Mercedes-Benz E-Class Owner's Manual page 275

Display messages
272
Display messages
j
Check trailer
hitch lock
&
inoperative Bat‐
tery low
&
inoperative Refuel
vehicle
&
inoperative See
Owner's Man.
J
Close boot separa‐
tor
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.
Stop the vehicle immediately, paying attention to road and traf-
X
fic conditions, and switch off the engine.
Apply the parking brake.
X
Allow the trailer tow hitch ball coupling to engage in the end
X
position ( page 222).
Y
The on-board voltage is too low. The auxiliary heating has switched
itself off or cannot be switched on (
Drive for a longer distance.
X
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 ( page 149).
Y
Refuel at the nearest filling station.
X
The auxiliary heating has a temporary malfunction or is faulty.
When the vehicle is on a level surface and the engine has cooled
X
down, make up to four attempts to switch on the auxiliary heat-
ing, waiting several minutes between each attempt
( page 149).
Y
If the auxiliary heating does not switch on, consult a qualified
X
specialist workshop.
Cabriolet: the boot separator is open.
Close the boot separator (
X
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 accident.
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
X
specialist workshop.
If you are unable to steer safely: do not drive on. Contact the
X
nearest qualified specialist workshop.
page 149).
Y
page 99).
Y