2003 Mercedes-benz C Class Owners Manual

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왘 When driving off apply as little throttle as possible. 왘 While driving ease up on the accelera- tor. 왘 Adapt your speed and driving to the prevailing road and weather condi- tions. 왘 Do not deactivate the ESP. Exceptions: (컄 page 75). Failure to follow these instructions increases the risk of accidents. 256 Problem - The yellow ABS malfunction indicator lamp comes on while driving. Possible cause The ABS has detected a malfunction and has switched off. The BAS and the ESP are also switched off (see messages in display). The brake system is still functioning normally but without the ABS available. The charging voltage has fallen below 10 volts and the ABS has switched off. 1 The red SRS indicator lamp lights up while driving. There is a malfunction in the restraint sys- tems. The airbags or emergency tensioning device (ETDs) could deploy unexpectedly or fail to activate in an accident. Practical hints What to do if … Suggested solution 왘 Continue driving with added caution. Wheels may lock during hard braking reducing steering capability. 왘 Have the system checked at an autho- rized Mercedes-Benz Center as soon as possible. Failure to follow these instructions in- creases the risk of an accident. 왘 When the voltage is above this value again, the ABS is operational again. 왘 If necessary, have the generator and battery checked. 왘 Drive with added caution to the nearest authorized Mercedes-Benz 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 Center immediately to have the system checked; otherwise the SRS may not be activated when needed in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and unnecessarily which could result in an accident and/or injury to you or to others. 257 Practical hints What to do if … Problem 3 (Canada only) ; (USA only) The red brake warning lamp lights up while driving and you hear a warning sound. The red brake warning lamp lights up while driving. Possible cause You are driving with the parking brake set. Suggested solution 왘 Release the parking brake (컄 page 51). There is insufficient brake fluid in the reservoir. 왘 Risk of accident! Carefully stop the vehicle and notify an authorized Mercedes-Benz Center. Do not add brake fluid! This will not solve the problem. If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark or below, have the brake system checked for brake pad thickness and leaks. Warning! Driving with the brake warning lamp illumi- nated can result in an accident. Have your brake system checked immediately if the brake warning lamp stays on. Don’t add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can result in spilling brake fluid on hot en- gine parts and the brake fluid catching fire. You can be seriously burned. 258 Problem ? The yellow “CHECK ENGINE” malfunction indicator lamp comes on while driving. Possible cause There is a malfunction in: 앫 The fuel management system 앫 The ignition system 앫 The emission control system 앫 Systems which affect emissions Such malfunctions may result in excessive emissions values and may switch the engine to its limp-home (emergency operation) mode. The fuel cap is not closed tight. Your gas tank is empty. < The red seat belt warning lamp blinks for a brief period after starting the engine. The warning lamp reminds you to fasten seat belts. Practical hints What to do if … Suggested solution 왘 Have the vehicle checked as soon as possible by an authorized Mercedes-Benz Center. An on-board diagnostic connector is used by the service station to link the vehicle to the shop diagnostics sys- tem. It allows the accurate identifica- tion of system malfunctions through the readout of diagnostic trouble codes. It is located in the front left area of the footwell next to the park- ing brake pedal. 왘 Check the fuel cap. 왘 After refuelling start the engine three or four times in succession. The limp-home mode is canceled. You do not need to have your vehicle checked. 왘 Fasten your seat belt. The yellow fuel tank reserve warning lamp lights while driving. The fuel level has gone below the reserve mark. 왘 Refuel at the next gas station (컄 page 233). 259 Practical hints What to do if … Lamp in center console Problem 7 The indicator lamp lights up. 7 The indicator lamp does not light up with a BabySmartTM child seat properly installed on the front passenger seat. 260 Possible cause A BabySmartTM child seat is installed on the front passenger seat. Therefore the front passenger airbag is switched off. The system is malfunctioning when there is no BabySmartTM child seat installed on the front passenger seat. The system is malfunctioning. Suggested solution 왘 Have the system checked as soon as possible by an authorized Mercedes-Benz Center. 왘 Make sure that there is nothing be- tween seat cushion and child seat and check installation of the child seat. 