Operation Manual

Display messages
Possible causes/consequences and MM Solutions
ë
OffOff
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (Y page 169).
The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled.
A warning tone also sounds.
X
Check the activation conditions for the HOLD function
(Y page 169).
RadarRadar SensorsSensors Deac‐Deac‐
tivated See Opera‐tivated See Opera‐
tor's Manualtor's Manual
The radar sensor system is deactivated.
X
Switch on the radar sensor system (Y page 203).
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 151).
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.
Display messages
223
On-board computer and displays
Z