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:
WARNING Risk of entrapment when
opening a side window
When opening a side window, parts of the
body could be drawn in or become trapped
between the side window and window frame.
When opening, make sure
that nobody
is touching the side window.
If someone is trapped,
release the button
immediately or pull it in order to
close the side window again...
..