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Currently (USA only) Unavailabl e See (Canada Operator’s only) Manual


(USA only) (Canada only)


EBD, ABS, and ESC Inoperativ e See Operator's Manual


Release Parking Brake


(USA only) (Canada only)


Possible causes/consequences and M Solutions In addition, the yellow ESP® warning lamp d and the yellow ABS indicator lamp ! come on. The brake system still functions normally but due to insufficient power supply, the ABS, the BAS, the ESP®, and the hill-start assist system are unavailable. X Continue driving with added caution. Wheels may lock


during hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


When the voltage is above the required value again, the ABS, the BAS, the ESP®, and the hill-start assist system are operational again and the message should disappear. If the message does not disappear: X Have the alternator and the battery checked. Failure to follow these instructions increases the risk of an accident. In addition, the yellow ESP® warning lamp d and the yellow ABS indicator lamp ! come on. The brake system is still functioning normally but due to a malfunction, the ABS, the BAS, the EBP, and the ESP® are unavailable. X Continue driving with added caution. Wheels may lock


during hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


Failure to follow these instructions increases the risk of an accident. You are driving with the parking brake engaged. In addition an acoustic warning sounds. X Release the parking brake.


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282 Vehicle status messages in the multifunction display


Display messages (USA only) (Canada only)


Check Brake Fluid Level


Possible causes/consequences and M Solutions There is insufficient brake fluid in the reservoir. Risk of accident! X Stop the vehicle in a safe location or as soon as it is safe


to do so.


X Engage the parking brake. X Do not drive any further. X Contact an authorized Mercedes-Benz Center or call


Roadside Assistance.


Do not add brake fluid! This will not solve the problem.


G Warning! Driving with the message Check Brake Fluid Level displayed can result in an accident. Have your brake system checked immediately. Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously 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.


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Safety systems


Display messages ÷ ESC Inoperativ e See Operator's Manual


÷ ESC Currently Unavailabl e See Operator's Manual


Possible causes/consequences and M Solutions In addition, the yellow ESP® warning lamp d comes on. The brake system is still functioning normally but due to a malfunction, the BAS, the ESP®, and the hill-start assist system are unavailable. X Continue driving with added caution. Wheels may lock


during hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


Failure to follow these instructions increases the risk of an accident. In addition, the yellow ESP® warning lamp d comes on. The brake system still functions normally but due to insufficient power supply the BAS, the ESP®, and the hill-start assist system are not available. X Continue driving with added caution. Wheels may lock


during hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


When the voltage is above the required value again, the ESP® is operational again and the message in the multifunction display should disappear. If the message in the multifunction display does not disappear: X Have the alternator and the battery checked. Failure to follow these instructions increases the risk of an accident.


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284 Vehicle status messages in the multifunction display


Display messages ÷ ESC Currently Unavailabl e See Operator's Manual


÷ ESC Currently Unavailabl e See Operator's Manual


G Tele Aid Inoperativ


6 SRS


Malfunctio n Service Required 6 Front


Left SRS Malfunctio n Service Required


Possible causes/consequences and M Solutions In addition, the yellow ESP® warning lamp d comes on. The self-diagnosis may not be completed yet. The brake system is still functioning normally but without the BAS, the ESP®, and the hill-start assist system available. X Drive a short distance with added caution at a vehicle speed


of above 12 mph (20 km/h). When the message disappears, the ESP® is available again.


If the message does not disappear: X Continue driving with added caution. Wheels may lock


during hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


Failure to follow these instructions increases the risk of an accident. If the yellow ESP® warning lamp d flashes while driving and this message appears, the Electronic Traction System (ETS/4-ETS) has switched off to prevent overheating of the drive wheel brakes. As soon as the brakes have cooled off, the Electronic Traction System (ETS/4-ETS) switches on again. The message in the multifunction display disappears and the ESP® warning lamp d goes out. One or more main functions of the Tele Aid system are malfunctioning. X Have the Tele Aid system checked at an authorized


Mercedes-Benz Center.


