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:
Information about display messages
Display messages appear on the multifunction
display.
Display messages with graphical symbols are
simplified in the Operator's Manual and may differ
from the symbols on the multifunction display.
The multifunction display shows high-priority
display messages in red...
If you should experience a problem with your
vehicle, particularly one that you believe may
affect its safe operation, we urge you to contact
an authorized Mercedes-Benz Center immediately
to have the problem diagnosed and rectified.
If the problem is not resolved to your satisfaction,
please discuss the problem again with
an authorized Mercedes-Benz Center or, if necessary,
contact us at one of the following
addresses:
In the USA:
Mercedes-Benz USA, LLC
Customer Assistance Center
One Mercedes-Benz Drive
Sandy Springs, GA 30328
In Canada:
Mercedes-Benz Canada, Inc...