왘 If the light remains out, have the sys- tem checked as soon as possible by an authorized Mercedes-Benz Center. Do not use the BabySmartTM restraint to transport children on the front pas- senger seat until the system has been repaired. Warning! All categories of messages contain impor- tant information which should be taken note of and, where a malfunction is indicated, ad- dressed as soon as possible at an autho- rized Mercedes-Benz Center. Failure to repair condition noted may cause damage not covered by the Mercedes-Benz Limited Warranty, or result in property dam- age or personal injury. Warning! No messages will be displayed if either the instrument cluster or the multifunction display is inoperative. Contact your nearest authorized Mercedes-Benz Center. Messages in the display The control system shows warning and malfunction messages in the multifunction display. Certain warning and malfunction messag- es are accompanied by an audible signal. Address these messages accordingly and follow the additional instructions given in this Operator’s Manual. Selecting the malfunction memory menu in the control system (컄 page 118) displays both cleared and uncleared messages. High-priority messages appear in the multifunction display in red color. Certain messages of high priority cannot be cleared from the multifunction display using the reset knob. Other messages of high priority and messages of less immediate priority can be cleared from the multifunction display using the reset knob (컄 page 22) and are then stored in the malfunction message memory (컄 page 118). Practical hints What to do if … Turning the key in starter switch to position 2, causes all lamps as well as the multifunction display to come on. Ensure that they are all in working order before starting your journey. On the pages that follow, you will find a compilation of all the messages that may appear in the display. 261 Practical hints What to do if … Display ABS SYSTEM VISIT WORKSHOP! Possible cause The ABS has detected a malfunction and has switched off. The ESP and the BAS are also deactivated. The brake system is still functioning normally but without the ABS available. DISPLAY DEFECTIVE VISIT WORKSHOP! The ABS or the ABS display is malfunctioning. BRAKE ASSIST NOT AVAILABLE! The charging voltage has fallen below ten volts and the BAS has switched off. BAS 262 Suggested solution 왘 Continue driving with added caution. Wheels will lock in hard braking reducing steering capability. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. 왘 Continue driving with added caution. Wheels will lock in hard braking reducing steering capability. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. 왘 When the voltage is above this value again, the BAS is operational again. 왘 If necessary, have the generator and battery checked. Display BAS BRAKE ASSIST VISIT WORKSHOP! Possible cause The BAS has detected a malfunction and switched off. The brake system is still functioning normally but without the BAS available. DISPLAY DEFECTIVE VISIT WORKSHOP! The BAS or the BAS display is malfunctioning. BATTERY/ALTERNATOR VISIT WORKSHOP! The battery was charged with a battery charger or jump started. Practical hints What to do if … Suggested solution 왘 Continue driving with added caution. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. 왘 Continue driving with added caution. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. 왘 Have the battery checked at a service station. 263 Practical hints What to do if … Display BATTERY/ALTERNATOR VISIT WORKSHOP! Possible cause The battery is no longer charging. Possible causes: 앫 alternator malfunctioning 앫 broken poly-V-belt Suggested 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 result in damage to the engine. Notify an authorized Mercedes-Benz Center. If it is intact: 왘 Drive immediately to the nearest authorized Mercedes-Benz Center. ! (Canada only) PARKING BRAKE RELEASE PARKING BRAKE! You are driving with the parking brake set. 왘 Release the parking brake (컄 page 51). ; (USA only) 264 Practical hints What to do if … Display 3 (Canada only) ; (USA only) BRAKE PAD WEAR VISIT WORKSHOP! Possible cause The brake pads have reached their wear limit. Suggested solution 왘 Have the brake pads replaced as soon as possible. BRAKE FLUID VISIT WORKSHOP! There is insufficient brake fluid in the reservoir. Warning! Driving with this message displayed can re- sult in an accident. Have your brake system checked immediately. Don’t add brake fluid before checking the brake system. Overfill- ing the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be se- riously burned. If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark or below, have the brake system checked for brake pad thickness and leaks. 왘 Risk of accident! Stop the vehicle and notify an authorized Mercedes-Benz Center. Do not add brake fluid! This will not solve the problem. Brake pad thickness must be visually checked by a qualified technican at the intervals specified in the Service booklet. 