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 accident and injury
caused by an insufficiently secured vehicle
rolling away
If the vehicle is not securely parked sufficiently,
it can roll away in an uncontrolled
way even at a slight downhill gradient.
On uphill or downhill
gradients, turn the
front wheels so that the vehicle rolls
towards the curb if it starts moving...
NOTE Mercedes-AMG vehicles
Observe the notes in the Supplement.
You could otherwise fail to recognize
dangers.
AIR BODY CONTROL is an air suspension system
with variable damping for improved driving comfort.
The all-round level control system ensures
the best possible suspension and constant
ground clearance, even with a laden vehicle...