the wiper arm is folded forward. Hold on to the wiper when folding the wiper arm back. If released, the force of the impact from the tensioning spring could crack the windshield. Do not allow the wiper arms to contact the windshield glass without a wiper blade inserted. Make certain that the wiper blades are properly installed. Improperly installed wiper blades may cause windshield damage. The wiper with air spoiler should be mounted on the driver’s side For your convenience, you should have this work carried out by an authorized Mercedes-Benz Light Truck Center. Removing wiper blades 왘 Fold the wiper arm forward. 1 Safety tab 2 Wiper blade 3 Wiper arm 4 Attachment link Installing wiper blades 왘 Turn wiper blade 2 at a right angle to wiper arm 3. 왘 Press safety tab 1 of attachment link 4 down and slide wiper blade 2 from the end of wiper arm 3. 왘 Remove wiper blade 2. Practical hints Replacing wiper blades 왘 Guide wiper blade 2 so that opening goes through wiper arm 3. 왘 Press wiper blade 2 into arch of wiper arm 3 until locking spring 1 engages in attachment link 4. 왘 Fold the wiper arm back to rest on the windshield. 345 Information on spare wheel When you replace the vehicle’s tires, you can use the spare wheel as a regular wheel if: 앫 it is not more than six years old 앫 rim and tire are the same model as the regular wheels Warning! G 55 AMG: Vehicles with different tire dimensions on the front and rear axle: rim and tire size of spare wheel and normal wheel differ. Handling will be adversely affected when the spare wheel is used. Warning! Do not exceed the maximum speed of 50 mph (80 km/h). If the spare tire is more than six years old or is not the same model as the regular tires, have the spare tire replaced with a new tire at the nearest Mercedes-Benz Light Truck Center. Never operate the vehicle with more than one spare tire. Practical hints Flat tire Preparing the vehicle 왘 Park the vehicle as far as possible from moving traffic on a hard surface. 왘 Turn on the hazard warning flashers. 왘 Engage the steering wheel lock in the straight ahead position and set the parking brake. 왘 Move the gear selector lever to P. 왘 Have any passenger exit the vehicle at a safe distance from the roadway. 왘 Remove the vehicle tool kit (컄 page 321) and the jack (컄 page 322). 왘 Remove the spare wheel from the spare wheel mounting bracket (컄 page 323). Warning! For your safety, remove spare wheel from the spare wheel mounting bracket before undertaking any further steps. 346 Mounting the spare wheel 왘 Prepare the vehicle (컄 page 346). Lifting the vehicle 왘 Prevent the vehicle from rolling away by blocking wheels with wheel chocks (not included) or other sizable objects. When changing wheel on a level surface: 왘 Place one chock in front of and one be- hind the wheel that is diagonally oppo- site to the wheel being changed. When changing wheel on a hill: 왘 Place chocks on the downhill side blocking both wheels of the other axle. Warning! The jack is designed exclusively for jacking up the vehicle under the axle housing. To help avoid personal injury, use the jack only to lift the vehicle during a wheel change. Never get beneath the vehicle while it is sup- ported by the jack. Keep hands and feet away from the area under the lifted vehicle. Always firmly set parking brake and block wheels before raising vehicle with jack. Do not disengage parking brake while the vehicle is raised. Be certain that the jack is always vertical (plumb line) when in use, es- pecially on hills. Always try to use the jack on level surface. Make sure the jack is posi- tioned correctly under the axle housing. Al- ways lower the vehicle onto sufficient capacity jackstands before working under the vehicle. If the vehicle is not raised as described, it could slip off the jack as a result of vibra- tions (e.g. opening or closing a door or the tailgate). Practical hints Flat tire Wheel wrench 왘 On wheel to be changed, loosen but do not yet remove the wheel bolts (ap- proximately one full turn with wrench). 347 Practical hints Flat tire Pump handle (three pieces) 1 Indent for activation of release bolt 2 왘 Assemble the pump handle for the jack. The pump handle is located in the vehicle tool kit. Jack 2 Release bolt 왘 Close release bolt 2. To do so, turn indent 1 to the right in the pump lever until its stop. Never turn release bolt 2 more than one or two revolutions. Hydraulic fluid can otherwise escape. 왘 Place jack on firm ground. 