Engine, On-board computer and displays, Display messages – Mercedes-Benz GL-Class 2012 Owners Manual User Manual
Page 246
Display messages
Possible causes/consequences and M Solutions
b
AUTO Light
Inoperative
The light sensor is defective.
X
Visit a qualified specialist workshop.
USA only:
X
Switch off the daytime running lamps in the on-board computer
(
X
Switch the lights on and off using the light switch.
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 $ or Ã.
or
X
If the rear fog lamp is switched on: press the light switch in to
the stop.
Engine
Display messages
Possible causes/consequences and M Solutions
+
Top Up Coolant See
Operator's Manual
The coolant level is too low.
X
Add coolant, observing the warning notes when doing so
(
X
If the coolant needs to be refilled more often than usual, have
the engine coolant system checked at a qualified specialist
workshop.
G
WARNING
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
!
The coolant level is too low. Avoid making long journeys with too little coolant in the cooling
system. The engine will otherwise be damaged.
The display messages and the corresponding symbol that indicate that the coolant level is
too low must not be ignored.
244
Display messages
On-board computer and displays