There is a malfunction in the Supplemental Restraint System (SRS). The air bags or Emergency Tensioning Devices (ETDs) could deploy unexpectedly or fail to activate in an accident. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


Components of the driver’s supplemental restraint system may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


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Possible causes/consequences and M Solutions Components of the front passenger’s supplemental restraint system may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


Components of the left rear passenger’s supplemental restraint system may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


Components of the center rear passenger’s supplemental restraint system may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


Components of the right rear passenger’s supplemental restraint system may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


The left window curtain air bag may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


The right window curtain air bag may not work properly. X Drive with added caution to the nearest authorized


Mercedes-Benz Center.


Display messages 6 Front


6 Rear


Right SRS Malfunctio n Service Required 6 Rear Left SRS Malfunctio n Service Required 6 Rear Center SRS Malfunctio n Service Required Right SRS Malfunctio n Service Required 6 Left Side Curtain Airbag Malfunctio n Service Required 6 Right Side Curtain Airbag Malfunctio n Service Required


G Warning! In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be operational. For your safety, we strongly recommend that you contact 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.


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Vehicle


Display messages


_ Rear Left Backrest Not Latched orRear Right Backrest Not Latched + Key Detected In Vehicle


+ Don’t Forget Your Key


+ Take Your Key From Ignition + Obtain A New Key


Possible causes/consequences and M Solutions The trunk is open. X Close the trunk (Y page 76). You are driving with the hood open. X Stop the vehicle in a safe location as soon as it is safe to


do so.


X Close the hood (Y page 225). There is otherwise danger of an accident. You are driving with at least one door open. The display symbol shows you which doors are open. X Close all doors. The left or right rear seat backrest is not engaged. X Adjust the rear seat backrest until it is fully engaged in


position.


A SmartKey with KEYLESS-GO left in the vehicle was recognized while trying to lock the vehicle from the outside. X Take the SmartKey out of the vehicle. This message appears for a maximum of 60 seconds if the driver’s door is opened with the engine turned off and no SmartKey in the starter switch. This message is only a reminder. X Take the SmartKey with you when leaving the vehicle. You have forgotten to remove the SmartKey. X Remove the SmartKey from the starter switch.


The SmartKey is malfunctioning. X Contact an authorized Mercedes-Benz Center.


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Display messages + Close Doors To Lock Vehicle + Key Does Not Belong to Vehicle + Replace Key Battery + Key Not Detected (message appears in red)


+ Key Not Detected (message appears in red)


+ Key Not Detected (message appears in white)


+ Remove 'Start' Button and Insert Key


Possible causes/consequences and M Solutions You tried to lock the vehicle but not all doors were closed. X Close doors and lock the vehicle again.


The SmartKey in the starter switch does not belong to the vehicle. X Remove the SmartKey from the starter switch.


The batteries in the SmartKey with KEYLESS-GO are discharged. X Replace the batteries (Y page 312). The SmartKey with KEYLESS-GO is not detected while the engine is running because the SmartKey is not in the vehicle. X Stop the vehicle as soon as it is safe to do so. X Engage the parking brake. X Search for the SmartKey.


The vehicle cannot be locked centrally nor can the engine be started again after the engine is stopped.


The SmartKey with KEYLESS-GO is not detected while the engine is running because there is strong radio-frequency interference. X Stop the vehicle as soon as it is safe to do so. X Engage the parking brake. X Remove the KEYLESS-GO button from the starter switch


(Y page 78).


X Operate the vehicle with the SmartKey in the starter switch. The SmartKey with KEYLESS-GO is momentarily not detected. X Change the position of the SmartKey in the vehicle. X If necessary, remove the KEYLESS-GO button from the


starter switch (Y page 78).


X Operate the vehicle with the SmartKey in the starter switch. The KEYLESS-GO system is malfunctioning. X Remove the KEYLESS-GO button from the starter switch


(Y page 78).


X Operate the vehicle with the SmartKey in the starter switch.


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Display messages ¥ Check Washer Fluid D Power Steering Malfunctio See Operator's Manual


Possible causes/consequences and M Solutions The water level has dropped to approximately 1.1 US qts (1.0 l). X Add washer fluid (Y page 228). Power assistance for the steering system is not available. A considerably higher degree of effort is necessary to steer the vehicle. X Check whether you are capable to apply the higher degree


of effort necessary to safely steer the vehicle.


If you are able to steer the vehicle safely: X Continue driving with added caution. X Have the system checked at an authorized Mercedes-Benz


Center.


