Mercedes-Benz 2013 C-Class Coupe, Owner'S Manual

Page: 257 / 388

Display messages Possible causes/consequences and
M
Solutions
b
AUTO lights inoper‐
ative
The light sensor is faulty.
X
Visit a qualified specialist workshop.
b
Switch off lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to
Ã
.
Lights (12-button multifunction steering wheel)
i Display messages about LEDs:
This display message will only appear if all the LEDs have failed.
Display messages Possible causes/consequences and
M
Solutions
b
Left cornering
light
or
Right cor‐
nering light
The left or right-hand cornering light is faulty.
X Check whether you are permitted to replace the bulb yourself
(
Y
page 125).
or
X
Visit a qualified specialist workshop.
b
Left dipped beam
or
Right dipped
beam
The left or right-hand dipped-beam headlamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(
Y
page 125).
or
X
Visit a qualified specialist workshop.
b
Trailer left tail
lamp
or
Trailer
right tail lamp
The left or right-hand trailer tail lamp is faulty.
X
Observe the separate operating instructions provided by the
trailer manufacturer.
b
Trailer left turn
signal
or
Trailer
right turn signal
The left or right-hand trailer turn signal lamp is faulty.
X
Observe the separate operating instructions provided by the
trailer manufacturer.
b
Trailer brake lamp
The trailer brake lamp is faulty.
X Observe the separate operating instructions provided by the
trailer manufacturer.
Display messages
255
On-board computer and displays
Z