Mercedes-Benz GLC : Replacing the windshield wiper blades / Removing the wiper blades
Fold the wiper arms away from
the windshield.

Hold the wiper arm with one
hand. With the
other hand, turn the wiper blade away from
the wiper arm in the direction of arrow
as
far as it will go.
Slide catch
in the direction of arrow
until it engages in the removal position.
Remove the wiper blade from the
wiper arm
in the direction of arrow
.
Switch the ignition on and then
off again
immediately.
Within around 15 seconds, press
and hold
the button on the combination
switch for approximately three seconds...
Insert the new wiper blade into
the wiper
arm in the direction of arrow .
Slide catch
in the direction of arrow
until it engages in the locking position...
Other information:
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 vehicle
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...
..