Mercedes-Benz G-Class 2012 Owners Manual - Manual (Page 174)

Display messages Possible causes/consequences and M Solutions
? The engine fan is defective.
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.
# The battery is not being charged.
Possible causes are:
R a defective alternator
R
a torn poly-V-belt
R
a malfunction in the electronics
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Open the hood.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Visit a qualified specialist workshop.
The battery voltage is too low.
X Switch off electrical consumers that are not required.
X Have the battery and alternator checked at a qualified specialist
workshop.
The battery has been charged or the vehicle has been jump-
started.
X Have the battery and alternator checked at a qualified specialist
workshop.
4
Check oil level at
next gas station.
The engine oil level has dropped to a critical level.
X Check the oil level ( Y page 211).
X If necessary, add engine oil ( Y page 213).
X Have the engine checked for leaks if the engine oil needs to be
refilled more often than usual.
You have added too much engine oil. There is a risk of damaging
the engine or catalytic converter.
X Siphon off excess engine oil until it is at the specified level.
Observe the legal requirements.
172
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