265 Practical hints What to do if … Display COOLANT CHECK LEVEL! Possible cause The coolant level is too low. Suggested solution 왘 Add coolant (컄 page 238). 왘 If you have to add coolant frequently, have the cooling system checked by an authorized Mercedes-Benz Center. Warning! Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn if it comes into contact with hot engine parts. You can be seriously burned. 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 major en- gine damage. 266 Display 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). 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 engine 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 it cools down. Practical hints What to do if … Suggested solution 왘 Stop the vehicle and turn off the engine. 왘 Only start the engine again after the message disappears. You could other- wise damage the engine. 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. 267 Practical hints What to do if … Display Ï COOLANT STOP, ENGINE OFF! Possible cause The poly-V-belt could be broken. COOLANT VISIT WORKSHOP! The cooling fan for the coolant is malfunctioning. 268 Suggested 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 result in damage to the engine. Notify an authorized Mercedes-Benz Center. If it is intact: 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. 왘 Have the fan replaced as soon as possible. Display ESP ESP NOT AVAILABLE! Possible cause The ESP is deactivated because of a malfunction or interrupted power supply. The ABS might not be operational. The self-diagnosis has not been completed. The charging voltage has fallen below ten volts and the ESP has switched off. Practical hints What to do if … Suggested solution 왘 With vehicle stationary and the engine running, turn the steering wheel completely to the left and then to the right to synchronize the ESP. If the ESP message does not go out: 왘 Continue driving with added caution. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. The display will clear itself after driving a short distance at more than 12 mph (20 km/h). 왘 When the voltage is above this value again, the ESP is operational again. 왘 If necessary, have the generator and battery checked. 269 Practical hints What to do if … Display ESP ESP VISIT WORKSHOP! Possible cause The ESP is deactivated because of a malfunction. DISPLAY DEFECTIVE VISIT WORKSHOP! The ESP or the ESP display is malfunctioning. ENGINE OIL LEVEL STOP, ENGINE OFF! There is no oil in the engine. There is a danger of engine damage. ENGINE OIL LEVEL CHECK LEVEL! ENGINE OIL LEVEL REDUCE OIL LEVEL! The engine oil level is too low. You have added too much engine oil. There is a risk of damaging the engine or the catalytic converter. 270 Suggested solution 왘 Continue driving with added caution. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. 왘 Continue driving with added caution. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of accident. 왘 Carefully bring the vehicle to a halt as soon as possible. 왘 Turn off the engine. 왘 Add engine oil. 왘 Check the engine oil level (컄 page 236) and add oil as required. 왘 Have oil siphoned. Observe all legal requirements with respect to its disposal. Display ENGINE OIL VISIT WORKSHOP! Possible cause The engine oil has dropped to a critical level. Practical hints What to do if … Suggested solution 왘 Check the engine oil level (컄 page 236) and add oil as required. 왘 If you must add engine oil frequently, have the engine checked for possible leaks. ENGINE OIL LEVEL VISIT WORKSHOP! There is water in the oil. The measuring system is malfunctioning. 왘 Have the measuring system checked 왘 Have the oil checked. by an authorized Mercedes-Benz Center. When the ENGINE OIL LEVEL – CHECK LEVEL! message appears while the engine is running and at operating temperature, the engine oil level has dropped to approx- imately the minimum mark on the dipstick. When this occurs, the warning will first come on intermittently and then stay on if the oil level drops further. If no oil leaks are noted, continue to drive to the nearest service station where the engine oil should be topped to the “full” mark on the dipstick with an approved oil. 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. 271 Practical hints What to do if … RESERVE FUEL VISIT FILLING STATION! DOOR OPEN! HOOD OPEN! TRUNK OPEN! REPLACE KEY VISIT WORKSHOP! AUTOM. LIGHT ON REMOVE KEY! LAMP SENSOR VISIT WORKSHOP! Possible cause The fuel level has dropped below the reserve mark. You are attempting to drive with one or more doors open. You are driving with the hood open. This message will appear whenever the trunk lid is open. No additional code available for SmartKey. You have forgotten to remove the key. Suggested solution 왘 Refuel at the next gas station (컄 page 233). 왘 Close the doors. 왘 Close the hood (컄 page 235). 왘 Close the trunk lid. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 왘 Remove the key from the starter switch. The lamp sensor is malfunctioning. The headlamps switch on automatically. 