Mercedes-Benz GLS Operator's Manual page 270

Display messages
268
Display messages
Traffic Sign Assist
Currently Unavaila‐
ble See Operator's
Manual
Traffic Sign Assist
Inoperative
ë
Off
Lane Keeping Assist
Currently Unavaila‐
ble See Operator's
Manual or Active
Lane Keeping Assist
Currently Unavaila‐
ble See Operator's
Manual
Lane Keeping Assist
Inoperative or
Active Lane Keeping
Assist Inoperative
Possible causes/consequences and M Solutions
Traffic Sign Assist is temporarily inoperative.
Possible causes are:
The windshield in the camera's field of vision is dirty.
R
Visibility is impaired due to heavy rain, snow or fog.
R
Clean the windshield.
X
If the system detects that the camera is fully operational, the display
message disappears.
Traffic Sign Assist is operational again.
Traffic Sign Assist is malfunctioning.
Visit a qualified specialist workshop.
X
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
Reactivate the HOLD function later (
X
Lane Keeping Assist or Active Lane Keeping Assist is deactivated and
temporarily inoperative.
Possible causes are:
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 away, dark or covered up, e.g. by dirt or
R
snow.
When the causes stated above no longer apply, the display message
disappears.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
If the display message does not disappear:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Clean the windshield.
X
Lane Keeping Assist or Active Lane Keeping Assist is malfunctioning.
Visit a qualified specialist workshop.
X
page 187).
Y
page 161).
Y