Mercedes-Benz GL-Class 2013 Owners Manual - Manual (Page 302)

Display messages Possible causes/consequences and M Solutions
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 replace the bulb yourself
(
Y
page 133).
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 replace the bulb yourself
(
Y
page 133).
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 replace the bulb yourself
(
Y
page 133).
or
X Visit a qualified specialist workshop.
b
Check Left Brake
Lamp or Check
Right Brake Lamp
The left or right-hand brake lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(
Y
page 133).
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 tail lamp/brake lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(
Y
page 133).
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 replace the bulb yourself
(
Y
page 133).
or
X Visit a qualified specialist workshop.
300
Display messages
On-board
computer
and
displays