If, in any way, you feel that you are not able to steer the vehicle safely: X Stop the vehicle in a safe location as soon as it is safe to


do so.


X Apply the parking brake. X Do not continue to drive. X Contact an authorized Mercedes-Benz Center.


Engine


Display messages + Check Coolant Level See Operator's Manual


Possible causes/consequences and M Solutions The coolant level is too low. X Add coolant (Y page 227). X If you have to add coolant frequently, have the cooling


system checked at an authorized Mercedes-Benz Center.


G 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 could 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 engine damage.


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Display messages ? Coolant Low Stop Vehicle! Turn Engine Off


Possible causes/consequences and M Solutions The coolant is too hot. X Stop the vehicle immediately as soon as it is safe to do so. X Turn off the engine immediately. X Engage the parking brake. X Only start the engine again after the message disappears.


You could otherwise damage the engine.


X Observe the coolant temperature gauge in the instrument


cluster.


X If the temperature rises again: Contact an authorized


Mercedes-Benz Center immediately.


During severe operation conditions and stop-and-go city traffic, the coolant temperature may rise close to 248‡ (120†).


G Warning! Driving when your engine is overheated 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 which can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it. Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.


! The engine should not be operated with the coolant temperature above 248‡ (120†). Doing so may cause serious damage which is not covered by the Mercedes-Benz Limited Warranty.


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Display messages ? Coolant Low Stop Vehicle! Turn Engine Off


Possible causes/consequences and M Solutions The poly-V-belt could be broken. X Stop the vehicle immediately as soon as it is safe to do so. X Turn off the engine immediately. X Check the poly-V-belt. X If it is broken: Do not continue to drive. Otherwise the engine will overheat due to an inoperative water pump which may result in damage to the engine. Contact an authorized Mercedes-Benz Center.


X If it is intact: 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.


X Observe the coolant temperature gauge in the instrument


cluster.


X Drive to the nearest authorized Mercedes-Benz Center


immediately.


The radiator cooling fan is malfunctioning. X Observe the coolant temperature gauge in the instrument


cluster. If the coolant temperature is below 248‡ (120†), you may continue driving to an authorized Mercedes-Benz Center. X Avoid placing heavy loads on the engine (e.g. by driving


uphill) as well as stop-and-go traffic.


X Have the fan replaced as soon as possible. The battery is no longer charging. Possible causes: Ralternator malfunctioning Rbroken poly-V-belt Ra malfunction in the electronic system X Stop immediately in a safe location or as soon as it is safe


to do so and check the poly-V-belt.


X If it is broken: Do not continue to drive. Otherwise the engine will overheat due to an inoperative water pump which may result in damage to the engine. Contact an authorized Mercedes-Benz Center.


X If it is intact: Drive to the nearest authorized Mercedes- Benz Center immediately. Adjust driving to be consistent with reduced braking responsiveness.


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Display messages 4 Check Engine Oil At Next Refueling


Possible causes/consequences and M Solutions The engine oil has dropped to a critical level. X Check the engine oil level (Y page 225) and add engine oil


as required (Y page 226).


X If you must add engine oil frequently, have the engine


checked for possible leaks.


If the message Check Engine Oil At Next Refueling appears while the engine is running and at operating temperature, the engine oil level has dropped to approximately the minimum level. The message will be stored in the vehicle status message memory after you have cleared it from the multifunction display. Visually check for oil leaks. If there are no obvious oil leaks, drive to the nearest service station to refill your engine oil to the required level. Display messages 8 Fuel Level Low 8 Gas Cap


Loose


For information on approved engine oils contact an authorized Mercedes-Benz Center or visit www.mbusa.com (USA only). ! 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.


Possible causes/consequences and M Solutions The fuel level has dropped below the reserve mark. X Refuel at the next gas station. 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 leaking. X Check the fuel cap (Y page 222). X If it is not closed properly: Close the fuel cap. X If it is closed properly: Have the fuel system checked at


an authorized Mercedes-Benz Center.


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Lamps


Display messages b Active


Headlamps Inoperativ b Check Left Reverse Lamp orCheck Right Reverse Lamp b Check Left Brake Lamp orCheck Right Brake Lamp b Check Center Brake Lamp


b Check Left Fog Lamp orCheck Right Fog Lamp


Possible causes/consequences and M Solutions The active Bi-Xenon headlamp system is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


The left or right backup lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


The left or right brake lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


The high-mounted brake lamp is malfunctioning. This message will only appear if all LEDs have stopped working. X Contact an authorized Mercedes-Benz Center as soon as


possible.


