Mercedes-Benz GLC 200 4MATIC Owner's Manual page 159

156 Light and sight
1
Remove protective film from the mainte-
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nance display.
When the colour of the maintenance display
changes from black to yellow, the wiper blades
should be replaced.
Replacing the rear window wiper blade
& WARNING Risk of becoming trapped if the
windscreen wipers are switched on while
wiper blades are being replaced
If the windscreen wipers begin to move while
you are changing the wiper blades, you can be
trapped by the wiper arm.
Always switch off the windscreen wipers
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and vehicle before changing the wiper
blades.
Removing the wiper blade
Switch off the vehicle.
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2
Fold wiper arm away from the rear window
#
until it engages in the replacement position.
Unclip wiper blade 1 from wiper arm
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remove it in the direction of arrow 3.
2 and