Mercedes-Benz 2013 C-Class Coupe Owner's Manual page 262

Display messages
260
Display messages
4
Checking the
engine oil level
8
Reserve fuel level
C
¸
Replace air cleaner
!
Clean the fuel fil‐
ter
Possible causes/consequences and M Solutions
The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X
Check the oil level when next refuelling, at the latest
( Y page 316).
X
If necessary, top up the engine oil (
X
Have the engine checked at a qualified specialist workshop if
the engine oil needs topping up more often than usual.
The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level
drops into the reserve range.
X
Refuel at the nearest filling station.
There is very little fuel in the fuel tank.
The auxiliary heating cannot be operated.
X
Refuel at the nearest filling station without fail.
Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
X
Visit a qualified specialist workshop.
Vehicles with a diesel engine: there is water in the fuel filter. The
water must be drained off.
X
Visit a qualified specialist workshop.
Y page 317).