Display messages
Possible causes/consequences and M Solutions
Malfunction See Own‐
er's Manual
Vehicles with trailer tow hitch: a fuse may be defective.
X
Check the fuses and if necessary replace any blown fuses (see the
"Fuse allocation" supplement).
X
If the display message does not disappear, consult a qualified spe-
cialist workshop.
b
Left daytime driv‐
ing lamp or Right
daytime driving lamp
The left or right-hand daytime driving lamp is faulty.
X
Halogen headlamp: replace the bulb (Y page 123).
X
LED headlamp: visit a qualified specialist workshop.
Engine
Display messages
Possible causes/consequences and M Solutions
\
Exhaust filter:
high eng. speed See
Owner's Man.
The automatic regeneration of the diesel particle filter is not sufficient
or has malfunctioned.
X
Drive at an engine speed of above 2000 rpm until the display mes-
sage disappears.
If the display message does not go out after approximately
20 minutes, have the malfunction rectified immediately at a quali-
fied specialist workshop.
#
A warning tone also sounds. The battery is no longer being charged.
Possible causes:
R
faulty alternator
R
torn poly-V-belt
R
a malfunction in the electronics
X
Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
!
Do not continue driving. The engine could otherwise overheat.
X
Secure the vehicle against rolling away (Y page 177).
X
Consult a qualified specialist workshop.
Ø
Refill AdBlue See
Owner’s Manual
A warning tone also sounds. The AdBlue
®
level has fallen below the
reserve range.
X
Refill AdBlue
®
as soon as possible (Y page 174).
Ø
Refill AdBlue Em.
op. in ... mi See
Owner's Man.
A warning tone also sounds. The AdBlue
®
supply is almost used up and
only sufficient for the indicated distance. If you subsequently switch
off the engine, the engine management prevents the engine from
being started again. You can then only start the engine if you have
refilled the AdBlue
®
tank.
X
Refill AdBlue
®
immediately (Y page 174).
Display messages (vehicles with steering wheel buttons)
269
On-board computer and displays
Z
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