Mercedes-Benz S-Class 2013 Owners Manual - Manual (Page 417)

Display messages Possible causes/consequences and M Solutions
ABC
Malfunction
The ABC function is restricted. The vehicle's handling
characteristics may be affected.
X
Do not drive faster than 50 mph (80km/h).
X Visit a qualified specialist workshop.
ë
Off
The HOLD function is deactivated. the vehicle is skidding.
A warning tone also sounds.
X Reactivate the HOLD function later (
Y
page 346).
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 346).
Radar Sensors
Deactivated See
Oper. Manual
The radar sensor system is deactivated.
X Switch on the radar sensor system (
Y
page 389).
Lane Keeping
Assist Currently
Unavailable See
Operator's Manual
or Active Lane
Keeping Assist
Currently
Unavailable See
Operator's Manual
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.
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
Apply the electric parking brake.
X Clean the windshield.
If the system detects that the camera is fully operational, the
display message disappears.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
Lane Keeping
Assist
Inoperative or
Active Lane
Keeping Assist
Inoperative
Lane Keeping Assist or Active Lane Keeping Assist is defective.
X Visit a qualified specialist workshop.
Display messages
415
On-board
computer
and
displays
Z