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:
Adjusting the front air vents
WARNING Risk of burns and frostbite
due to being too close to the air vents
Very hot or very cold air can flow from the air
vents.
Make sure that
all vehicle occupants
always maintain a sufficient distance
from the air vents...
You can store convenience settings and individual
settings in the vehicle and change or reset
them at any time.
Depending on the vehicle equipment, this
includes the following settings, for example:
Seat and steering wheel positions
Suspension and climate control settings
Individual settings, such as interior lighting
Depending on the selected equipment, you can
import data into vehicle infotainment functions
yourself...