Mercedes-Benz B-Class Operator's Manual page 187

Display messages
Radar Sensors Radar Sensors Dirty Dirty
See Operator's Man‐ See Operator's Man‐
ual ual
6
SRS Malfunction SRS Malfunction Ser‐ Ser‐
vice Required vice Required
6
Front Left Malfunc‐ Front Left Malfunc‐
tion Service tion Service
Required Required or Front Front
Right Malfunction Right Malfunction
Service Required Service Required
Possible causes/consequences and M M Solutions
The radar sensor system is malfunctioning.
Possible causes are:
dirt on sensors
R
heavy rain or snow
R
when driving on inter-urban roads without traffic or infrastructure,
R
e.g. in desert-like areas
At least one driving system or driving safety system is malfunctioning
or is temporarily unavailable:
Active Brake Assist
R
Distance Pilot DISTRONIC
R
A warning tone also sounds.
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:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Switch off the engine.
X
Clean all sensors ( page 248).
X
Y
Restart the engine.
X
The display message disappears.
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.
Visit a qualified specialist workshop immediately.
X
For further information about the restraint system, see (
The restraint system is malfunctioning at the front on the left or right.
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.
Visit a qualified specialist workshop immediately.
X
Display messages
page 129).
Y
page 37).
Y
Z
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