front passenger seat is of a greater weight than actually present.
X Keep the seat unoccupied, close the passenger door and
switch on the ignition.
Monitor the 42 indicator lamp right of the instrument cluster (Y page 44) and the multifunction display in the instrument cluster (Y page 29) for the following: With the seat unoccupied and the ignition switched on, Rthe message Front Passenger Airbag Enabled See Oper. Manual or the message Front Passenger Airbag Disabled See Oper. Manual should not appear in the multifunction display at any time the seat is unoccupied. Wait at least 60 seconds for the system to complete the necessary check cycles and to make sure neither message appears in the multifunction display.
If above conditions are met, you can occupy the front
passenger seat again. Depending on the front passenger
classification sensed by the OCS, the 42
indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
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G Warning! If the 42 indicator lamp remains out even after performing the above corrective steps, do not have any children 12 years old and under and other small individuals use the front passenger seat until the system has been repaired.
Display messages Front Passenger Airbag Disabled See Oper. Manual
Possible causes/consequences and X Solutions The front passenger front air bag is deactivated while driving even though an adult or someone larger than a small individual is occupying the front passenger seat. Forces acting on the seat may make the system sense a decrease in weight. X Stop the vehicle in a safe location as soon as possible. X Engage the electronic parking brake. X Switch off the ignition. X Have the front passenger vacate the seat and exit the
vehicle.
X Keep the seat unoccupied, close the passenger door and
switch on the ignition.
Monitor the 42 indicator lamp right of the instrument cluster (Y page 44) and the multifunction display in the instrument (Y page 29) cluster for the following: With the seat unoccupied and the ignition switched on, Rthe 42 indicator lamp right of the instrument cluster should illuminate and remain illuminated, indicating that the OCS (Y page 41) has deactivated the front passenger front air bag. Rthe message Front Passenger Airbag Enabled See Oper. Manual or the message Front Passenger Airbag Disabled See Oper. Manual should not appear in the multifunction display at any time the seat is unoccupied. Wait at least 60 seconds for the system to complete the necessary check cycles and to make sure neither message appears in the multifunction display.
If above conditions are met, you can occupy the front
passenger seat again. Depending on the front passenger
classification sensed by the OCS, the 42
indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
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G Warning! If the 42 indicator lamp remains illuminated with an adult occupant on the front passenger seat even after performing the above corrective steps, do not have any passenger use the front passenger seat until the system has been repaired.
Driving systems
Display messages ABC
Malfunctio n Stop Vehicle
ABC
ABC
ABC
Malfunctio n Stop Vehicle
Malfunctio n Stop Vehicle
Malfunctio
Possible causes/consequences and X Solutions You have started driving although the vehicle level is still too low. The vehicle is being raised. The ABC message goes out after a few seconds. X Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Wait until the message disappears from the multifunction
display. You may then drive off.
The vehicle is losing oil. The ABC message appears continuously. X Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the electronic parking brake. X Call Roadside Assistance. or X Contact an authorized Mercedes-Benz Center. The ABC is malfunctioning. The ABC message appears continuously. X Do not turn steering wheel too far to avoid damaging the
front fenders.
X Listen for scraping noises. X Do not drive faster than 50 mph (80 km/h). X Contact an authorized Mercedes-Benz Center as soon as
possible.
The capability of the ABC system is restricted. This can impair handling. X Do not drive faster than 50 mph (80 km/h). X Contact an authorized Mercedes-Benz Center as soon as
possible.
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Display messages ABC
Vehicle Rising Please Wait Briefly
Cruise Control
Cruise Control
Inoperativ
- - - mph
Possible causes/consequences and X Solutions The vehicle’s level is too low while at a standstill. The vehicle will be raised. X Do not drive off. X Wait until the message disappears from the multifunction
display. You may then drive off.
The cruise control is malfunctioning. X Have the cruise control checked at an authorized
Mercedes-Benz Center.
One of the activation conditions for cruise control has not been fulfilled. You may have attempted to set a speed below 20 mph (30 km/h). X Drive faster than 20 mph (30 km/h) if the situation allows
and set the speed.
X Check the activation conditions for cruise control
(Y page 302).
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Display messages DISTRONIC PLUS
Currently Unavailabl e See Oper. Manual
Possible causes/consequences and X Solutions The DISTRONIC PLUS is temporarily unavailable. The DISTRONIC PLUS is deactivated because: Rthe DISTRONIC PLUS cover in the radiator grille is dirty Rits function is impaired as a result of heavy precipitation Rthe radar sensor system is temporarily inoperative due to
electromagnetic interference near television and radio transmitter stations, toll stations, speed measuring systems, etc.