The left or right front fog lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


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Possible causes/consequences and M Solutions The front left side or right side marker lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


The rear left side or right side marker lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


The left or right front parking lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


The left or right high-beam lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


Display messages b Check Front Left Sidemarker Lamp orCheck Front Right Sidemarker Lamp b Check Rear Left Sidemarker Lamp orCheck Rear Right Sidemarker Lamp b Check Front Left Parking Lamp orCheck Front Right Parking Lamp b Check Left High Beam orCheck Right High Beam


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294 Vehicle status messages in the multifunction display


Display messages b Check Left License Plate Lamp orCheck Right License Plate Lamp b Auto Lamp Function Inoperativ


Possible causes/consequences and M Solutions The left or right license plate lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


The light sensor is malfunctioning. The headlamps come on automatically. X Contact an authorized Mercedes-Benz Center as soon as


possible.


To switch off the headlamps (U.S. vehicles only): X Switch off the daytime running lamp mode in the control


X Switch off the headlamps using the exterior lamp switch


system (Y page 133).


(Y page 90).


(Y page 313).


Benz Center as soon as possible.


X Bi-Xenon headlamp: Contact an authorized Mercedes-


The left or right low-beam lamp is malfunctioning. X Halogen headlamp: Replace the bulb as soon as possible


b Check Left Low Beam orCheck Right Low Beam b Check Rear Left Fog Lamp b Switch Off Lights You have removed the SmartKey from the starter switch, opened the driver’s door and left the headlamps on or removed the SmartKey with KEYLESS-GO from the vehicle and left the headlamps on. X Turn the exterior lamp switch to $ or c


The rear fog lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


(Y page 90).


or X With the rear fog lamp switched on: Push in the exterior


lamp switch to its stop.


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Possible causes/consequences and M Solutions The left or right tail lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


The left or right tail lamp/brake lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


The left or right corner-illuminating front fog lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as


possible.


The left or right rear turn signal lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


Display messages b Check Left Tail Lamp orCheck Right Tail Lamp b Check Left Tail and Brake Lamps orCheck Right Tail and Brake Lamps b Check Left Cornering Light orCheck Right Cornering Light b Check Rear Left Turn Signal orCheck Rear Right Turn Signal


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296 Vehicle status messages in the multifunction display


Display messages b Check Front Left Turn Signal orCheck Front Right Turn Signal b Check Left Mirror Turn Signal orCheck Right Mirror Turn Signal


Tires


Display messages h Tire Press. Warning Caution Tire Malfunctio h Check Tire Pressure


Possible causes/consequences and M Solutions The left or right front turn signal lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 313).


The turn signal in the left or right exterior rear view mirror is malfunctioning. This message will only appear if all LEDs have stopped working. X Contact an authorized Mercedes-Benz Center as soon as


possible.


Possible causes/consequences and M Solutions At least one tire is deflating. X Carefully bring the vehicle to a halt, avoiding abrupt


steering and braking maneuvers.


X If necessary, change the wheel (Y page 317).


The tire inflation pressure in at least one tire is significantly below the reference value. X Carefully bring the vehicle to a halt, avoiding abrupt


steering and braking maneuvers.


X Check and adjust tire inflation pressure as required. X If necessary, change the wheel (Y page 317).


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G Warning! Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving with a flat tire will cause excessive heat build-up and possibly a fire.


G Warning! Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more likely to fail from being overheated. Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear unevenly, increase stopping distance, and result in sudden deflation (blowout) because they are more likely to become punctured or damaged by road debris, potholes etc.


What to do if … Lamps in instrument cluster Notes If any of the following lamps in the instrument cluster fails to come on during the bulb self- check when switching on the ignition, have the respective bulb checked and replaced if necessary.


When you switch on the ignition, all lamps in the instrument cluster come on. The low- beam headlamp indicator lamp, high-beam headlamp indicator lamp, turn signal indicator lamps, and the indicator lamps for the fog lamps will only come on if activated. If a lamp in the instrument cluster fails to come on when the ignition is switched on, have it checked and replaced if necessary.


