Mercedes-Benz S-Class 2020, Owner'S Manual

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Display messages
Possible causes/consequences and M M Solutions
As soon as the ambient conditions are within the system limits, the system will become available again.
#
Drive on.
Active Lane Keeping Assist
inoperative
* Active Lane Keeping Assist is malfunctioning.
#
Consult a qualified specialist workshop.
¸
ð
ç
Ä
Currently unavailable
Radar dirty
* Front and corner radar sensors and/or lidar (hereafter "sensors") are malfunctioning. Possible causes:
R
The sensors are dirty
R
Heavy rain or snow
R
Extended country driving without other traffic, e.g. in the desert
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 (
/
page 231).
#
Restart the engine.
Display messages and warning/indicator lamps 539