Display messages
Possible causes/consequences and
M
M
Solutions
j
Check
Check trailer
trailer hitch
hitch
lock
lock
The trailer tow hitch is not correctly engaged.
A warning tone also sounds.
G
WARNING
If the ball coupling is not engaged, the trailer may come loose. There
is a risk of an accident.
X
Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X
Secure the vehicle against rolling away (
Y
page 166).
X
Engage the ball coupling of the trailer tow hitch in the end position
(
Y
page 214).
&
inoperative
inoperative Battery
Battery
Low
Low
The on-board voltage is too low The auxiliary heating has switched
itself off or cannot be switched on (
Y
page 137).
X
Drive for a considerable distance.
The battery charges. The auxiliary heating is operational again as
soon as the on-board electrical system voltage is sufficient.
&
inoperative Refuel
inoperative Refuel
vehicle
vehicle
There is too little fuel in the fuel tank. The auxiliary heating cannot be
switched on (
Y
page 137).
X
Refuel at the nearest filling station.
&
inoperative
inoperative See
See Own‐
Own‐
er's Man.
er's Man.
The auxiliary heating is temporarily malfunctioning or faulty.
If the vehicle is on a level surface and the engine has cooled down:
X
Make up to four attempts to switch on the auxiliary heating, waiting
several minutes between each attempt (
Y
page 137).
If the auxiliary heating does not switch on:
X
Consult a qualified specialist workshop.
Ð
Power steering mal‐
Power steering mal‐
function See Own‐
function See Own‐
er's Manual
er's Manual
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 steering force
required.
If you are able to steer safely:
X
Drive on carefully.
X
Consult a qualified specialist workshop immediately.
If you are unable to steer safely:
X
Do not drive on.
X
Consult a qualified specialist workshop.
262
Display messages
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s