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Brake


Problem ! The yellow ABS indicator lamp comes on while the engine is running.


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Possible causes/consequences and M Solutions The ABS has detected a malfunction and switched off. The BAS, the ESP®, and the EBP are also switched off. The brake system is still functioning normally but without the systems specified above available. If the ABS control unit is malfunctioning, other systems such as the navigation system or the automatic transmission may also be malfunctioning. X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


X Read and observe messages that may appear in the


multifunction display (Y page 270).


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


! The yellow ABS indicator lamp comes on while the engine is running.


Failure to follow these instructions increases the risk of an accident. The ABS has switched off due to insufficient power supply. The battery might not be charged sufficiently. When the voltage is above the required value again, the ABS is operational again. The ABS indicator lamp should go out. X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


X Read and observe messages that may appear in the


multifunction display (Y page 270).


X If the ABS indicator lamp does not go out: Have the alternator


and the battery checked.


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Problem ! The yellow ABS indicator lamp comes on while the engine is running.


Possible causes/consequences and M Solutions The ABS is temporarily not available. The ESP®, the BAS, and the EBP are also unavailable. The self-diagnosis has not been completed yet. The brake system is still functioning normally but without the systems specified above. The indicator lamp will go out after driving a short distance at a vehicle speed of above 12 mph (20 km/h). If the ABS indicator lamp does not go out: X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


The yellow ABS indicator lamp and the yellow ESP® warning lamp come on while the engine is running and an acoustic warning sounds.


X Read and observe messages that may appear in the


multifunction display (Y page 270).


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


Failure to follow these instructions increases the risk of an accident. The brake system is still functioning normally but due to a malfunction, the ABS, the BAS, the EBP, and the ESP® are unavailable. X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Read and observe messages that may appear in the


multifunction display (Y page 270).


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


Failure to follow these instructions increases the risk of an accident.


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Problem


The red brake warning lamp comes on while driving. In addition, the yellow ABS indicator lamp, and the yellow ESP® warning lamp come on and an acoustic warning sounds.


$ (USA only) J (Canada only) The red brake warning lamp comes on while driving and an acoustic warning sounds. $ (USA only) J (Canada only) The red brake warning lamp comes on while the engine is running.


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Possible causes/consequences and M Solutions The Electronic Brake Proportioning (EBP) switched off due to a malfunction. The ABS, the BAS, and the ESP® are also switched off. The brake system is still functioning normally but without the systems specified above available. X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Adjust driving to be consistent with reduced braking


responsiveness.


X Read and observe messages that may appear in the


multifunction display (Y page 270).


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


Failure to follow these instructions increases the risk of an accident. You are driving with the parking brake engaged. X Release the parking brake.


There is insufficient brake fluid in the reservoir. Risk of accident! X Do not drive any further. Stop the vehicle in a safe location as


soon as it is safe to do so. X Engage the parking brake. X Read and observe messages that may appear in the


multifunction display (Y page 270).


X Contact an authorized Mercedes-Benz Center. Do not add brake fluid! This will not solve the problem.


G Warning! Driving with the brake warning lamp illuminated can result in an accident. Have your brake system checked immediately if the brake warning lamp stays on. Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and


the brake fluid catching fire. You can be seriously 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.


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Safety systems


Problem 7 The red seat belt


telltale comes on for a maximum of 6 seconds after starting the engine.


7 The red seat belt


telltale comes on. In addition you hear a warning chime for a maximum of 6 seconds after starting the engine.


7 The red seat belt


telltale comes on while the vehicle is standing still and the engine is running or while driving.


7 The red seat belt


telltale flashes while driving. In addition, an intermittent warning chime sounds with increasing intensity.


Possible causes/consequences and M Solutions The seat belt telltale reminds you and your passengers to fasten your seat belts before driving off. X Fasten your seat belts. Regardless of whether the seat belts are fastened or not, the seat belt telltale always comes on and remains lit for 6 seconds after starting the engine.


You have forgotten to fasten your seat belt. X Fasten your seat belt.


The warning chime stops sounding.


You and/or your front passenger have forgotten to fasten your seat belts. X Fasten your seat belts.


The seat belt telltale goes out.


