Mercedes-Benz 2013 M Class - Manual (Page 136)

Never fold a windshield wiper arm without
a wiper blade back onto the windshield/
rear window.
Hold the windshield wiper arm firmly when
you change the wiper blade. If you release
the wiper arm without a wiper blade and it
falls onto the windshield/rear window, the
windshield/rear window may be damaged
by the force of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at a qualified
specialist workshop.
! To avoid damaging the wiper blades,
make sure that you touch only the wiper
arm of the wiper.
Changing the windshield wiper blades
Removing the wiper blades
X Remove the SmartKey from the ignition
lock.
X Fold the wiper arm away from the
windshield.
X Firmly press release knob : and pull wiper
blade ; upwards from the wiper arm in the
direction of the arrow.
Installing the wiper blades
X Position new wiper blade : in the retainer
on the wiper arm and slide it into place in
the direction of the arrow.
The wiper blade audibly engages.
X Make sure that wiper blade is seated
correctly.
X Fold the wiper arm back onto the
windshield.
Replacing the rear window wiper blade
Removing the wiper blades
X Remove the SmartKey from the ignition
lock.
X Fold wiper arm : away from the rear
window until it engages.
X Position wiper blade ; at a right angle to
wiper arm :.
X Hold wiper arm : and press wiper
blade ; in the direction of the arrow until
it releases.
X Remove wiper blade ;.
134
Windshield wipers
Lights and windshield wipers