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:
Storing
Set the desired position for
all systems.
Briefly press memory button
and then
press preset position ,
or
within three seconds.
An acoustic signal sounds. The settings are
stored.
To call up: press and hold
preset position
button ,
or
until all the systems
are in the stored position...
Requirements:
The vehicle is parked.
It is possible to make use of the residual heat
from the engine to continue heating or ventilating
the front compartment of the vehicle for
approximately 30 minutes.
To switch on: press the
+button.
Residual heat is switched off automatically...