Mercedes-Benz S-Class Coupe Operator's Manual page 276

Display messages
274
Display messages
Active Lane Keep‐
ing Assist Cur‐
rently Unavailable
See Operator's Man‐
ual
Active Lane Keep‐
ing Assist Inoper‐
ative
Active Blind Spot
Assist Currently
Unavailable See
Operator's Manual
Active Blind Spot
Assist Inoperative
Possible causes/consequences and M Solutions
Active Lane Keeping Assist is deactivated and temporarily inop-
erative.
Possible causes are:
the windshield in the camera's field of vision is dirty.
R
visibility is impaired due to heavy rain, snow or fog.
R
there have been no lane markings for an extended period.
R
the lane markings are worn, dark or covered, e.g. by dirt or snow.
R
When the causes stated above no longer apply, the display mes-
sage disappears.
Active Lane Keeping Assist is operational again.
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
Clean the windshield.
X
Active Lane Keeping Assist is defective.
Visit a qualified specialist workshop.
X
Active Blind Spot Assist is temporarily inoperative.
Possible causes are:
the radar sensor system is outside the operating temperature
R
range.
the radar sensor system is temporarily inoperative, e.g. due to
R
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
When the causes stated above no longer apply, the display mes-
sage disappears.
Active Blind Spot Assist is operational again.
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
Restart the engine.
X
Active Blind Spot Assist is defective.
Visit a qualified specialist workshop.
X
page 170).
Y
page 170).
Y