Rthe radar sensors do not sense any other vehicles or objects, i.e. road sign or similar to this, for a long time Rthe system is out of the operating temperature range Rthe battery voltage is insufficient X If necessary, clean the DISTRONIC PLUS cover in the
radiator grille (Y page 406).
X Restart the vehicle. X Try activating the DISTRONIC PLUS again later. X Wait until the system is within the operating temperature
range or the battery recovers.
The DISTRONIC PLUS becomes operational again without the engine being restarted when: Rdirt on the radiator grille has fallen off while driving (e.g.
slush or snow)
Rthe system recognizes full sensor availability (due to
lessening rain or the road surface drying)
Rthe message in the multifunction display disappears
The DISTRONIC PLUS is malfunctioning. The BAS PLUS and the PRE-SAFE® Brake are also not available. X Contact an authorized Mercedes-Benz Center as soon as
possible.
You have accelerated. The DISTRONIC PLUS has switched off. X Stop accelerating.
DISTRONIC PLUS
Inoperativ
DISTRONIC PLUS
Override
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Display messages DISTRONIC PLUS
- - - mph
HOLD
Off
Park Assist
Currently Unavailabl e See Oper. Manual
Park Assist
Inoperativ
Possible causes/consequences and X Solutions One of the activation conditions for the DISTRONIC PLUS has not been fulfilled. You may have attempted to set a speed below 20 mph (30 km/h). X Drive faster than 20 mph (30 km/h) if the situation allows
and set the speed.
X Check the activation conditions for the DISTRONIC PLUS
(Y page 309).
The HOLD function switched off because the vehicle was sliding, for example on a slippery surface. X Activate the HOLD function later. The Park Assist is deactivated because the area around the sensors in the front or the rear bumper is dirty. X Clean the front and rear bumper (Y page 406). The Park Assist is deactivated because the battery voltage is insufficient. X Have the battery checked at an authorized Mercedes-Benz
Center.
The Park Assist is switched off because the radar sensor system is temporarily inoperative due to electromagnetic interference near television and radio transmitter stations, toll stations, speed measuring systems, etc. X Wait until the message in the multifunction display
disappears.
The Park Assist is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
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Display messages Blind Spot Assist
Currently Unavailabl e See Oper. Manual
Blind Spot Assist Parking Guidance
Inoperativ
Currently Unavailabl e See Oper. Manual
Possible causes/consequences and X Solutions The Blind Spot Assist is deactivated because the area around the sensors in the front or the rear bumper is dirty. X Clean the front and rear bumper (Y page 406). The Blind Spot Assist is deactivated because the battery voltage is insufficient. X Have the battery checked at an authorized Mercedes-Benz
Center.
The Blind Spot Assist is switched off because the radar sensor system is temporarily inoperative due to electromagnetic interference near television and radio transmitter stations, toll stations, speed measuring systems, etc. X Wait until the message in the multifunction display
disappears.
The Blind Spot Assist is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
The Advanced Parking Guidance is deactivated because the area around the sensors in the front or the rear bumper is dirty. X Clean the front and rear bumper (Y page 406). The Advanced Parking Guidance is deactivated because the battery voltage is insufficient. X Have the battery checked at an authorized Mercedes-Benz
Center.
The Advanced Parking Guidance is switched off because the radar sensor system is temporarily inoperative due to electromagnetic interference near television and radio transmitter stations, toll stations, speed measuring systems, etc. X Wait to see if the interference is temporary. Try in a location
where the interfering source might not be present.
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Display messages Parking Guidance
Canceled
Parking Guidance Radar Sensors
Finished
Deactivate d See Oper. Manual
Vehicle
Display messages Apply Brake
to Shift from 'P'
Door Open
Vehicle Not in Park
Possible causes/consequences and X 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 406). 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, the Park Assist 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 216).
control system.
Possible causes/consequences and X 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 electronic parking brake is engaged.
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Display messages Service Required
Do Not Shift Gears
Only Shift to Position 'P' When Vehicle Is Stationary Shift to P or N
Auxiliary Battery (message appears in white) Auxiliary Battery (message appears in red)
to Start Engine
Malfunctio
Malfunctio
Possible causes/consequences and X Solutions 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. X Engage the electronic parking brake.
You have attempted to start the engine 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.
