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Display messages
Possible causes/consequences and MM Solutions
ActiveActive BrakeBrake AssistAssist
Functions LimitedFunctions Limited
See Operator's Man‐See Operator's Man‐
ualual
Active Brake Assist with cross-traffic function is unavailable due to a
malfunction.
X
Visit a qualified specialist workshop immediately.
RadarRadar SensorsSensors DirtyDirty
See Operator's Man‐See Operator's Man‐
ualual
The radar sensor system is malfunctioning.
Possible causes are:
R
dirt on sensors
R
heavy rain or snow
R
when driving on inter-urban roads without traffic or infrastructure,
e.g. in desert-like areas
At least one driving system or driving safety system is malfunctioning
or is temporarily unavailable:
R
Active Brake Assist
R
Active Lane Keeping Assist
R
Active Blind Spot Assist
R
Active Distance Assist DISTRONIC with Active Steering Assist
If the radar sensor system in front is dirty, Active Blind Spot Assist will
not perform a course-correcting brake application.
Once the cause of the problem is no longer present, the driving and
drive safety systems will be available again. The display message dis-
appears.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (Y page 152).
X
Switch off the engine.
X
Clean all sensors (Y page 309).
X
Restart the engine.
The display message disappears.
6
SRSSRS MalfunctionMalfunction Ser‐Ser‐
vice Requiredvice Required
The restraint system is malfunctioning. The 6 warning lamp also
lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
Further information about the restraint system (Y page 43).
Display messages
235
On-board computer and displays
Z
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