Mercedes-Benz C-CLASS Operator's Manual page 243

Display messages
8
Gas Cap Loose
¸
Replace Air Filter
!
Check Fuel Filter
Check Additive See
Owner's Manual
Remaining Starts:
16
Driving systems
Display messages
À
ATTENTION ASSIST:
Take a Break!
À
ATTENTION ASSIST
Inoperative
¨
Vehicle Rising
Possible causes/consequences and M Solutions
The fuel filler cap is not closed correctly or the fuel system is leaking.
Check that the fuel filler cap is correctly closed.
X
If the fuel filler cap is not correctly closed:
Close the fuel filler cap.
X
If the fuel filler cap is correctly closed:
Visit a qualified specialist workshop.
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
The DEF tank is almost empty.
Have the DEF tank filled as soon as possible at a qualified specialist
X
workshop ( page 155).
Y
The DEF level has fallen to a minimum. You can start the engine a
further 16 times.
Have the DEF tank filled immediately at a qualified specialist work-
X
shop ( page 155).
Y
i
You can start the engine a further 16 times. If DEF is not added, it
will then not be possible to restart the engine. Refill the DEF tank
with approximately 0.9 gal (3.5 l) of DEF (
Possible causes/consequences and M Solutions
Based on certain criteria, ATTENTION ASSIST has detected fatigue or
a lack of concentration on the part of the driver. A warning tone also
sounds.
If necessary, take a break.
X
During long journeys, take regular breaks in good time so you get
enough rest.
ATTENTION ASSIST is inoperative.
Visit a qualified specialist workshop.
X
The vehicle is rising to the level you have selected.
Display messages
page 155).
Y
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