Mercedes-Benz M-Class Owner's Manual page 266

Display messages
b
Trailer brake lamp
b
Rear left indicator
or Rear right indi‐
cator
b
Front left indica‐
tor or Front right
indicator
b
Left mirror indica‐
tor or Right mir‐
ror indicator
b
Third brake lamp
b
Left-hand tail
lamp/brake lamp or
Right-hand tail
lamp/brake lamp
b
Left main beam or
Right main beam
Possible causes/consequences and M Solutions
The trailer brake lamp is faulty.
Check whether you are permitted to change the bulb yourself.
X
or
Visit a qualified specialist workshop.
X
The rear left-hand or rear right-hand turn signal is faulty.
Check whether you are permitted to change the bulb yourself
X
( page 113).
Y
or
Visit a qualified specialist workshop.
X
The front left-hand or front right-hand turn signal is faulty.
Check whether you are permitted to change the bulb yourself
X
( page 113).
Y
or
Visit a qualified specialist workshop.
X
The turn signal in the left-hand or right-hand exterior mirror is
faulty.
Check whether you are permitted to change the bulb yourself
X
( page 113).
Y
or
Visit a qualified specialist workshop.
X
The third brake lamp is faulty.
Check whether you are permitted to change the bulb yourself
X
( page 113).
Y
or
Visit a qualified specialist workshop.
X
The left or right-hand brake lamp is faulty.
Check whether you are permitted to change the bulb yourself
X
( page 113).
Y
or
Visit a qualified specialist workshop.
X
The left or right-hand high beam is faulty.
Check whether you are permitted to change the bulb yourself
X
( page 113).
Y
or
Visit a qualified specialist workshop.
X
Display messages
263
Z