Mercedes-Benz E-Class Owner's Manual page 308

Display messages
306
Display messages
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
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.
Y
page 199).