Mercedes-Benz GLC Series Operator's Manual page 132

130 Light and visibility
Fold the wiper arms back onto the wind‐
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shield.
Switch on the ignition.
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Press the î button on the combination
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switch ( page 127).
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The wiper arms will return to the original
position.
Switch the ignition off.
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Maintenance display
Remove protective film 1 from the mainte‐
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nance display on the tip of the newly instal‐
led wiper blades.
When the color of the maintenance display
changes from black to yellow, the wiper blades
should be replaced.
% The duration until the color changes varies
depending on the usage conditions.
Replacing the rear window wiper blade
& WARNING Risk of becoming trapped if
the windshield wipers are switched on
while wiper blades are being replaced
If the windshield wipers begin to move while
you are changing the wiper blades, you can
be trapped by the wiper arm.
Always switch off the windshield wipers
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and the ignition before changing the
wiper blades.
Removing the wiper blade
Switch the ignition off.
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