Mercedes-Benz 2013 S-CLASS, Owner'S Manual

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Display messages Possible causes/consequences and M M Solutions
b
AUTO AUTO lights lights inoper‐ inoper‐
ative ative
The light sensor is faulty.
X
Visit a qualified specialist workshop.
b
Switch off lights Switch off lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to à .
Adaptive Highbeam Adaptive Highbeam
Assist Assist Plus Plus inoper‐ inoper‐
ative ative
Adaptive Highbeam Assist PLUS is faulty.
X
Visit a qualified specialist workshop.
Adaptive Highbeam Adaptive Highbeam
Assist Plus cur‐ Assist Plus cur‐
rently rently unavailable unavailable
See Owner's Manual See Owner's Manual
Adaptive Highbeam Assist PLUS is deactivated and temporarily
inoperative. Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
X
Clean the windscreen.
If the system detects that the camera is fully operational, display
message Adaptive Highbeam Assist Plus available Adaptive Highbeam Assist Plus available
again again is displayed.
Adaptive Highbeam Assist PLUS is operational again.
Engine
Display messages Possible causes/consequences and M M Solutions
+
Top Top up up coolant coolant See See
Owner’s Manual Owner’s Manual
The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X
Top up the coolant, observing the warning notes before doing
so (
Y
page 403).
X
If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop.
? ?
The fan motor is faulty.
X
If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.
Display messages
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