Mercedes-Benz M-Class Operator's Manual page 137

Installing a 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
X
window.
Windshield wipers
135
Z