왘 Position jack under the axle housing, so that it is always vertical (plumb-line) as seen from the side, even if the vehi- cle is parked on an incline. Be certain the jack arm is positioned correctly under the axle housing (axle must fall into jack contour). 왘 Jack up the vehicle by pumping (arrow) until the wheel is clear of the ground. Never start engine while vehicle is raised. 348 Removing the wheel 왘 Remove the wheel bolts. Mounting the new wheel 왘 Clean contact surfaces of wheel and Warning! Practical hints Flat tire Use only genuine equipment Mercedes-Benz wheel bolts. Other wheel bolts may come loose. Do not tighten the wheel bolts when the ve- hicle is raised. Otherwise the vehicle could tip over. Do not place wheel bolts in sand or dirt. This could result in damage to the bolt and wheel hub threads. wheel hub. 왘 Push the wheel onto the wheel hub and press firmly. 왘 Insert wheel bolts and tighten them 왘 Remove the wheel. Warning! Make sure no one is injured when removing the wheel. Grip wheel from the sides. Keep hands from beneath the wheel. slightly. Warning! Always replace wheel bolts that are dam- aged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be re- paired immediately. Do not continue to drive under these circumstances! Contact an au- thorized Mercedes-Benz Light Truck Center or call Roadside Assistance. Incorrect wheel bolts or improperly tight- ened wheel bolts can cause the wheel to come off. This could cause an accident. Make sure to use the correct wheel bolts. 349 Practical hints Flat tire Lowering the vehicle 왘 Using the pump lever, open the lower- ing screw on the jack approximately one turn (컄 page 348). The vehicle is resting fully on its own weight. 왘 Remove the jack. After use, disassemble pump handle (컄 page 348) and store jack in the des- ignated storage compartment (컄 page 322). 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 97 lb-ft (130 Nm). Warning! Have the tightening torque checked after changing a wheel as soon as possible. The wheels could come loose if they are not tightened to a torque of 97 lb-ft (130 Nm). 왘 Press the jack piston in again and close the lowering screw. Store the jack (컄 page 322) and the other vehicle tools (컄 page 321). 왘 After changing the wheel, secure the damaged wheel on the spare wheel mounting bracket (컄 page 324). Make sure the wheel cannot come loose. 왘 Check the tire inflation pressure and correct it if necessary. A table with the tire pressure values for your vehicle is located on the fuel filler flap. 1 - 5 Wheel bolts 350 왔 Battery The battery is located in front of the rear seat bench and below the cup holder Warning! Practical hints Battery Charging the battery Warning! Do not place metal objects on the battery as this could result in a short circuit. 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 247). 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. Use leak-proof battery only to avoid the risk of acid burns in the event of an accident. 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. 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 bat- tery in its installed position. Contact an authorized Mercedes-Benz Light Truck Center for information and availability. Charge battery in accordance with the sepa- rate instructions for the accessory battery charger*. 351 Warning! With a disconnected battery 앫 you will no longer be able to turn the SmartKey in the starter switch 앫 the gear selector lever will remain locked in position P Practical hints Battery Have the battery removed at a Mercedes-Benz Light Truck Center. Disconnecting the battery Have the battery checked regularly by an authorized Mercedes-Benz Light Truck Center. Refer to Maintenance Booklet for main- tenance intervals or contact an autho- rized Mercedes-Benz Light Truck Center for further information. If you charge the battery yourself, make sure to comply with the operating instruc- tions for your battery charger. Never loosen or detach battery termi- nal clamps while the engine is running or the SmartKey is in the starter switch. Otherwise the alternator and other electronic components could be se- verely damaged. 왘 Read and observe safety instructions and precautions (컄 page 351). 왘 Turn off all electrical consumers. 왘 Disconnect the battery negative lead. 왘 Remove the cover from the positive ter- minal. 왘 Disconnect the battery positive lead. 왘 Remove the breather hose from the battery. 352 Reconnecting the battery 왘 Turn off all electrical consumers. 왘 Connect the positive lead and fasten its cover. 왘 Connect the negative lead. Never invert the terminal connections.

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2005 Mercedes-benz G Class Owners Manual