Mercedes-Benz GLC : Vehicles with Parking Assist PARKTRONIC / System failure
If the rear view camera is not operational, the
following display appears in the multimedia system.

The following camera views are available in the
multimedia system:
Normal view
Yellow lanes marking the course
the tires
will take with the current steering angle
(dynamic)
Yellow guide line, vehicle
width (driven surface)
depending on the current steering
angle (dynamic)
Red guide line at a distance of
approximately
1...
The rear view camera will not function or will
only partially function in the following situations:
The tailgate is open.
There is heavy rain, snow or fog...
Other information:
Requirements:
The electric parking brake is released.
ESP® is activated and is not intervening.
The transmission is in position
.
The driver's door is closed.
Check of the radar sensor system has been
successfully completed.
Parking Assist PARKTRONIC is not being
used to park the vehicle or to exit from a
parking space...
WARNING Risk of accident due to
adjusting vehicle settings while the vehicle
is in motion
You could lose control of the vehicle in the
following situations in particular:
If you adjust the driver's seat, the head
restraints, the steering wheel or the mirror
while the vehicle is in motion...