Mercedes-Benz GLC : Parking Assist PARKTRONIC / Adjusting the volume of the warning tones
Select Warning Tone Volume.
Set a value.
Other information:
WARNING Risk of accident due to
adjusting vehicle settings while the vehicle
is in motion
You could lose control of the vehicle in the
following situations in particular:
If you adjust the driver's seat, the head
restraints, the steering wheel or the mirror
while the vehicle is in motion...
When driving on sand, also observe the following
instructions:
Select the drive program.
Select a higher vehicle level.
Shift to a lower gear.
Drive quickly to overcome the rolling resistance;
the vehicle may otherwise dig itself in.
Drive in the tracks of other vehicles if possible...