왘 In the control system, set lamp operation to manual (컄 page 119). 왘 Switch on headlamps using the exterior lamp switch. LOW BEAM, L CHECK LAMPS! LOW BEAM, R CHECK LAMPS! DISPLAY DEFECTIVE VISIT WORKSHOP! The left low beam lamp is malfunctioning. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. The right low beam lamp is malfunctioning. The display for the lamps or the system is malfunctioning. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. Display Ê 272 Display Practical hints What to do if … TURN SIGNAL, LR CHECK LAMPS! TURN SIGNAL, RR CHECK LAMPS! TURN SIG. IN MIRROR L CHECK LAMPS! TURN SIG. IN MIRROR R CHECK LAMPS! TURN SIGNAL, LF CHECK LAMPS! TURN SIGNAL, RF CHECK LAMPS! BRAKE LAMP VISIT WORKSHOP! BRAKE LAMP, L CHECK LAMPS! BRAKE LAMP, R CHECK LAMPS! Possible cause The left rear turn signal lamp is malfunctioning. The right rear turn signal lamp 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. The left front turn signal lamp is malfunctioning. The right front turn signal lamp is malfunctioning. Brake lamp illumination is delayed or lamp is permanently on. The left brake lamp is malfunctioning. Suggested solution 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. 왘 Have the LEDs replaced as soon as possible. 왘 Have the LEDs replaced as soon as possible. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. The right brake lamp is malfunctioning. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 273 Practical hints What to do if … 3RD BRAKE LAMP CHECK LAMPS! HIGH BEAM, L CHECK LAMPS! HIGH BEAM, R CHECK LAMPS! LICENSE PLATE LAMP, L CHECK LAMPS! LICENSE PLATE LAMP, R CHECK LAMPS! FRONT FOGLAMP, L CHECK LAMPS! FRONT FOGLAMP, R CHECK LAMPS! REAR FOGLAMP CHECK LAMPS! REVERSE LAMP, L CHECK LAMPS! REVERSE LAMP, R CHECK LAMPS! Display 274 Center as soon as possible. 왘 Replace the bulb as soon as possible. Suggested solution 왘 Visit an authorized Mercedes-Benz Possible cause The high mounted brake lamp is malfunctioning. The left high beam lamp is malfunctioning. The right high beam lamp is malfunctioning. The left license plate lamp is malfunctioning. The right license plate lamp is malfunctioning. The left front fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. 왘 Replace the bulb as soon as possible. The right front fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The rear fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The left backup lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The right backup lamp is malfunctioning. 왘 Replace the bulb as soon as possible. Display TAIL LAMP, L CHECK LAMPS! SUBSTITUTE LAMP ON! TAIL LAMP, R CHECK LAMPS! SUBSTITUTE LAMP ON! SIDE MARKER LAMP, LF CHECK LAMPS! SUBSTITUTE LAMP ON! SIDE MARKER LAMP, RF CHECK LAMPS! SUBSTITUTE LAMP ON! AUTOM. LIGHT ON REMOVE KEY! LIGHTS TURN OFF LAMPS! SEAT BELT SYSTEM VISIT WORKSHOP! DRIVER’S SEAT BELT FASTEN SEAT BELT! Practical hints What to do if … Possible cause The left tail lamp is malfunctioning. A backup bulb is being used. Suggested solution 왘 Visit an authorized Mercedes-Benz Center as soon as possible. The right tail lamp is malfunctioning. A backup bulb is being used. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 왘 Visit an authorized Mercedes-Benz The left parking lamps are malfunctioning. A backup bulb is being used. The right parking lamps are malfunctioning. A backup bulb is being used. Key in the starter switch position 1 or 2. 왘 Remove key from the starter switch. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. Center as soon as possible. This display appears if the driver’s door is opened with the engine shut off and no key in the starter switch. The seat belt system is malfunctioning. The display reminds you and your passengers to fasten seat belts. 왘 Insert key in the starter switch. 왘 Switch off lights. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 왘 Fasten the seat belts. 275 Practical hints What to do if … Display PASSENGER SEAT BELT FASTEN SEAT BELT! STEERING WHEEL ADJUST LOCK! POWER STEERING FLUID VISIT WORKSHOP! Possible cause The display reminds you and your passengers to fasten seat belts. The steering column is not properly locked . The steering gear oil level is too low. There is a danger of steering gear damage. Suggested solution 왘 Fasten the seat belts. 왘 Lock steering column (컄 page 37). 왘 Have the system checked by an authorized Mercedes-Benz Center. Warning! If the level of steering gear oil in reservoir is too low, the steering power assistance could fail. Much greater effort will then be needed to turn the steering wheel. Do not add steering oil without checking the steering system. Do not drive the vehicle. Have the system checked at your authorized Mercedes-Benz Center as soon as possible. 276 Display ì Warning! TELE AID VISIT WORKSHOP! FUNCTION NOT AVAILABLE! RESTRAINT SYSTEM VISIT WORKSHOP! 