Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 252)

G WARNING
If the 45 indicator lamp remains lit with an adult occupant on the front-passenger seat
even after performing the above corrective steps, do not have any passenger use the front-
passenger seat until the system has been repaired.
Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed.
Display messages Possible causes/consequences and M Solutions
b
Check Left
Cornering
Light or Check
Right Cornering
Light
The left or right-hand cornering light 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 Low
Beam or Check Right
Low Beam
The left or right-hand low-beam headlamp 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 Trailer Left
Tail Lamp or Check
Trailer Right Tail
Lamp
The left or right-hand trailer tail lamp is faulty.
X Check whether you are permitted to change the bulb yourself.
or
X
Visit a qualified specialist workshop.
b
Check Trailer Left
Turn
Signal or Check
Trailer Right Turn
Signal
The left or right-hand trailer turn signal lamp is defective.
X Check whether you are permitted to change the bulb yourself.
or
X Visit a qualified specialist workshop.
b
Check Trailer
Brake Lamp
The trailer brake lamp is defective.
X Check whether you are permitted to change the bulb yourself.
or
X Visit a qualified specialist workshop.
250
Display messages
On-boar
d
comput
er
and
displa
ys