Mercedes-Benz M-Class 2010 Owners Manual - Manual (Page 320)

i If it is not possible to obtain a proper
headlamp adjustment, have the system
checked at an authorized Mercedes-Benz
Center.
Replacing wiper blades
Safety notes
G Warning!
For safety reasons, switch off the wipers and
remove the SmartKey from the starter switch
(vehicles with KEYLESS-GO: Make sure the
vehicle’s on-board electronics have status
0)
before replacing a wiper blade. Otherwise, the
wiper motor could suddenly turn on and cause
injury.
G Warning!
Wiper blades are components that are subject
to wear and tear. Replace the wiper blades
twice a year, preferably in the spring and fall.
Otherwise the windows will not be wiped
properly. As a result, you may not be able to
observe surrounding traffic conditions and
could cause an accident.
! Never open the hood when a front wiper
arm is folded forward.
Hold on to the wiper when folding a wiper
arm back. If released, the force of the
impact from the tensioning spring could
crack the windshield or the rear window.
Do not allow a wiper arm to contact the
windshield glass or the rear window
without a wiper blade inserted.
Mercedes-Benz recommends that you have
this work carried out at an authorized
Mercedes-Benz Center.
X Remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO:
X Make sure the vehicle’s on-board
electronics have status
0 ( Y page 80).
Removing wiper blades
Front wiper blades
! Do not pull on the wiper blade inserts.
They could tear.
X Fold the wiper arms forward until they
engage.
X Press tabs ; together.
X Tilt wiper blade : away from wiper arm
=.
X Take off wiper blade : in direction of
arrow.
Rear wiper blade
! Do not pull on the wiper blade insert. It
could tear.
X Fold wiper arm : away from the rear
window until it engages.
X Turn wiper blade ; as far as it will go.
318
Replacing wiper blades
Practical hints
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