Mercedes-Benz GLS Owner's Manual page 487

484 Display messages and warning/indicator lamps
Display messages
Active Lane Keeping Assist
inoperative
¸
Ã
ç
Ä
Currently unavailable
Radar sensors dirty
Possible causes/consequences and
* Active Lane Keeping Assist is malfunctioning.
Drive on
#
or
Stop the vehicle in accordance with the traffic conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualified specialist workshop.
#
* Front and corner radar sensors (hereafter "sensors") are malfunctioning. Possible causes:
The sensors are dirty
R
Heavy rain or snow
R
Extended country driving without other traffic, e.g. in the desert
R
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable. The brake system,
steering and drive system will continue to function normally.
Drive on
#
Once the causes of the problem are no longer present, the driving systems and driving safety systems will be avail‐
able again and the corresponding symbols will be switched off.
If the display message does not disappear:
Stop the vehicle in accordance with the traffic conditions.
#
Clean all sensor covers from outside (
#
Restart the vehicle.
#
M M Solutions
page 229).
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