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Parking Guidance Radar Sensors
Finished
Deactivate d See Operator's Manual
Possible causes/consequences and M Solutions The Advanced Parking Guidance has been canceled because: Rthe vehicle is sliding Rthe bumper became dirty in the area of the sensors Rthere has been a malfunction X Use the Advanced Parking Guidance again later. If the parking space symbol is not shown in the multifunction display at a speed below 10 mph (16 km/h): X Clean the bumpers (Y page 263). or X Restart the engine. or X Contact an authorized Mercedes-Benz Center. Advanced Parking Guidance: The vehicle is in the end position. The display message disappears automatically. You have attempted to activate the DISTRONIC PLUS or the PRE-SAFE® Brake even though you have switched off the radar sensors on the vehicle. X Check if switching on the radar sensors is permitted
X Switch on the radar sensors using the instrument cluster
(Y page 144).
control system.
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Display messages Lane Keeping Assist
Currently Unavailabl e See Operator's Manual
Possible causes/consequences and M Solutions The Lane Keeping Assist is temporarily unavailable. The Lane Keeping Assist is deactivated because: Rthe windshield in front of the camera is dirty Rits function is impaired as a result of heavy precipitation or
fog
Rlane markings are not present for an extended period of
time
Rlane markings are worn, dark, or covered by dirt or snow
for example
The Lane Keeping Assist becomes operational again and the message in the multifunction display disappears when: Rdirt on the windshield has fallen off while driving (e.g. slush
or snow)
Rthe system recognizes full camera availability X If necessary, clean the windshield in front of the camera
(Y page 264).
The Lane Keeping Assist is malfunctioning. X Contact an authorized Mercedes-Benz Center.
Inoperativ
Lane Keeping Assist
Vehicle
Display messages Apply Brake
to Shift from 'P'
Door Open
Vehicle Not in 'P' In addition an acoustic warning sounds.
Possible causes/consequences and M Solutions You have attempted to shift the automatic transmission into drive position D, reverse gear R or neutral position N without depressing the brake pedal. X Depress the brake pedal.
You have opened the driver’s door and the automatic transmission is still in drive position D, reverse gear R or neutral position N. X Before you leave the vehicle, make sure the automatic
transmission is in park position P and the parking brake is engaged.
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Display messages Service Required
Do Not Shift Gears Visit Dealer
Only Shift to 'P' when Vehicle is Stationary Shift to 'P' or 'N'
to Start Engine
Auxiliary Battery
Malfunctio
Tires
Display messages Then Check Tire Restart Pressure Run Flat Indicator
Run Flat Indicator
Inoperativ
Possible causes/consequences and M Solutions In addition an acoustic warning sounds. The automatic transmission cannot be shifted out of the current transmission position because of a malfunction. If the automatic transmission is in drive position D: X Without shifting the automatic transmission out of drive position D, drive to an authorized Mercedes-Benz Center.
If the automatic transmission is set to position neutral position N, reverse gear R or park position P: X Do not drive. X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance.
You have attempted to shift the automatic transmission into park position P although the vehicle was still in motion. X Stop your vehicle as soon as it is safe to do so. X Shift the automatic transmission to park position P.
You have attempted to start the engine with the KEYLESS-GO start/stop button while the automatic transmission was in reverse gear R or drive position D. X Shift the automatic transmission into park position P or
neutral position N. Make sure the brake pedal is depressed.
The backup battery for the automatic transmission is no longer charging. X Contact an authorized Mercedes-Benz Center.
Possible causes/consequences and M Solutions There has been a warning message about a loss in the tire inflation pressure and the tire pressure loss warning system was not restarted yet. X Make sure the correct tire inflation pressure is set for each
tire.
X Then restart the tire pressure loss warning system
(Y page 232).
The tire pressure loss warning system is malfunctioning. X Have the tire pressure loss warning system checked at an
authorized Mercedes-Benz Center.
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Display messages Check Tire Pressure Soon
Possible causes/consequences and M Solutions The tire pressure loss warning system indicates that the tire inflation pressure is too low 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.
Tire pressures will be displayed Tire Press. Monitor Tire Pressure Monitor
after driving a few minutes Inoperativ
Inoperativ e No Wheel Sensors
TirePress. Sensor(s)M
issing
X Check the tires and, if necessary, change the wheel
X Check and adjust tire inflation pressure as required
(Y page 323).
