Mercedes-Benz E CLASS 2020 Operator's Manual page 131

Installing the wiper blades
Insert the new wiper blade into the wiper
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arm in the direction of arrow 1.
Slide catch 2 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‐
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rectly.
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.
The wiper arms will move into the original
position.
Maintenance display
The maintenance display is available only for
standard windshield wipers.
3
Light and visibility 129
Remove protective film 1 from the mainte‐
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nance display on the tip of the newly instal‐
led wiper blades.
If 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.