Mercedes-Benz C-Class Saloon Owner's Manual page 461

Display messages Possible causes/consequences and
* The brake pads have reached the wear limit.
Check brake pads See
Owner's Manual
* The radar sensor system is malfunctioning. Possible causes:
Radar sensors dirty See
Owner's Manual
& WARNING Risk of accident due to restricted braking power
When the brake pads have reached their wear limit, the braking power may be restricted.
Drive on carefully.
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Have the brake system checked immediately at a qualified specialist workshop.
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Consult a qualified specialist workshop.
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soiling of the sensors
R
heavy rain or snow
R
extended country driving without other traffic, e.g. in the desert
R
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.
Once the cause of the problem is no longer present, driving systems and driving safety systems will be available
again.
If the display message does not disappear:
Pull over and stop the vehicle, paying attention to road and traffic conditions.
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Clean all sensors ( page 380).
→
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Restart the engine.
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Display messages and warning/indicator lamps 459
M M Solutions