Mercedes-Benz E-Class Coupe Owner's Manual page 246

Display messages
#
4
Check eng. oil
lev. when next
refuelling
8
Reserve fuel level
C
¸
Replace air cleaner
!
Clean the fuel fil‐
ter
Possible causes/consequences and M Solutions
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
Stop the vehicle immediately, paying attention to road and traf-
X
fic conditions, and switch off the engine.
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 overheat.
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 top-
X
ping up more often than usual.
The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated when the fuel level
drops into the reserve range.
Refuel at the nearest filling station.
X
There is only a very small amount of fuel in the fuel tank.
The auxiliary heating cannot be operated.
Refuel at the nearest filling station without fail.
X
Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
Visit a qualified specialist workshop.
X
Vehicles with a diesel engine: there is water in the fuel filter. The
water must be drained off.
Visit a qualified specialist workshop.
X
Display messages
page 282).
Y
page 283).
Y
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Z