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 Center immediately to have the system checked; otherwise the SRS may not be activated when needed in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and unnecessarily which could also result in injury. Possible cause One or more main functions of the Tele Aid system* are malfunctioning. This display appears if button ì or í on the multifunction steering wheel is pressed and the vehicle is not equipped with a telephone*. The system is malfunctioning. Practical hints What to do if … Suggested solution 왘 Have the Tele Aid system* checked by an authorized Mercedes-Benz Center. 왘 Drive with added caution to the nearest authorized Mercedes-Benz Center. 277 Practical hints What to do if … Display ± UNDERVOLTAGE ENGINE ON! UNDERVOLTAGE SWITCH CONSUMERS OFF! VISIT WORKSHOP! DISPLAY DEFECTIVE VISIT WORKSHOP! DISPLAY DEFECTIVE WASHER FLUID CHECK LEVEL! 278 Possible cause The battery has insufficient voltage and can no longer supply the convenience functions such as seat heater*. The battery is malfunctioning. The instrument cluster display is malfunctioning. 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. Suggested solution 왘 Start the engine (컄 page 44). 왘 Have the battery checked at a service station. 왘 Continue driving with added caution. 왘 Visit an authorized Mercedes-Benz Center as soon as possible. 왘 Have the electronic systems checked by an authorized Mercedes-Benz Center (컄 page 259). 왘 Add washer fluid (컄 page 241). Practical hints Where will I find ...? Vehicle tool kit Removing the vehicle tool kit The following is included: 앫 Vehicle tool kit 앫 Towing eye bolt 앫 Wheel wrench 앫 Alignment bolt 앫 Vehicle jack 앫 Wheel bolts 앫 Special fuse extractor 앫 Spare fuses Vehicles with full size tire spare wheel The vehicle tool kit is stored in the space underneath the trunk floor in the storage tray (컄 page 281). Vehicles with Minispare wheel 왘 Lift up the trunk floor cover. 왘 Loosen retaining screw 1 in the middle of storage well casing 2. 왘 Remove storage well casing 2. Where will I find ...? First aid kit The first aid kit is stored in the trunk on the left side secured by a velcro strap. 왘 Unfasten velcro strap. 왘 Remove first aid kit. Check expiration dates and contents for completeness at least once a year and replace missing/expired items. 1 Retaining screw 2 Storage well casing 컄컄 279 Practical hints Where will I find ...? 왘 Remove vehicle tool kit storage well Vehicle jack casing 5. Warning! The jack is designed exclusively for jacking up the vehicle at the jack take-up brackets built into both sides of the vehicle. 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 supported 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, especially on hills. Always try to use the jack on level surface. Make sure that the jack arm is fully seated in the jack take-up bracket. Always lower the vehicle onto sufficient capacity jackstands before working under the vehicle. 3 Arrow 4 Minispare wheel 5 Vehicle tool kit storage well casing 6 Vehicle tool kit Wheel wrench Vehicle jack Arrow 3 on vehicle tool kit storage well casing 5 must point in the direction of travel. Otherwise you cannot place the storage well casing on top and secure the Minispare wheel with retaining screw 1 (컄 page 279). 280 Vehicles with full size tire spare wheel The vehicle jack is stored in the space underneath the trunk floor together with the vehicle tool kit in the storage tray (컄 page 281). Vehicles with Minispare wheel The vehicle jack is stored in the space underneath the trunk floor together with the vehicle tool kit in the vehicle tool kit storage well casing (컄 page 279). Storage position 왘 Remove the vehicle jack from its compartment. 컄컄 왘 Push the crank handle up. Spare wheel Practical hints Where will I find ...? Your vehicle is equipped with either a spare wheel with full size tire or a Minispare wheel. Full size spare tire has marking “205/55 R16” or “225/45 R17” on sidewall. Minispare has marking “T 125/90 R16” on sidewall. Identify the spare tire in your vehicle and follow appropriate instructions. Vehicles with full size tire spare wheel The spare wheel is located in the compartment underneath the trunk floor. 왘 Lift trunk floor cover and engage trunk floor handle in upper edge of trunk. Operational position 왘 Turn the crank handle clockwise until it engages (operational position). Before storing the vehicle jack in its compartment: 앫 The vehicle jack should be fully collapsed. 앫 The handle must be folded in (storage position). 1 Tool kit 2 Spare wheel 3 Storage tray Removing the spare wheel 왘 Remove tool kit 1. 왘 Turn storage tray 3 counterclockwise. 왘 Remove spare wheel 2. 281 Practical hints Where will I find ...? Storing the spare wheel 왘 Place spare wheel 2 in wheel well. 왘 Turn storage tray 3 clockwise to its stop to secure the spare wheel. 