Operation Manual

Display messages
Possible causes/consequences and M Solutions
Lane Keeping Assist
Currently Unavaila‐
ble See Operator's
ManualorActive Lane
Keeping Assist Cur‐
rently Unavailable
See Operator's Man‐
ual
Lane Keeping Assist or Active Lane Keeping Assist is deactivated and
temporarily inoperative.
Possible causes are:
R
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.
When the causes stated above no longer apply, the display message
disappears.
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 (Y page 146).
X
Clean the windshield.
Lane Keeping Assist
InoperativeorActive
Lane Keeping Assist
Inoperative
Lane Keeping Assist or Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop.
Blind Spot Assist
Currently Unavaila‐
ble See Operator's
ManualorActive
Blind Spot Assist
Currently Unavaila‐
ble See Operator's
Manual
Blind Spot Assist or Active Blind Spot Assist is temporarily inoperative.
Possible causes are:
R
the radar sensor system is outside the operating temperature
range.
R
the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior mirrors.
When the causes stated above no longer apply, the display message
disappears.
Blind Spot Assist or Active Blind Spot 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 (Y page 146).
X
Restart the engine.
Blind Spot Assist
InoperativeorActive
Blind Spot Assist
Inoperative
Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow 9 indicator lamps also light up in the exterior mirrors.
X
Visit a qualified specialist workshop.
226
Display messages
On-board computer and displays