Mercedes-Benz GLC : 360° camera / System failure
If the system is not ready for operation, the following
message appears in the media display:

The surround view camera will not function or
will only partially function in the following situations:
The doors are open.
The outside mirrors are folded in...
Other information:
M..
Also observe the following information when
fording:
Vehicles with AIR BODY CONTROL: select
the highest possible vehicle level
Drive no faster than 6 mph (10 km/h).
Observe the maximum permissible fording
depth.
Switch off automatic climate control...