Engine; Display Message - Mercedes-Benz CLS Operator's Manual

Display messages
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual

Engine

Display messages
+
Check Coolant
Level See
Operator's Manual
?
Possible causes/consequences and M Solutions
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
the windshield in the camera's field of vision is dirty.
R
visibility is impaired due to heavy rain, snow or fog.
R
X
Clean the windshield.
If the system detects that the camera is fully operational again,
Adaptive Highbeam Assist Now Available
the
displayed.
Adaptive Highbeam Assist is operational again.
Possible causes/consequences and M Solutions
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
Add coolant, observing the warning notes before doing so
Y
( page 300).
X
If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop.
The fan motor is faulty.
X
At coolant temperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.
X
Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.
Display messages
message is
239
Z