Mercedes-Benz 2013 GLS Class - Manual (Page 274)

Display messages Possible causes/consequences and M Solutions
b
Trailer left turn
signal or Trailer
right turn signal
The left or right-hand trailer turn signal lamp is faulty.
X Check whether you are permitted to replace the bulb yourself.
or
X Visit a qualified specialist workshop.
b
Trailer brake lamp
The trailer brake lamp is faulty.
X Check whether you are permitted to replace the bulb yourself.
or
X Visit a qualified specialist workshop.
b
Rear left turn sig‐
nal or Rear right
turn signal
The rear left-hand or rear right-hand turn signal is faulty.
X Visit a qualified specialist workshop.
b
Front left turn
signal or Front
right turn signal
The front left-hand or front right-hand turn signal is faulty.
X Visit a qualified specialist workshop.
b
Left mirror turn
signal or Right
mirror turn signal
The turn signal in the left-hand or right-hand exterior mirror is
faulty.
X Visit a qualified specialist workshop.
b
Third brake lamp
The third brake lamp is faulty.
X Visit a qualified specialist workshop.
b
Left-hand tail
lamp/brake lamp or
Right-hand tail
lamp/brake lamp
The left or right-hand tail lamp/brake lamp is faulty.
X Visit a qualified specialist workshop.
b
Left main
beam or Right main
beam
The left or right-hand main-beam headlamp is faulty.
X Visit a qualified specialist workshop.
272
Display messages
On-board computer and displays