Mercedes-Benz GLC : Parking Assist PARKTRONIC / Adjusting the volume of the warning tones
Select Warning Tone Volume.
Set a value.
Other information:
To preserve the engine during the first
1000 miles (1500 km):
Drive at varying road speeds and engine
speeds.
Do not drive at speeds greater than 85 mph
(140 km/h).
Drive the vehicle in drive program
or.
Shift to the next highest gear at the very latest
when the needle reaches the last third
before the red area in the tachometer...
Observe the notes on operating fluids.
NOTE Engine damage caused by an
incorrect oil filter, incorrect oil or additives
Do not use engine oils or
oil filters other
than those which meet the specifications
necessary for the prescribed
service intervals...