There are items placed on the front passenger seat and therefore the system senses the front passenger seat as being occupied. X Remove the items from the front passenger seat and put them


in a safe place. The seat belt telltale goes out.


The vehicle’s speed once exceeded 15 mph (25 km/h) and you and/or your front passenger have forgotten to fasten your seat belts. X Fasten your seat belts.


The seat belt telltale goes out and the warning chime stops sounding.


There are items placed on the front passenger seat and therefore the system senses the front passenger seat as being occupied. X Remove the items from the front passenger seat and put them


in a safe place. The seat belt telltale goes out and the warning chime stops sounding.


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i After 60 seconds with an unfastened seat belt the warning chime stops sounding and the seat belt telltale illuminates continuously. The seat belt telltale will only go out if both, the driver and front passenger’s seat belt are fastened, or the vehicle is standing still and a front door is opened. Problem 6 The red SRS


Possible causes/consequences and M Solutions There is a malfunction in the restraint systems. The air bags or Emergency Tensioning Devices (ETDs) could deploy unexpectedly or fail to activate in an accident. X Drive with added caution to the nearest authorized Mercedes-


indicator lamp comes on while driving.


Benz Center.


G Warning! In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be operational. For your safety, we strongly recommend that you contact 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.


Problem d All models,


except C 63 AMG: The yellow ESP® warning lamp comes on while the engine is running.


d C 63 AMG only: The yellow ESP® warning lamp comes on while the engine is running.


Possible causes/consequences and M Solutions The ESP® has been switched off. Risk of accident! When the ESP® is switched off it will not stabilize the vehicle if the system recognizes that the vehicle starts to skid or that a wheel is spinning. X Switch the ESP® back on. Exceptions: (Y page 63).


X If leaving the ESP® switched off, adapt your speed and driving


to the prevailing road and weather conditions.


X If the ESP® cannot be switched back on: Have the system


checked at an authorized Mercedes-Benz Center as soon as possible.


ESP® SPORT is activated. Risk of accident! When ESP® SPORT is activated it will only stabilize the vehicle to a limited extent if the system recognizes that the vehicle starts to skid or that a wheel is spinning. X Switch the ESP® SPORT off (Y page 64). The message ESP On appears in the multifunction display.


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Problem


å


C 63 AMG only: The yellow ESP® warning lamp and the yellow ESP OFF warning lamp come on while the engine is running.


d All models,


except C 63 AMG: The yellow ESP® warning lamp comes on while the engine is running.


å


C 63 AMG only: The yellow ESP® warning lamp and the yellow ESP OFF warning lamp come on while the engine is running.


Possible causes/consequences and M Solutions The ESP® has been switched off. Risk of accident! When the ESP® is switched off it will not stabilize the vehicle if the system recognizes that the vehicle starts to skid or that a wheel is spinning. X Switch the ESP® back on. Exceptions: (Y page 64).


X If leaving the ESP® switched off, adapt your speed and driving


to the prevailing road and weather conditions.


X If the ESP® cannot be switched back on: Have the system


checked at an authorized Mercedes-Benz Center as soon as possible.


The ESP® is not operational due to a malfunction. Risk of accident! X Read and observe additional messages that may appear in the


multifunction display.


X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Adapt your speed and driving to the prevailing road and weather


conditions.


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


The ESP® is not operational due to a malfunction. Risk of accident! X Read and observe additional messages that may appear in the


multifunction display.


X Continue driving with added caution. Wheels may lock during


hard braking, reducing steering capability.


X Adapt your speed and driving to the prevailing road and weather


conditions.


X Have the system checked at an authorized Mercedes-Benz


Center as soon as possible.


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Problem d The yellow ESP®


warning lamp flashes while driving.


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Possible causes/consequences and M Solutions The ESP® or the ETS/4-ETS has come into operation because of detected traction loss in at least one tire. X When driving off, apply as little throttle as possible. X While driving, ease up on the accelerator pedal. X Adapt your speed and driving to the prevailing road and weather


conditions.


X Do not deactivate the ESP®.


Exceptions: (Y page 63).


Failure to follow these instructions increases the risk of an accident. At least one wheel is spinning and the Electronic Traction System (ETS/4-ETS) has switched off to prevent overheating of the drive wheel brakes. X Read and observe additional messages that may appear in the


multifunction display.


