Mercedes-Benz C-Class Operator's Manual page 231

Display messages
#
4
Check Engine Oil
At Next Refueling
Possible causes/consequences and M Solutions
The battery is not being charged.
A warning tone also sounds.
Possible causes are:
a defective 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 engine,
X
paying attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Open the hood.
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 not damaged:
Visit a qualified specialist workshop.
X
The engine oil level has dropped to the minimum level.
A warning tone also sounds.
Check the oil level when next refueling, at the latest
X
( page 285).
Y
If necessary, add engine oil (
X
Have the engine checked at a qualified specialist workshop if
X
engine oil needs to be added more often than usual.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com.
Display messages
page 158).
Y
page 285).
Y
229
Z