Mercedes-Benz GLC : Display messages and warning/indicator lamps / Warning and indicator lamps
Some systems will perform a self-test when the
ignition is switched on. Some indicator and
warning lamps may briefly light up or flash. This
behavior is non-critical...
Other information:
T..
WARNING Risk of accident due to
adjusting the 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
restraint, the steering wheel or the mirror
while the vehicle is in motion
If you fasten your seat belt while the vehi‐
cle is in motion
Before starting the
engine: In particular,
adjust the driver's seat, head restraint,
steering wheel and mirror, and fasten
your seat belt...