The backup battery for the automatic transmission is discharged. In case of failure of the on-board electrical system, you may not be able change transmission positions. X Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the electronic parking brake. X Do not drive any further. X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance.
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Display messages in ... Next days Service X in ... mls (km) Due
Service X
Service X Exceeded
by X days by XXX mls (km)
Possible causes/consequences and X Solutions The specified maintenance service must be carried out within the remaining time range or driving distance (Y page 402). X Have the maintenance service carried out at an authorized
Mercedes-Benz Center.
The specified maintenance service must be carried out (Y page 402). X Have the maintenance service carried out at an authorized
Mercedes-Benz Center as soon as possible.
The specified maintenance service term has been exceeded (Y page 402). X Have the maintenance service carried out at an authorized
Mercedes-Benz Center as soon as possible.
! Failure to have the vehicle maintained in accordance with the Maintenance Booklet and maintenance service indicator at the
designated times/mileage will result in vehicle damage not covered by the Mercedes-Benz Limited Warranty.
Tires
Display messages Tire Pressures
Tire Pressure Monitor Tire Pressure Monitor
Displayed After Driving A Few Minutes Inoperativ
Inoperativ e No Wheel Sensors
Possible causes/consequences and X Solutions 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 appropriate wheel sensors installed at an
authorized Mercedes-Benz Center.
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Display messages Wheel Sensor(s)
Missing
Tire Pressure Monitor
Currently Unavailabl
Tire Pressure Please Rectify
Caution Tire Defect
Possible causes/consequences and X Solutions 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.
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 377).
X Restart the Advanced TMPS (Y page 380). 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 465).
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Display messages Check Tires
Possible causes/consequences and X Solutions 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 465).
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.
Symbol messages Brake
Display messages # Check Brake Pad Wear
Possible causes/consequences and X 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 Oper. (Canada Manual only)
(USA only) (Canada only)
ABS and ESC Currently Unavailabl e See Oper. Manual
Possible causes/consequences and X Solutions In addition, the yellow ESC warning lamp ÷, 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 Adaptive Brake Lights, the PRE-SAFE® system, and the PRE-SAFE® Brake 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 ESC warning lamp ÷, the yellow ESC OFF warning lamp å, and the yellow ABS indicator lamp ! come on. The brake system is still functioning normally but temporarily the ABS, the BAS, the BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the Adaptive Brake Lights, the PRE-SAFE® system, and the PRE-SAFE® Brake are unavailable. The self-diagnosis may not be completed yet. X Drive a short distance with added caution at a vehicle speed
of above 12 mph (20 km/h). When the message disappears, the ESC 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.
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Display messages ABS and ESC Currently (USA only) Unavailabl e See (Canada Oper. only) Manual
(USA only) (Canada only)
EBR, ABS, and ESC Inoperativ e See Oper. Manual
Possible causes/consequences and X Solutions In addition, the yellow ESC warning lamp ÷, 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 Adaptive Brake Lights, the PRE-SAFE® system, and the PRE-SAFE® Brake 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 BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the Adaptive Brake Lights, 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. In addition, the yellow ESC warning lamp ÷, the yellow ESC OFF warning lamp å, and the yellow ABS indicator lamp ! come on and an acoustic warning sounds. 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 Adaptive Brake Lights, the PRE- SAFE® system, and the PRE-SAFE® Brake 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.
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Display messages (USA only) (Canada only)
Please Release Parking Brake
Please Release Parking Brake
(USA only) (Canada only)
Possible causes/consequences and X Solutions In addition, the red indicator lamp for the electronic parking brake flashes and an acoustic warning sounds. You are driving with the electronic parking brake engaged, or you are carrying out an emergency brake maneuver with the electronic parking brake (Y page 288). X Release electronic parking brake. or X Drive off carefully. or X Release the handle for electronic parking brake. In addition, the red indicator lamp for the electronic parking brake flashes, the yellow warning lamp for the electronic parking brake comes on and an acoustic warning sounds. The electronic parking brake is malfunctioning. The braking effect is reduced. While driving: X Release the handle for electronic parking brake. While at a standstill: X Switch off ignition and press handle for electronic parking
brake until the warning message disappears from the multifunction display.
(USA only) (Canada only)
Turn On the Ignition to Release the Parking Brake
If the warning message does not disappear: X Shift the automatic transmission to park position P
(Y page 291).
X Protect vehicle from rolling away while parked by using the
collapsible wheel chock from the vehicle tool kit (Y page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible.
