Mercedes-Benz M-Class 2011 Owners Manual - Manual (Page 237)

Display messages Possible causes/consequences and M Solutions
? The engine fan 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-start driving.
# The battery is not being charged.
Possible causes are:
R a faulty 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 OK:
X Visit a qualified specialist workshop.
#
Battery/
Alternator Stop
Vehicle
The battery is faulty.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Engage the parking brake.
X Consult a qualified specialist workshop.
4
Check engine oil
level at next
refueling
The oil level is too low.
X Check the oil level ( Y page 283).
X If necessary, add the engine oil ( Y page 284).
X Have the engine checked for leaks if engine oil has to be added
more often than usual.
Information on approved engine oils can be obtained from any qualified specialist workshop
or on the Internet at
http://www.mbusa.com (USA only).
! The oil level is too low. Avoid long journeys with too little engine oil. There is a risk of
engine damage.
The display messages and the corresponding symbol that indicate that the oil level is too
low must not be ignored.
Display messages
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On-board computer and displays
BA 164.1 USA, CA Edition B 2011; 1; 2, en-US
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2010-04-21T17:25:06+02:00 - Seite 235
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