Display messages
Possible causes/consequences and MM Solutions
Lane KeepingLane Keeping
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
or Active LaneActive Lane
KeepingKeeping AssistAssist Cur‐Cur‐
rentlyrently UnavailableUnavailable
SeeSee Operator'sOperator's Man‐Man‐
ualual
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 mes-
sage 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 170).
X
Clean the windshield.
Lane KeepingLane Keeping
Assist Inopera‐Assist Inopera‐
tivetive or ActiveActive
Lane KeepingLane Keeping
Assist InoperativeAssist Inoperative
Lane Keeping Assist or Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop.
Blind Spot AssistBlind Spot Assist
Currently Unavail‐Currently Unavail‐
able See Opera‐able See Opera‐
tor's Manualtor's Manual or
Active Blind SpotActive Blind Spot
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Blind Spot Assist or Active Blind Spot Assist is temporarily inop-
erative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R
the radar sensor system is outside the operating temperature
range.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior mir-
rors.
When the causes stated above no longer apply, the display mes-
sage 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 170).
X
Restart the engine.
Display messages
263
On-board computer and displays
Z
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