In addition, the red indicator lamp for the electronic parking brake comes on. You have tried to release the electronic parking brake, but the ignition was not switched on. X Switch on the ignition.
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Display messages (USA only) (Canada only)
Parking Brake See Oper. Manual
Parking Brake See Oper. Manual
(USA only) (Canada only)
Possible causes/consequences and X Solutions In addition, the yellow warning lamp for the electronic parking brake comes on. The red indicator lamp for the electronic parking brake may also come on. The electronic parking brake is malfunctioning. To release: X Pull handle of electronic parking brake. or X Drive off carefully. X Contact an authorized Mercedes-Benz Center as soon as
possible. To engage: X Switch off the ignition X Press handle for electronic parking brake for at least
10 seconds until the warning message in the multifunction display disappears.
If the warning message does not disappear: X Shift the automatic transmission to park position P
(Y page 291).
X Protect vehicle from rolling away while parked by using the
collapsible wheel chock from the vehicle tool kit (Y page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible.
In addition, the red indicator lamp for the electronic parking brake flashes. The power supply for the electronic parking brake was interrupted. X Pull handle of electronic parking brake. or X Drive off carefully. or X Press handle for electronic parking brake until the warning
message in the multifunction display disappears.
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Display messages (USA only) (Canada only)
Parking Brake See Oper. Manual
Possible causes/consequences and X Solutions In addition, the red indicator lamp for the electronic parking brake flashes and the yellow warning lamp for the electronic parking brake comes on. The electronic parking brake is malfunctioning. X Switch ignition off and back on again, and engage or release
electronic parking brake.
Parking Brake See Oper. Manual
(USA only) (Canada only)
or X Drive off carefully. X Contact an authorized Mercedes-Benz Center as soon as
possible.
When you engage or release the electronic parking brake, the red indicator lamp for the electronic parking brake flashes for approximately 10 seconds. Afterward, it goes out or comes on continuously. The yellow warning lamp for the electronic parking brake comes on. The electronic parking brake is malfunctioning or overheated for example due to overvoltage or undervoltage. X Drive off carefully. X Contact an authorized Mercedes-Benz Center as soon as
possible.
In the event of overvoltage or undervoltage: X Remove the cause of the overvoltage or undervoltage, e.g.
charge the battery or restart the engine.
X Switch ignition off and back on again, and engage or release
electronic parking brake.
If the electronic parking brake still cannot be released: X Contact an authorized Mercedes-Benz Center as soon as
possible.
If overheated: X Let vehicle cool down, and do not engage electronic parking
brake during this time.
or X Switch ignition off and back on again, and engage or release
electronic parking brake.
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Display messages (USA only) (Canada only)
Parking Brake Inoperativ
Possible causes/consequences and X Solutions When you engage or release the electronic parking brake, the red indicator lamp for the electronic parking brake flashes and goes out after approx. 10 seconds. The yellow warning lamp for the electronic parking brake comes on. The electronic parking brake is malfunctioning. X Switch ignition off and back on again, and engage or release
electronic parking brake.
Service See Oper. Manual
Check Brake Fluid Level
(USA only) (Canada only)
(USA only) (Canada only)
If the electronic parking brake cannot be engaged: X Shift the automatic transmission to park position P
(Y page 291).
X Protect vehicle from rolling away while parked by using a
chock from the vehicle tool kit (Y page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible.
CL 600 and CL 65 AMG only: The brake system sensors are malfunctioning. The brake system continues to function normally with full brake force boost. X Continue driving with added caution. X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible.
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 ÷ Inoperativ
e See Oper. Manual
÷ Currently Unavailabl e See Oper. Manual
Possible causes/consequences and X Solutions In addition, the yellow ESC warning lamp ÷ 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 Adaptive Brake Lights, the PRE-SAFE® system, and the PRE-SAFE® Brake 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 ESC warning lamp ÷ and the yellow ESC OFF warning lamp å come on. The brake system is still functioning normally but without the BAS, the BAS PLUS, the ESC, the hill-start assist system, the HOLD function, the Adaptive Brake Lights, the PRE-SAFE® system, and the PRE-SAFE® Brake 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 ESC 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.
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Display messages ÷ Currently Unavailabl e See Oper. 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 6 Rear Left SRS Malfunctio n Service Required Right SRS Malfunctio n Service Required
6 Rear
Possible causes/consequences and X Solutions If the yellow ESC warning lamp ÷ 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. The BAS PLUS and the PRE-SAFE® Brake are also not available. 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 ESC warning lamp ÷ 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.
