Mercedes-Benz E-Class 2010 Owner's Manual page 226

Display messages
?
#
4
Check
eng. oil
lev. when
next refu‐
elling
C
8
Reserve
fuel level
Possible causes/consequences and M Solutions
The fan motor is faulty.
If the coolant temperature is less than 120 †, you can
X
continue driving to the nearest qualified specialist work-
shop.
Avoid subjecting the engine to heavy loads, e.g. driving in
X
mountainous terrain, and stop-start driving.
The battery is not being charged.
A warning tone also sounds.
Possible causes are:
a faulty alternator
R
a torn poly-V-belt
R
a malfunction in the electronics
R
Pull over and stop the vehicle safely and switch off the
X
engine, paying attention to road and traffic conditions.
Open the bonnet.
X
Check whether the poly-V-belt is torn.
X
If the poly-V-belt is torn:
!
do not continue driving. The engine could otherwise over-
heat.
Consult a qualified specialist workshop.
X
If the poly-V-belt is OK:
Visit a qualified specialist workshop.
X
The engine oil level has dropped to a critical level.
A warning tone also sounds.
Check the oil level (
X
If necessary, top up the engine oil (
X
Have the engine checked for leaks if the engine oil needs
X
topping up more often than usual.
There is only a small amount of fuel in the fuel tank.
Refuel at the nearest filling station.
X
The fuel level has fallen below the reserve range.
The fuel tank must be filled at least to the reserve fuel level
to prevent impairment to the running of the engine.
Refuel at the nearest filling station.
X
Display messages
page 260).
Y
page 261).
Y
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Z