Operation Manual

Display messages
Possible causes/consequences and MM Solutions
¨
MalfunctionMalfunction
The AIRMATIC function is restricted. The vehicle's handling char-
acteristics may be affected.
X
Do not drive at speeds above 50 mph (80 km/h).
X
Visit a qualified specialist workshop.
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 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 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 174).
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.
272
Display messages
On-board computer and displays