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:
WARNING Risk of becoming trapped if
the windshield wipers are switched on
while wiper blades are being replaced
If the windshield wipers begin to move while
you are changing the wiper blades, you can
be trapped by the wiper arm.
Always switch off the
windshield wipers
and the ignition before changing the
wiper blades...
If an obstacle obstructs the sliding sunroof during
the closing process, the sliding sunroof will
open again automatically. The automatic reversfor your attentiveness.
During the closing process, make
sure that
no body parts are in the closing area...