Display messages
Possible causes/consequences and
M
Solutions
Adaptive Highbeam
Assist currently
unavail. See Own‐
er's Man.
Adaptive Highbeam Assist is deactivated and temporarily inoperative.
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
Clean the windscreen.
If the system detects that the camera is fully available, the
Adaptive
Highbeam Assist available again
message appears in the dis-
play.
Adaptive Highbeam Assist is operational again.
b
Active light system
inoperative
The active light function is faulty.
X
Visit a qualified specialist workshop.
b
Trailer left turn
signal
or
Trailer
right turn signal
The left or right-hand trailer turn signal lamp is faulty.
X
Replace the bulb (see the trailer manufacturer's operating instruc-
tions).
For trailers with LED lamps, please observe the notes on lamp failure
monitoring under "Trailer operation" (
Y
page 218).
b
Trailer brake lamp
The trailer brake lamp is faulty.
X
Replace the bulb (see the trailer manufacturer's operating instruc-
tions).
For trailers with LED lamps, please observe the notes on lamp failure
monitoring under "Trailer operation" (
Y
page 218).
b
Trailer left tail
lamp
or
Trailer
right tail lamp
The left or right-hand trailer tail lamp is faulty.
X
Replace the bulb (see the trailer manufacturer's operating instruc-
tions).
For trailers with LED lamps, please observe the notes on lamp failure
monitoring under "Trailer operation" (
Y
page 218).
b
AUTO lights inoper‐
ative
The light sensor is faulty. The automatic headlamp feature is mal-
functioning.
X
Switch the light functions on/off manually (
Y
page 114).
X
Visit a qualified specialist workshop.
b
Rear left turn sig‐
nal
or
Rear right
turn signal
The rear left-hand or rear right-hand turn signal is faulty.
X
Standard tail lamp: replace the bulb (
Y
page 123).
X
LED tail lamp: visit a qualified specialist workshop.
b
Front left turn sig‐
nal
or
Front right
turn signal
The front left-hand or front right-hand turn signal is faulty.
X
Halogen headlamp: replace the bulb (
Y
page 123).
X
LED headlamp: visit a qualified specialist workshop.
Display messages (vehicles with steering wheel buttons)
267
On-board computer and displays
Z