Mercedes-Benz 2013 C-Class Coupe Owner's Manual page 267

Display messages
ë
Off
Radar sensor deac‐
tivated See Own‐
er's Manual
Lane Keeping
Assist currently
unavailable See
Owner's Man‐
ualorActive Lane
Keeping Assist cur‐
rently unavailable
See Owner's Manual
Lane Keeping
Assist inopera‐
tiveorActive Lane
Keeping Assist
inoperative
Possible causes/consequences and M Solutions
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (
The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled.
A warning tone also sounds.
X
Check the activation conditions for the HOLD function
( Y page 188).
The radar sensor system is deactivated.
X
Switch on the radar sensor system (
Lane Keeping Assist or Active Lane Keeping Assist is deactivated
and temporarily inoperative. Possible causes:
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
R
there are no lane markings for a longer period.
R
the lane markings are worn, dark or covered, e.g. by dirt or snow.
R
Once the causes listed above no longer apply, the display message
goes out.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
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 (
X
Clean the windscreen.
Lane Keeping Assist or Active Lane Keeping Assist is faulty.
X
Visit a qualified specialist workshop.
Display messages
Y page 188).
Y page 234).
Y page 169).
265
Z