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 right rear 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 X Solutions 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 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.
Driving systems
Display messages ¨ Vehicle Rising Please Wait Briefly ¨ STOP Car Too Low
Possible causes/consequences and X Solutions Vehicles with AIRMATIC: 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.
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Display messages ¨ STOP Car Too Low
Possible causes/consequences and X Solutions The AIRMATIC is malfunctioning. X Avoid excessive steering maneuvers. The fenders or tires could otherwise be damaged. Listen for scraping noises. X Stop and press the vehicle level control switch to select a
higher vehicle level (Y page 317).
X Do not drive faster than 50 mph (80 km/h). X Contact an authorized Mercedes-Benz Center as soon as
possible.
¨ Malfunctio
Á Night View Assist Inoperativ Á Night View Assist Currently Unavailabl
Á Night View Assist Lights Must Be Set to AUTO or ON Á Night View Assist Not In Reverse Gear
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 Night View Assist is malfunctioning. X Contact an authorized Mercedes-Benz Center as soon as
possible.
The temperature of the Night View Assist camera is too high (Y page 333). X Wait until the message Night View Assist Available Again appears. In addition you can: X Swing the camera cover down (Y page 407). X Adjust the air distribution of the climate control so that air
flows upward (Y page 195).
You have tried to switch on Night View Assist, but the exterior lamp switch is not set to c or L. X Turn the exterior lamp switch to c or L
(Y page 275).
You have tried to switch on Night View Assist while the automatic transmission was in reverse gear R. X Shift the automatic transmission to park position P, neutral
position N or drive position D (Y page 291).
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Display messages Á Night View Assist Lights ON or AUTO, Not in R Gear Á Night View Assist Only When It Is Dark
Vehicle
Display messages
_ Lock Seat Backrest Front Left orLock Seat Backrest Front Right
Possible causes/consequences and X Solutions You have tried to switch on Night View Assist, but the exterior lamp switch is not set to c or L. In addition, the automatic transmission is in reverse gear R. X Turn the exterior lamp switch to c or L
(Y page 275).
X Shift the automatic transmission to park position P, neutral
position N or drive position D (Y page 291).
You have tried to switch on Night View Assist by daylight. You can only switch on Night View Assist when it is dark.
Possible causes/consequences and X Solutions The trunk is open. X Close the trunk (Y page 258). 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 369). 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 driver or front passenger seat backrest is not engaged. The driver’s or front passenger’s seat belt can not secure the driver or passenger. X Fold back and push the seat backrest until the seat cushion and seat backrest audibly engage into the driving position.
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Display messages E Shift to P You have attempted to turn off the engine with the KEYLESS-
Possible causes/consequences and X Solutions
GO start/stop button and opened the driver’s door with the automatic transmission not shift to park position P. X Shift the automatic transmission to park position P
 Key
Detected In Vehicle
 Don’t Forget Your Key
 Take Your Key From Ignition  Obtain a New Key  Close Doors to Lock Vehicle  Key Does Not Belong to Vehicle  Replace Key Battery
(Y page 291).
or X Close the driver’s door. 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 with KEYLESS-GO must be replaced. 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.
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 461).
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Display messages  Key Not Detected (message appears in red)
 Key Not Detected (message appears in red)
 Key Not Detected (message appears in red)
 Key Not Detected (message appears in white)
 Key Being Initialize d… Please Wait
 Remove 'Start' Button and Insert Key ¥ Check Washer Fluid
Possible causes/consequences and X Solutions 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 electronic 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 electronic parking brake. X Remove the KEYLESS-GO button from the starter switch
(Y page 263).
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 263).
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 263).
X Operate the vehicle with the SmartKey in the starter switch. The SmartKey with KEYLESS-GO is being initialized in the vehicle. X Wait until the message disappears from the multifunction
display.
The KEYLESS-GO system is malfunctioning. X Remove the KEYLESS-GO button from the starter switch
(Y page 263).
X Operate the vehicle with the SmartKey in the starter switch.
The water level has dropped to approximately 1.1 US qts (1.0 l). X Add washer fluid (Y page 372).
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Engine
Display messages + Check Coolant Level See Oper. Manual
Possible causes/consequences and X Solutions The coolant level is too low. X Add coolant (Y page 372). 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.
Display messages ? Coolant Low Stop Vehicle Turn Engine Off
Possible causes/consequences and X Solutions The coolant is too hot. X Stop the vehicle immediately as soon as it is safe to do so.