Driving systems
Display messages | Possible causes/consequences and
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Based on specific criteria, ATTENTION ASSIST has determined that
the driver is tired or paying less attention. A warning tone also
sounds.![]() During long journeys, take regular breaks in good time so you get enough rest. |
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ATTENTION ASSIST has failed.![]() |
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The HOLD function is deactivated. The vehicle is skidding. A warning tone also sounds. ![]() |
The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled. A warning tone also sounds. ![]() |
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The radar sensor system is deactivated.![]() |
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Lane Keeping Assist or Active Lane Keeping Assist is deactivated
and temporarily inoperative if: • the windshield is dirty in the camera's field of vision. • visibility is impaired due to heavy rain, snow or fog. • there are no lane markings for a longer period. • the lane markings are worn, dark or covered, for example by dirt or snow. Lane Keeping Assist or Active Lane Keeping Assist is operational again and the display message disappears if: • the dirt (e.g. slush) drops away while the vehicle is in motion. • the system recognizes that the camera is fully operational again. If the display message continues to be displayed: ![]() |
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Lane Keeping Assist or Active Lane Keeping Assist is defective.![]() |
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Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative if: • the sensors are dirty. • its function is impaired due to heavy rain or snow. • the radar sensor system is outside the operating temperature range. • the radar sensor system is temporarily inoperative, e.g. due to electromagnetic radiation emitted by nearby TV or radio stations or other sources of electromagnetic radiation. The yellow ![]() Blind Spot Assist or Active Blind Spot Assist is operational again and the display message disappears if: • the dirt (e.g. slush) drops away while the vehicle is in motion. • the system detects that the sensors are fully available again. • the radar sensor system is back within the operating temperature range. If the display message continues to be displayed: ![]() ![]() |
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Blind Spot Assist or Active Blind Spot Assist is defective. The yellow ![]() ![]() |
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Parking Guidance is malfunctioning.![]() If the display message continues to be displayed: ![]() |
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Parking Guidance has been deactivated because: • the vehicle is skidding. • the sensors are dirty. • a malfunction has occurred. A warning tone also sounds. ![]() If the parking space symbol is not displayed in the multifunction display when you are driving at a speed of less than 19 mph (30 km/h): ![]() ![]() If the parking space symbol is still not displayed in the multifunction display when you are driving at a speed of less than 19 mph (30 km/h): ![]() |
Parking Guidance has been deactivated because you are no longer
following the recommended path.![]() |
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The vehicle is parked. A warning tone also sounds. The display message disappears automatically. |
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DISTRONIC PLUS has been deactivated. If it was deactivated automatically, a warning tone also sounds. |
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DISTRONIC PLUS is operational again after having been temporarily unavailable. You can now reactivate DISTRONIC PLUS. |
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DISTRONIC PLUS is deactivated and is temporarily inoperative if: • the DISTRONIC PLUS cover in the radiator grill is dirty. • its function is impaired due to heavy rain or snow. • the sensors in the bumpers are dirty. • the radar sensor system is temporarily inoperative, e.g. due to electromagnetic radiation emitted by nearby TV or radio stations or other sources of electromagnetic radiation. • the system is outside the operating temperature range. • the on-board voltage is too low. A warning tone also sounds. DISTRONIC PLUS is operational again and the display message disappears if: • the dirt (e.g. slush) drops away while the vehicle is in motion. • the system detects that the sensors are fully available again. • the system is within the operating temperature range. If the display message continues to be displayed: ![]() ![]() ![]() |
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DISTRONIC PLUS is defective. BAS PLUS (Brake Assist PLUS) and
PRE-SAFE® Brake may be inoperative as well. A warning tone also sounds. ![]() |
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You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.![]() |
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An activation condition for DISTRONIC PLUS is not fulfilled.![]() |
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Cruise control is defective. A warning tone also sounds. ![]() |
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A condition for activating cruise control has not been fulfilled. You attempted to save a speed of less than 20 mph (30 km/h). ![]() ![]() |
See also:
Important safety notes
WARNING
For reasons of safety, have the NECK-PRO
head restraints/NECK-PRO luxury head
restraints checked at an authorized
Mercedes-Benz Center after a rear-end
collision.
WARNING
When p ...
Steering wheel heating
Switching on/off
The steering-wheel heating heats the leather
areas of the steering wheel.
► Make sure that the SmartKey is in
position
2 in the ignition lock.
► To switch on/off: ...
Dashboard fuse box
Do not use a pointed object such
as a
screwdriver to open the cover in the dashboard. You could damage the
dashboard or the cover.
To open: pull out cover 1 slightly at the
bottom i ...