Mercedes-Benz M-Class Owner's Manual page 121

Windscreen wipers
118
Fitting the wiper blades
Position the new wiper blade in the retainer
X
on the wiper arm and slide it into place in
the opposite direction to the arrow.
The wiper blade audibly engages.
Make sure that wiper blade is seated cor-
X
rectly.
Fold the wiper arm back onto the wind-
X
screen.
Replacing the rear window wiper blade
Removing the wiper blade
G WARNING
The wiper arm could be set in motion and
injure you if the windscreen wipers are
switched on.
Remove the key from the ignition lock before
replacing the wiper blade.
Remove the key from the ignition lock.
X
Fold wiper arm : away from the rear win-
X
dow until it engages.
Position wiper blade ; at a right angle to
X
wiper arm :.
Hold wiper arm : and press wiper
X
blade ; in the direction of the arrow until
it releases.
Remove wiper blade ;.
X
Fitting the wiper blade
Place new wiper blade ; onto wiper
X
arm :.
Hold wiper arm : and press wiper
X
blade ; in the opposite direction to the
arrow until it engages.
Make sure that wiper blade ; is seated
X
correctly.
Position wiper blade ; parallel to wiper
X
arm :.
Fold wiper arm : back onto the rear win-
X
dow.
Problems with the windscreen wipers
The windscreen wipers are obstructed
Leaves or snow, for example, may be
obstructing the windscreen wiper movement.
The wiper motor has been deactivated.
For safety reasons, you should remove the
X
key from the ignition lock.
or
Switch off the engine using the Start/Stop
X
button and open the driver's door.
Remove the cause of the obstruction.
X
Switch the windscreen wipers back on.
X
The windscreen wipers are inoperative
The windscreen wiper drive is malfunctioning.
Select another wiper speed on the combi-
X
nation switch.
Have the windscreen wipers checked at a
X
qualified specialist workshop.
The spray nozzles are misaligned
The windscreen washer fluid from the spray
nozzles no longer hits the centre of the wind-
screen. The spray nozzles are misaligned.
Have the spray nozzles adjusted at a quali-
X
fied specialist workshop.