Display messages Possible causes/consequences and
M Solutions
b
Rea
rl efti ndica‐ tor or
Rea rr ight indicator The rear left-han
dorrear right-hand tur nsignal is faulty.
X Check whether you are permitted to replac ethe bulb yourself
(Y page 120).
or
X Visit aqualified specialist workshop. b
Fron
tleft indica‐ tor or
Fron tright indicator The front left-han
dorfront right-han dturns ignal is faulty.
X Check whether you are permitted to replac ethe bulb yourself
(Y page 120).
or
X Visit aqualified specialist workshop. b
Left
mirror indica‐
tor or
Righ tmir‐ ror indicator The tur
nsignal in the left-han dorright-han dexterior mirror is
faulty.
X Check whether you are permitted to replac ethe bulb yourself
(Y page 120).
or
X Visit aqualified specialist workshop. b
Thir
dbrakel amp The thir
dbrak elamp is faulty.
X Check whether you are permitted to replac ethe bulb yourself
(Y page 120).
or
X Visit aqualified specialist workshop. b
Left-han
dtail lamp/brake
lamp orRight-hand
tail lamp/brake
lamp The left or right-han
dtail lamp/brak elamp is faulty.
X Check whether you are permitted to replac ethe bulb yourself
(Y page 120).
or
X Visit aqualified specialist workshop. b
Left main
beam orRight main
beam The left or right-han
dhigh beam is faulty.
X Check whether you are permitted to change the bulb yourself
(Y page 120).
or
X Visit aqualified specialist workshop. 238
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
M Solutions
Adaptive Main-beam
Assist inoperative Adaptive Highbeam Assis
tisfaulty.
X Visit aqualified specialist workshop. Adaptive Main-beam
Assist currently
unavailable See
Owner's Manual Adaptive Highbeam Assist is deactivated and temporarily inoper-
ative. Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R visibility is impaired due to heavy rain, snow or fog.
X Cleant he windscreen.
If the system detectst hat the camera is fully operational again,
the Adaptive Main-beam Assist available again message
is displayed.
Adaptive Highbeam Assist is operational again. Engine
Display messages Possible causes/consequencesa
ndM Solutions
+
Top
up coolant See
Owner's Manual The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Top up the coolant, observing the warning notes before doing
so (Y page 299).
X If the coolant needs topping up more often than usual, have the
engine coolant system checked at aqualified specialist work-
shop. ? The fan motor is faulty.
X
If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic. 240
Display messagesOn-board computer and displays