Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 253)

Display messages Possible causes/consequences and M Solutions
b
Check Rear Left
Turn
Signal or Check
Rear Right Turn
Signal
The rear left-hand or rear right-hand turn signal is defective.
X Check whether you are permitted to change the bulb yourself
(
Y
page 114).
or
X Visit a qualified specialist workshop.
b
Check Front Left
Turn
Signal or Check
Front Right Turn
Signal
The front left-hand or front right-hand turn signal is defective.
X
Check whether you are permitted to change the bulb yourself
(
Y
page 114).
or
X Visit a qualified specialist workshop.
b
Check Left Mirror
Turn
Signal or Check
Right Mirror Turn
Signal
The turn signal in the left-hand or right-hand exterior mirror is
defective.
X Check whether you are permitted to change the bulb yourself
(
Y
page 114).
or
X Visit a qualified specialist workshop.
b
Check Center Brake
Lamp
The high-mounted brake lamp is faulty.
X Check whether you are permitted to change the bulb yourself
(
Y
page 114).
or
X Visit a qualified specialist workshop.
b
Check Left Tail
and Brake
Lamps or Check
Right Tail and
Brake Lamps
The left or right-hand brake lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(
Y
page 114).
or
X Visit a qualified specialist workshop.
b
Check Left High
Beam or Check Right
High Beam
The left or right-hand high beam is defective.
X
Check whether you are permitted to change the bulb yourself
(
Y
page 114).
or
X Visit a qualified specialist workshop.
Display messages
251
On-boa
rd
comp
uter
and
disp
lays
Z