Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 168

166 Light and sight
Fitting the wiper blades
Insert the new wiper blade into the wiper arm
#
in the direction of arrow 1.
2
Slide catch in the direction of arrow
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until it engages in the locking position.
Make sure that the wiper blade is seated cor-
#
rectly.
Fold the wiper arms back onto the wind-
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screen.
Switch on the ignition.
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Press the î button on the combination
#
switch.
The wiper arms will return to the original posi-
tion.
Switch the ignition off.
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%
Check the condition of the wiper blades regu-
larly and replace them if there is visible dam-
age or continual smearing.
3
P223 0288 02
Maintenance display
Remove protective film 1 from the mainte-
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nance display on the tip of the newly fitted
wiper blades.
When the colour of the maintenance display
changes from black to yellow, the wiper blades
should be replaced.