(Y page 231).
X Restart the tire pressure loss warning system after
adjusting the tire inflation pressure values (Y page 232). The tire inflation pressure is being checked by the Advanced TPMS. X Drive the vehicle for a few minutes.
The Advanced TPMS is malfunctioning. X Have the Advanced TPMS checked at an authorized
Mercedes-Benz Center.
There are wheels without appropriate wheel sensors mounted (e.g. winter tires). X Have the Advanced TPMS checked at an authorized
Mercedes-Benz Center.
X Have the appropriate wheel sensors installed at an
authorized Mercedes-Benz Center.
At least one sensor is defect (e.g. battery is empty). The respective tire is indicated by – – instead of the tire inflation pressure in the multifunction display. X Have the Advanced TPMS checked at an authorized
Mercedes-Benz Center.
X Have the wheel sensors installed at an authorized
Mercedes-Benz Center.
At least one wheel without appropriate wheel sensors is mounted (e.g. spare wheel). The respective tire is indicated by – – instead of the tire inflation pressure in the multifunction display. X Have the Advanced TPMS checked at an authorized
Mercedes-Benz Center.
X Have the wheel sensors installed at an authorized
Mercedes-Benz Center.
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Display messages Tire Press. Monitor
Currently Unavailabl
Correct Tire Pressure
Caution Tire Defect
Check Tires
Possible causes/consequences and M Solutions The Advanced TPMS cannot monitor the tire inflation pressure due to a nearby radio interference source or insufficient power supply. As soon as the causes of the malfunction have been rectified, the Advanced TPMS becomes active again automatically after a few minutes of driving. The tire inflation pressure is too low in at least one tire. or The tire inflation pressures of the individual tires differ from each other significantly. The tire inflation pressure values are shown in the multifunction display. X Check and correct tire inflation pressure as required
(Y page 231).
X Restart the Advanced TPMS (Y page 236). At least one tire is deflating. The respective tire is indicated in the multifunction display. X Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers.
X If necessary, change the wheel (Y page 323). The tire inflation pressure in at least one tire is significantly below the reference value. The respective tire is indicated in the multifunction display. 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 323).
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.
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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.
Symbol messages Brake
Display messages # Check Brake Pad Wear
Possible causes/consequences and M Solutions The brake pads have reached their wear limit. X Have the brake pads replaced as soon as possible at an
authorized Mercedes-Benz Center.
! Brake pad thickness must be visually inspected by a qualified technician at the intervals
specified in the Maintenance Booklet.
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Display messages ABS and ESC Inoperativ (USA only) e See Operator’s (Canada Manual only)
(USA only) (Canada only)
ABS and ESC Currently Unavailabl e See Operator’s Manual
Possible causes/consequences and M Solutions In addition, the yellow ESC warning lamp ä, the yellow ESC OFF warning lamp å, 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 BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the PRE-SAFE® system, and the PRE-SAFE® Brake are unavailable. The ATTENTION ASSIST is disabled. 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 ESC warning lamp ä, the yellow ESC OFF warning lamp å, 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 BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the PRE-SAFE® system, and the PRE-SAFE® Brake are unavailable. The ATTENTION ASSIST is disabled. 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 BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the PRE-SAFE® system, and the PRE-SAFE® Brake 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.
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Display messages (USA only) (Canada only)
EBD, ABS, and ESC Inoperativ e See Operator's Manual
Release Parking Brake
Check Brake Fluid Level
(USA only) (Canada only) (USA only) (Canada only)
Possible causes/consequences and M Solutions In addition, the yellow ESC warning lamp ä, the yellow ESC OFF warning lamp å, 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 BAS PLUS, the EBP, the ESC, the HOLD function, the PRE-SAFE® system, and the PRE- SAFE® Brake are unavailable. The ATTENTION ASSIST is disabled. 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.
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
G Tele Aid Inoperativ
6 SRS
Malfunctio n Service Required 6 Front
Left SRS Malfunctio n Service Required 6 Front Right SRS Malfunctio n Service Required
Possible causes/consequences and M Solutions In addition, the yellow ESC warning lamp ä and the yellow ESC OFF warning lamp å come on. The brake system is still functioning normally but due to a malfunction, the BAS, the BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the PRE-SAFE® system, and the PRE-SAFE® Brake are unavailable. The ATTENTION ASSIST is disabled. 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. 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.