As soon as the brakes have cooled off, the Electronic Traction System (ETS/4-ETS) switches on again. The message in the multifunction display disappears and the ESP® warning lamp d goes out.


Possible causes/consequences and M Solutions The fuel level has gone below the reserve mark. X Refuel at the next gas station.


Vehicle


Problem 8 The yellow fuel


tank reserve warning lamp comes on when the engine is running.


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Engine


Problem


The yellow engine malfunction indicator lamp comes on when the engine is running.


The yellow engine malfunction indicator lamp comes on when the engine is running.


? The red coolant


temperature warning lamp comes on when the engine is running.


Possible causes/consequences and M Solutions There may be a malfunction in Rthe fuel management system Rthe ignition system Rthe emission control system Rsystems which affect emissions Such malfunctions may result in excessive emissions values and may switch the engine to limp-home (emergency operation) mode. X Have the vehicle checked as soon as possible at an authorized


Mercedes-Benz Center.


i Some states may by law require you to visit a workshop as


soon as the engine malfunction indicator lamp comes on. Check local requirements.


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. X Check the fuel cap (Y page 222). X If it is not closed properly: Close the fuel cap. X If it is closed properly: Have the fuel system checked by an


authorized Mercedes-Benz Center.


There is insufficient coolant in the reservoir. If this warning lamp comes on frequently, there is a leak in the cooling system. If the coolant level is correct, the electric radiator fan may be broken. X Immediately add coolant to prevent engine from overheating


(Y page 227).


X Have the cooling system checked. X If the coolant temperature is below 248‡ (120†), you can continue driving to the nearest authorized Mercedes-Benz Center.


X Avoid high engine loads (e.g. driving uphill) and stop-and-go


driving.


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Possible causes/consequences and M Solutions The coolant temperature has exceeded 248‡ (120†). X Stop in a safe location as soon as possible and allow the engine


and coolant to cool down.


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Problem ? The red coolant


temperature warning lamp comes on when the engine is running and an acoustic warning sounds.


G Warning! Driving when your engine is overheated 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 which can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it.


Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.


! The engine should not be operated with


the coolant temperature above 248‡ (120†). Doing so may cause serious damage which is not covered by the Mercedes-Benz Limited Warranty.


Tires


Problem h Combination


low tire pressure telltale/TPMS malfunction telltale for the Advanced TPMS illuminates continuously.


h Combination


low tire pressure telltale/TPMS malfunction telltale for the Advanced TPMS flashes 60
seconds and then stays illuminated.


Possible causes/consequences and M Solutions The Advanced TPMS detects a loss of pressure in at least one tire. X Carefully bring the vehicle to a halt, avoiding abrupt steering and


braking maneuvers. Observe the traffic situation around you.


X Read and observe messages in the multifunction display


(Y page 270).


If the tire inflation pressure in the respective tire(s) has (have) been corrected, the combination low tire pressure/TPMS malfunction telltale goes out after a few minutes of driving. There is a malfunction in the Advanced TPMS. X Read and observe messages in the multifunction display


X Have the Advanced TPMS checked at an authorized Mercedes-


(Y page 270).


Benz Center.


After the malfunction has been remedied, the combination low tire pressure/TPMS malfunction telltale goes out after a few minutes of driving.


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G Warning! Each tire, including the spare (if provided), should be checked at least once a month when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the Tire and Loading Information placard on the driver’s door B- pillar or the tire inflation pressure label on the inside of the fuel filler flap. If your vehicle has tires of a different size than the size indicated on the Tire and Loading Information placard or the tire inflation pressure label, you should determine the proper tire inflation pressure for those tires. As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires are significantly underinflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly underinflated tire causes the tire to overheat and can lead to tire failure. Underinflation also reduces fuel efficiency and tire tread life, and may affect the vehicle’s handling and stopping ability. Please note that the TPMS is not a substitute for proper tire


What to do if … 307


maintenance, and it is the driver’s responsibility to maintain correct tire pressure, even if underinflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale. Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately 1 minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists. When the malfunction indicator is illuminated, the system may not be able to detect or signal low tire pressure as intended. TPMS malfunctions may occur for a variety of reasons, including the installation of incompatible replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly.


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