Mercedes-Benz S-Class 2020 Owner's Manual page 512

Lights
Display messages
:
Left dipped beam (example)
:
Malfunction See Owner's
Manual
:
Automatic driving lights
inoperative
Possible causes/consequences and
* The corresponding light source is defective.
Drive on carefully.
#
Consult a qualified specialist workshop immediately.
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% LED light sources: the display message for the corresponding light appears only when all the light-emitting
diodes in the light are faulty.
* The exterior lighting is malfunctioning.
Consult a qualified specialist workshop.
#
* Vehicles with a trailer hitch: a fuse may have blown.
Stop the vehicle in accordance with the traffic conditions.
#
Check the fuses and replace them if necessary (
#
* The light sensor for automatic driving lights is malfunctioning.
Consult a qualified specialist workshop.
#
Display messages and warning/indicator lamps 509
M M Solutions
page 389).
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