왘 Insert toolkit 1. To prevent damage, always disengage trunk floor handle from upper edge of trunk and lower trunk floor before closing the trunk lid. 282 Spare wheel bolts 1 Wheel bolt for light alloy rims 2 Wheel bolt for steel rims Wheel bolts 2 must be used when mounting steel wheel rim. The use of any wheel bolts other than wheel bolts 2 for steel wheel rims can cause physical damage to the vehicle. Warning! Be sure to use the original length wheel bolts when remounting the original wheel after it has been repaired. Vehicles with Minispare wheel The Minispare wheel is located in the compartment underneath the trunk floor. 1 Vehicle tool kit Wheel wrench Jack 2 Arrow 3 Minispare wheel 4 Vehicle tool kit storage well casing Removing the Minispare wheel 왘 Lift trunk floor cover and engage trunk floor handle in upper edge of trunk. 왘 Loosen the retaining screw (컄 page 279) in the middle of storage well casing. 왘 Remove the storage well casing. 왘 Remove vehicle tool kit storage well casing 4. 왘 Remove Minispare wheel 3. Storing the Minispare wheel 왘 Place Minispare wheel 3 in wheel well. 왘 Place vehicle tool kit storage well casing 4 over the Minispare wheel. Be sure that the arrow 2 on storage well casing 4 points in the direction of travel. 왘 Place storage well casing (컄 page 279) over the vehicle tool kit storage well casing 4 and turn the retaining screw (컄 page 279) clockwise to its stop to secure the Minispare wheel. The arrow 2 on vehicle tool kit storage well casing 4 must point in the direction of travel, otherwise you cannot place the storage well casing (컄 page 279) on top and secure the Minispare wheel with the retaining screw (컄 page 279). To prevent damage, always disengage trunk floor handle from upper edge of trunk and lower trunk floor before closing the trunk lid. Practical hints Where will I find ...? Warning! The dimensions of the Minispare wheel are different from those of the road wheels. As a result, the vehicle handling characteristics change when driving with a Minispare wheel mounted. The Minispare wheel should only be used temporarily, and should be replaced with a regular road wheel as quickly as possible. 283 Practical hints Where will I find ...? In the case of a flat tire, you may temporarily use the Minispare wheel when observing the following restrictions: 앫 Do not exceed a vehicle speed of 50 mph (80 km/h). 앫 Drive to the nearest tire repair facility to have the flat tire repaired or replaced as appropriate. 앫 Do not operate vehicle with more than one Minispare wheel mounted. 284 Minispare wheel bolts Warning! Be sure to use the original length wheel bolts when remounting the original wheel after it has been repaired. 1 Wheel bolt for light alloy rims 2 Wheel bolt for Minispare wheel or other steel rims Wheel bolts 2 must be used when mounting the Minispare wheel. The use of any wheel bolts other than wheel bolts 2 for the Minispare wheel can cause physical damage to the vehicle. Practical hints Unlocking/locking in an emergency Unlocking/locking in an emergency Unlocking the vehicle 왘 Move locking tab 1 in direction of ar- row and slide the mechanical key 2 out of the housing. In case of a malfunction in the central lock- ing system you can unlock the trunk sepa- rately (컄 page 91). Unlocking the driver’s door If you are unable to unlock the driver’s door using the SmartKey, open the door using the mechanical key. 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 key in the starter switch. 3 Unlocked 4 Locked 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 3. 1 Mechanical key locking tab 2 Mechanical key 285 i When changing batteries, always re- place both batteries. The required replacement batteries are available at any Mercedes-Benz Center. Practical hints Unlocking/locking in an emergency Locking the vehicle Changing batteries 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 trunk. 왘 Press the central locking switch in the cockpit (컄 page 92). 왘 Check to see whether the locking knobs on the passenger doors are still visible. If necessary push them down manually. 왘 Lock the driver’s door with the me- chanical key (컄 page 285). 왘 Check if the trunk is locked. If neces- sary lock the trunk with the mechanical key (컄 page 90). 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 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. 286 SmartKey Fuel filler flap Practical hints Unlocking/locking in an emergency 3 Battery 4 Contact spring 왘 Remove the batteries. 왘 Using a lint-free cloth, insert new bat- teries under the contact spring with the plus (+) side facing up. 왘 Return battery compartment into hous- ing until it locks into place. 왘 Open trunk lid. 왘 Fold away right-side tail lamp trim. 왘 Reach inside through opening 2. 왘 Turn release knob 1 clockwise (arrow). The fuel filler flap can now be opened. 1 Mechanical key 2 Battery compartment Replacement batteries: Lithium, type CR 2025 or equivalent. 왘 Remove mechanical key 1 (컄 page 285). 왘 Insert the mechanical key in side open- ing and push gray slide. The battery compartment 2 is un- latched. 