Mercedes-Benz 2013 GLS Class - Manual (Page 276)

Display messages Possible causes/consequences and M Solutions
Vehicles with trailer tow hitch: a fuse may have blown.
X Check the fuses ( Y page 368).
X If necessary, replace the blown fuse. Observe the warning notes
as you do so.
If the display message continues to be displayed:
X Visit a qualified specialist workshop.
b
Malfunction See
Owner's Manual
The exterior lighting is faulty.
X Visit a qualified specialist workshop.
b
AUTO lights inoper‐
ative
The light sensor is faulty.
X Visit a qualified specialist workshop.
b
Switch off lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X Turn the light switch to Ã.
Adaptive Main-beam
Assist inoperative
Adaptive Highbeam Assist is faulty.
X Visit a qualified specialist workshop.
Adaptive Main-beam
Assist currently
unavailable See
Owner's Manual
Adaptive Highbeam Assist is deactivated and temporarily inoper-
ative. Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
If the system detects that the camera is fully operational again,
the
Adaptive Main-beam Assist available again message
is displayed.
Adaptive Highbeam Assist is operational again.
274
Display messages
On-board computer and displays