On -b oar d comp ut er an d di sp lay s, Display messages – Mercedes-Benz GL-Class 2014 Owners Manual User Manual
Page 308
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Display messages
Possible causes/consequences and M
M Solutions
b
Auto
Auto Lamp
Lamp Function
Function
Inoperative
Inoperative
The light sensor is defective.
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 Ã.
Adaptive Highbeam
Adaptive Highbeam
Assist Inoperative
Assist Inoperative
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Adaptive Highbeam
Adaptive Highbeam
Assist Currently
Assist Currently
Unavailable See
Unavailable See
Operator's Manual
Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R
visibility is impaired due to heavy rain, snow or fog.
X
Clean the windshield.
If the system detects that the camera is fully operational again,
the
Adaptive Highbeam Assist Now Available
Adaptive Highbeam Assist Now Available
message is
displayed.
Adaptive Highbeam Assist is operational again.
Engine
Display messages
Possible causes/consequences and M
M Solutions
+
Check Coolant
Check Coolant
Level See
Level See
Operator's Manual
Operator'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
Add coolant, observing the warning notes before doing so
(
Y
page 373).
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 below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
X
Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.
306
Display messages
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