왘 Pull the battery compartment 2 out of the key housing in direction of arrow. 287 Practical hints Unlocking/locking in an emergency The selector lever is locked again when moving it to position P. 왘 Open the storage compartment in front of the center armrest (컄 page 205). 왘 Release coin holder 1 (e.g. using a small coin). 왘 Swing coin holder 1 aside. 왘 Insert a tool 2 (e.g. flat blade screw- driver) into the opening. 왘 Perform the following two steps simul- taneously: 왘 Push the tool down. 왘 Move selector lever from position P. 왘 Reinstall the coin holder 1 after remov- ing the tool 2 from the opening. Manually unlocking the transmission selector lever In the case of power failure the transmis- sion selector lever can be manually un- locked, e.g. to tow the vehicle. 1 Coin holder 2 Tool 288 Opening/closing in an emergency Sliding/pop-up roof* You can open or close the sliding/pop-up roof manually should an electrical malfunc- tion occur. The sliding/pop-up roof drive is located behind the lens 1 of the interior overhead light. 왘 Pry of lens 1 using a flat blade screw- driver. Practical hints Opening/closing in an emergency 왘 Slide both locking tabs 2 in direction of arrow. 왘 Lower rear of cover and remove. 왘 Remove cover. Do not disconnect electrical connec- tors. 왘 Obtain crank 3. 왘 Insert crank 3 through hole. 왘 Turn crank 3 clockwise to: 앫 slide roof closed 앫 raise roof at the rear 왘 Turn crank 3 counterclockwise to: 앫 slide roof open 앫 lower roof at the rear The sliding/pop-up roof must be resyn- chronized after being operated manually (컄 page 192). 289 Practical hints Replacing bulbs 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 your autho- rized Mercedes-Benz Center for headlamp adjustment. Backup bulbs will be brought into use when the following lamps malfunction: 앫 Standing lamps 앫 Tail lamps 앫 Rear fog lamp 290 Bulbs Front lamps Lamp 1 Additional turn signal lamps Type LED 2 Turn signal lamp 1156 A Halogen Turn signal lamp Bi-Xenon* 3 Low beam Halogen Low and high beam 4 High beam Parking and standing lamps 5 Fog lamp 6 Side marker lamp 2357 A H7 (55 W) Bi-Xenon* H7 (55 W) W 5 W HB4/9006 (55 W) W 5 W Rear lamps Lamp 7 High mounted brake lamp 8 Brake lamp 9 Turn signal lamp 10 Backup lamp 11 Tail, parking, standing and side marker lamp Type LED P 21 W PY 21 W P 21 W R 5 W 12 License plate lamps C 5 W 13 Rear fog lamp, P 21 W driver’s side Notes on bulb replacement Warning! Keep bulbs out of reach of children. Bulbs and bulb sockets can be very hot. Al- low the lamp to cool down before changing a bulb. 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. Because of high voltage in Xenon lamps, it is dangerous to replace the bulb or repair the lamp and its components. We recommend that you have such work done by a qualified technician. Practical hints Replacing bulbs 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. 앫 Always use a clean lint-free cloth when handling bulbs. 앫 Your hands should be dry and free of oil and grease. 앫 If the newly installed bulb does not light up, visit an authorized Mercedes-Benz Center. 앫 Have the LEDs and bulbs for the follow- ing lamps replaced by an authorized Mercedes-Benz Center: 앫 Additional turn signal lamps in the exterior rear view mirrors 앫 High mounted brake lamp 앫 Xenon lamps 앫 Front fog lamps 291 Practical hints Replacing bulbs Replacing bulbs for front lamps Halogen headlamps 4 Low beam headlamp bulb 5 High beam headlamp bulb 6 Bulb socket for parking and standing lamp bulb Low and high beam bulb 왘 Switch off the lights. 왘 Open the hood (컄 page 235). 왘 Press the clamp and remove headlamp cover 2 or 3. 왘 Pull electrical connector off. 왘 Unclip the retainer springs and take out the bulb. 1 Bulb socket for turn signal lamp 2 Headlamp cover for high beam head- lamp, parking and standing lamp 3 Headlamp cover for low beam head- lamp 292 왘 Insert the new bulb so that the base locates in the recess on the holder. 왘 Clip the retainer springs and plug the connector onto the bulb. 왘 Align headlamp cover 2 or 3 and click into place. Front turn signal lamp bulb 왘 Switch off the lights. 왘 Open the hood (컄 page 235). 왘 Twist bulb socket 1 counterclockwise and pull out. 왘 Push bulb into socket, turn counter- clockwise and remove. 왘 Insert new bulb in socket, push in and twist clockwise. 왘 Reinsert bulb socket in lamp and twist clockwise. Parking and standing lamp bulb 왘 Switch off the lights. 왘 Open the hood (컄 page 235). 왘 Press the clamp and remove headlamp cover 2. 왘 Pull out the bulb socket 6 with the bulb. 왘 Pull the bulb out of the bulb socket. 왘 Insert a new bulb in the socket. 왘 Reinstall the bulb socket. 왘 Align headlamp cover 2 and click into place. Bi-Xenon* headlamps Warning! Do not remove the cover 3 for the Bi-Xenon headlamp. Because of high voltage in Bi-Xenon lamps, it is dangerous to replace the bulb or repair the lamp and its compo- nents. We recommend that you have such work done by a qualified technician. 