Mercedes-Benz CLS-Class 2012 Owners Manual - Manual (Page 228)

Display messages Possible causes/consequences and M Solutions
b
Active Headlamps
Inoperative
The active light function is defective.
X Visit a qualified specialist workshop.
b
Malfunction See
Operator's Manual
The exterior lighting is defective.
X Visit a qualified specialist workshop.
b
AUTO Lamp Function
Inoperative
The light sensor is defective.
X Visit a qualified specialist workshop.
b
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 Ã.
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assist is defective.
X Visit a qualified specialist workshop.
Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily
inoperative, if:
R the windshield is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
X Clean the windshield.
Adaptive Highbeam Assist is available again, if:
R
the dirt (e.g. slush) drops away while the vehicle is in motion.
R
the system recognizes that the camera is fully operational again.
The Adaptive Highbeam Assist Now Available message is
displayed.
Engine
Display messages Possible causes/consequences and M Solutions
+
Check Coolant
Level See
Operator's Manual
The coolant level is too low.
X Add coolant, observing the warning notes when doing so
(
Y page 282).
X If the coolant needs to be refilled more often than usual, have
the engine coolant system checked at a qualified specialist
workshop.
226
Display messages
On-board computer and displays