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.
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Possible causes/consequences and M Solutions 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.
6 Rear
Display messages 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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Driving systems
Display messages ¨ Vehicle Rising ¨ Vehicle Rising Please Wait ¨ Pull Over Car Too Low
¨ Pull Over Car Too Low
¨ Malfunctio
À Attention Assist Time for a rest?
Possible causes/consequences and M Solutions The vehicle is adjusting to your level selection.
The vehicle level is too low. X Wait until the message disappears from the multifunction
display.
You have started driving although the vehicle level was too low. The vehicle will be raised. X Stop the vehicle as soon as it is safe to do so. X Engage the electronic parking brake. X Wait until the message disappears from the multifunction
display. You may then drive off.
The AIRMATIC is malfunctioning. X Avoid excessive steering maneuvers. The fenders or tires could otherwise be damaged. Listen for scraping noises.
X Do not drive faster than 50 mph (80 km/h). X Drive to the side of the road and select a higher vehicle level
(Y page 163). Depending on the type of malfunction, this may raise the vehicle’s level.
X Contact an authorized Mercedes-Benz Center as soon as
possible.
There is otherwise danger of an accident. The capability of the AIRMATIC system is restricted. This can impair the handling. X Do not drive faster than 50 mph (80 km/h). X Have the vehicle checked at an authorized Mercedes-Benz
Center.
The ATTENTION ASSIST has determined that your concentration has declined considering certain criteria. In addition, an acoustic warning sounds. X Take a rest if required. During long trips, take regular and duly rests that allow you to recover sufficiently.
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Display messages À Attention Assist Inoperativ
Possible causes/consequences and M Solutions The ATTENTION ASSIST is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
Vehicle
Display messages
_ Rear Left Backrest Not Latched orRear Right Backrest Not Latched + Take Your Key From Ignition + Obtain A New Key + Close Doors To Lock Vehicle
Possible causes/consequences and M Solutions The trunk is open. X Close the trunk (Y page 82). 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 224). 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.
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. You tried to lock the vehicle but not all doors were closed. X Close doors and lock the vehicle again.
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Display messages + 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 ¥ Check Washer Fluid
Possible causes/consequences and M Solutions 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 317). 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 86).
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 86).
The KEYLESS-GO system is malfunctioning. X Remove the KEYLESS-GO button from the starter switch
(Y page 86).
X Operate the vehicle with the SmartKey in the starter switch.
The washer fluid in the washer fluid reservoir has fallen below the minimum level. X Add washer fluid (Y page 227).
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Display messages D Power Steering Malfunctio See Operator's Manual
Possible causes/consequences and M Solutions 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 226). 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 224) and add engine oil
as required (Y page 225).
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 Ultra Low- sulfur Diesel Fuel Only
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 is low. X Refuel at the next gas station. The fuel level has dropped below the reserve mark. X Refuel at the next gas station. Vehicles with diesel engine only: The fuel level has dropped below the reserve mark. X Refuel at the next gas station. X Only use commercially available vehicular ULTRA-LOW
SULFUR HIGHWAY DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM).
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 220). 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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Possible causes/consequences and M Solutions
Display messages ¸ Replace
Air Filter The air filter is clogged.
X Have the air filter checked at an authorized Mercedes-Benz
Center.
Center as soon as possible.
There is water in the fuel filter. X Have the water drained at an authorized Mercedes-Benz
! Check Fuel Filter Ø Check Additive See Operator's Manual Ø Remaining Starts: 20 The AdBlue® supply has dropped to the minimum level.
The AdBlue® supply is almost depleted. X Have the AdBlue® tank refilled as soon as possible
(Y page 333). Contact an authorized Mercedes-Benz Center.
X Have the AdBlue® tank refilled immediately (Y page 333).
Contact an authorized Mercedes-Benz Center.
i When the message Remaining Starts: 20 appears in the multifunction display, you can start the engine 20 more times. If you do not add AdBlue®, the engine cannot be started beyond that point. Therefore, fill the AdBlue® tank with
approximately 1 gal (3.79 l) AdBlue® (corresponds to approximately 2 refill containers AdBlue®) or have the AdBlue® tank filled at an authorized Mercedes-Benz Center. After AdBlue® was refilled, the engine can be started again.
