Display Message - Mercedes-Benz 2011 M-Class Operator's Manual

Display messages
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Battery/
Alternator Stop
Vehicle
4
Check engine oil
level at next
refueling
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.
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:
a faulty alternator
R
a torn poly-V-belt
R
a malfunction in the electronics
R
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.
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.
The oil level is too low.
X
Check the oil level (
X
If necessary, add the engine oil (
X
Have the engine checked for leaks if engine oil has to be added
more often than usual.
Display messages
Y page 283).
Y page 284).
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