Mercedes-Benz 2013 C-Class Coupe Owner's Manual page 279

Display messages
j
Check trailer
hitch lock
&
inoperative Bat‐
tery low
&
inoperative Refuel
vehicle
&
inoperative See
Owner's Manual
Ð
Power steering mal‐
function See Own‐
er's Manual
Possible causes/consequences and M Solutions
The trailer tow hitch is not correctly engaged.
A warning tone also sounds.
X
Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X
Secure the vehicle against rolling away (
X
Engage the trailer coupling's ball coupling in the end position
( Y page 211).
The on-board voltage is too low. The auxiliary heating has switched
itself off or cannot be switched on (
X
Drive for a longer distance.
The battery is being charged. The auxiliary heating is operational
again as soon as the on-board electrical system voltage is suf-
ficient.
There is too little fuel in the fuel tank. The auxiliary heating cannot
be switched on ( Y page 141).
X
Refuel at the nearest filling station.
The auxiliary heating has a temporary malfunction or is faulty.
X
When the vehicle is on a level surface and the engine has cooled
down, make up to four attempts to switch on the auxiliary heat-
ing, waiting several minutes between each attempt
( Y page 141).
X
If the auxiliary heating does not switch on, consult a qualified
specialist workshop.
The power steering assistance is faulty.
A warning tone also sounds.
G
WARNING
You will need to use more force to steer.
There is a risk of an accident.
X
Check whether you are able to apply the extra force required.
X
If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X
If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop.
Display messages
Y page 169).
Y page 141).
277
Z