Lamps
Display messages b Active
Headlamps Inoperativ b Adaptive Highbeam Assist Inoperativ
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 Adaptive Highbeam Assist is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
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Version: 2.11.8.1300 Vehicle status messages in the multifunction display
Possible causes/consequences and M Solutions The left or right daytime running lamps are malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
The left or right backup lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
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. This message will only appear if all LEDs have stopped working. X Contact an authorized Mercedes-Benz Center as soon as
possible.
The front left side or right side marker lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
Display messages b Check Left Daytime Running Light orCheck Right Daytime Running Light b Check Left Reverse Lamp orCheck Right Reverse Lamp b Check Center Brake Lamp
b Check Left Fog Lamp orCheck Right Fog Lamp b Check Front Left Sidemarker Lamp orCheck Front Right Sidemarker Lamp
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Display messages 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 b Check Left License Plate Lamp orCheck Right License Plate Lamp
Possible causes/consequences and M Solutions The rear left side or right side marker lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
The left or right front parking lamp is malfunctioning. X Halogen headlamp: Replace the bulb as soon as possible
(Y page 318).
X Bi-Xenon headlamp: Contact an authorized Mercedes-
Benz Center as soon as possible.
The left or right high-beam lamp is malfunctioning. X Halogen headlamp: Replace the bulb as soon as possible
(Y page 318).
X Bi-Xenon headlamp: Contact an authorized Mercedes-
Benz Center as soon as possible.
The left or right license plate lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
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Version: 2.11.8.1302 Vehicle status messages in the multifunction display
Display messages b Auto Lamp Function Inoperativ
Possible causes/consequences and M Solutions The light sensor is malfunctioning. The headlamps come on automatically. X Contact an authorized Mercedes-Benz Center as soon as
possible.
b Check Left Low Beam orCheck Right Low Beam b Check Rear Left Fog Lamp b Switch
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 141).
(Y page 97).
The left or right low-beam lamp is malfunctioning. X Halogen headlamp: Replace the bulb as soon as possible
(Y page 318).
X Bi-Xenon headlamp: Contact an authorized Mercedes-
Benz Center as soon as possible.
The rear fog 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.
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
(Y page 97).
or X With the fog lamps switched on: Push in the exterior
lamp switch to its stop.
The left or right tail lamp/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.
b Check Left Tail and Brake Lamps orCheck Right Tail and Brake Lamps
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Version: 2.11.8.1Vehicle status messages in the multifunction display
303
Possible causes/consequences and M Solutions The left or right corner-illuminating lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 318).
The left or right rear turn signal lamp is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
The left or right front turn signal lamp is malfunctioning. X Replace the bulb as soon as possible (Y page 318).
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.
Display messages b Check Left Cornering Light orCheck Right Cornering Light b Check Rear Left Turn Signal orCheck Rear Right Turn Signal b Check Front Left Turn Signal orCheck Front Right Turn Signal b Check Left Mirror Turn Signal orCheck Right Mirror Turn Signal
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Version: 2.11.8.1Tires
Display messages h Tire Press. Warning Caution Tire Malfunctio h Check Tire Pressure
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 323).
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 323).
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.
Possible causes/consequences and M Solutions The brake system is still functioning normally but due to a malfunction, the ABS, the BAS, the BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the PRE-SAFE® system, and the PRE-SAFE® Brake are unavailable. The ATTENTION ASSIST is disabled. 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 272).
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible.
ä å The yellow ESC warning lamp, the yellow ESC OFF warning lamp, and the yellow ABS indicator lamp come on while the engine is running and an acoustic warning sounds.
Failure to follow these instructions increases the risk of an accident. The Electronic Brake Proportioning (EBP) switched off due to a malfunction. The ABS, the BAS, the BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the PRE-SAFE® system, and the PRE-SAFE® Brake are also switched off. The brake system is still functioning normally but without the systems specified above available. The ATTENTION ASSIST is disabled. 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 272).
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 $ (USA only) J (Canada only) The red brake warning lamp comes on while driving.
$ (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 and an acoustic warning sounds.
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Version: 2.11.8.1Possible causes/consequences and M Solutions The brake system is malfunctioning. Braking characteristics may be impaired. 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 272).
X Contact an authorized Mercedes-Benz Center. 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 272).
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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