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...
When Active Distance Assist DISTRONIC is activated,
the vehicle speed will be adapted accordingly
to the route events ahead. Depending on
the drive program selected, the vehicle negotiates
a route event ahead in an economical, comfortable
or dynamic manner...