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:
Only use the following securing systems for child
restraint systems:
The LATCH-type (ISOFIX) securing rings
The vehicle's seat belt system
The Top Tether anchorages
Installing a LATCH-type (ISOFIX) child restraint
system is preferred.
Simply attaching to the securing rings on the
vehicle can reduce the risk of installing the child
restraint system incorrectly...
Notes on fuel grades for vehicles with gasoline engines
Observe the notes on operating fluids.
NOTE Damage caused by the wrong fuel
Even small amounts of the wrong fuel could
result in damage to the fuel system, the
engine and the emission control system...