1 Bulb socket for turn signal lamp 2 Headlamp cover for high beam head- lamp, parking and standing lamp 3 Headlamp cover for Bi-Xenon lamp Practical hints Replacing bulbs 4 High beam headlamp bulb 5 Bayonet socket for high beam headlamp bulb 6 Bulb socket for parking and standing lamp bulb High beam bulb 왘 Switch off the lights. 왘 Open the hood (컄 page 235). 왘 Press the clamp and remove headlamp cover 2. 왘 Pull electrical connector 4 off. 컄컄 293 Practical hints Replacing bulbs 왘 Twist bayonet socket 5 counterclock- 왘 Insert new bulb in socket, push in and Side marker lamp bulb wise to the stop (do not remove). twist clockwise. 왘 Pull the bulb out of the socket. 왘 Insert the new bulb so that the base locates in the recess in the bayonet socket 5. 왘 Twist bayonet socket clockwise until you hear it snap into place. 왘 Plug the connector onto the bulb. 왘 Align headlamp cover 2 and click into place. Front turn signal lamp bulb 왘 Switch off the lights. 왘 Open the hood (컄 page 235). 왘 Twist bulb socket 1 counterclockwise and pull out. 왘 Push bulb into socket, turn counter- clockwise and remove. 왘 Reinsert bulb socket in lamp and twist clockwise. Parking and standing lamp bulb 왘 Switch off the lights. 왘 Open the hood (컄 page 235). 왘 Press the clamp and remove headlamp cover 2. 왘 Pull out the bulb socket 6 with the bulb. 왘 Pull the bulb out of the bulb socket. 왘 Insert a new bulb in the socket. 왘 Reinstall the bulb socket. 왘 Align headlamp cover 2 and click into place. 294 왘 Switch off the lights. 왘 Carefully slide lamp towards rear. 왘 Remove front end first. 왘 Twist bulb socket counterclockwise and pull out. 왘 Pull bulb out of the bulb socket. 왘 Insert new bulb in socket. 왘 Reinstall bulb socket, push in and twist clockwise. 왘 To reinstall lamp, set rear end in bumper and let front end snap into place. Practical hints Replacing bulbs Replacing bulbs for rear lamps License plate lamp Tail lamp assemblies 왘 Switch off lights. 왘 Open trunk lid. 1 Locking lever 왘 Fold trim to the side. 왘 Turn locking lever 1 to vertical position and remove bulb carrier. 2 Rear fog lamp, driver’s side 3 Back up lamp 4 Stop lamp 5 Turn signal lamp 6 Tail, parking, standing and side marker lamp 1 Screw 왘 Switch off the lights. 왘 Loosen both screws 1 and remove lamp. 왘 Gently push bulb into socket, turn 왘 Replace the tubular lamp and reinstall counterclockwise and remove. lamp. 왘 Insert new bulb and turn clockwise. 왘 Reinstall bulb socket. 왘 Reinstall bulb holder and close trim panel. 왘 Retighten the screws. 295 Practical hints Replacing wiper blades Replacing wiper blades Warning! For safety reasons, remove key from starter switch before replacing a wiper blade, other- wise the motor could suddenly turn on and cause injury. Removing 왘 Fold wiper arm forward. 왘 Press safety tab down 2. 왘 Push wiper blade downward 1 and re- move. 296 Replacing wiper blade inserts Installing 왘 Slide wiper blade onto wiper arm until it locks in place. Never open the hood when the wiper arm is folded forward. 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. For your convenience, we recommend that you have this work carried out by an authorized Mercedes-Benz Center. 왘 Place wiper blade on firm support. 왘 Press down both tabs. 왘 Slide (direction of arrow) the wiper blade insert out of the retainer claws. 왘 Slide (direction of arrow) the new wiper blade insert into retainer claws until tabs are engaged. Flat tire Preparing the vehicle Mounting the spare wheel 왘 Park the vehicle as far as possible from 왘 Prepare the vehicle as described under moving traffic on a hard surface. "Preparing the vehicle" on this page. 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 selector lever to P (manual transmission to first or reverse gear). 왘 Have any passenger exit the vehicle at a safe distance from the roadway. 왘 Take the spare wheel out of the trunk as described on (컄 page 281) (full size tire spare wheel) or (컄 page 282) (Minispare wheel). 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 behind the wheel that is diagonally opposite 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. 왘 Take the two-piece wheel wrench and the jack out of the trunk (컄 page 279). Assemble wheel wrench. Practical hints Flat tire Warning! The jack is designed exclusively for jacking up the vehicle at the jack take-up brackets built into both sides of the vehicle. 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 supported 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 that the jack arm is fully seated in the jack take-up bracket. Always lower the vehicle onto suffi- cient capacity jackstands before working under the vehicle. 컄컄 297 Practical hints Flat tire The jack take-up brackets are located di- rectly behind the front wheel housings and in front of the rear wheel housings. 왘 Place jack on firm ground. 왘 Position jack 1 under the take-up bracket 2 so that it is always vertical

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2003 Mercedes-benz C Class Owners Manual