Operation Manual

Display messages
Possible causes/consequences and MM Solutions
Lane KeepingLane Keeping
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
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 are no lane markings for a longer 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 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 159).
X
Clean the windshield.
Lane KeepingLane Keeping
Assist InoperativeAssist Inoperative
Lane Keeping Assist is faulty.
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
Blind Spot Assist is temporarily inoperative. Possible causes are:
R
the sensors are dirty.
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 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 159).
X
Clean the sensors (Y page 301).
X
Restart the engine.
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Display messages
On-board computer and displays