Mercedes-Benz 500 SEC Operator's Manual page 118

Replacing Wiper Blades
For safety reasons, remove key from
steering lock before replacing a wiper
blade, otherwise the motor can
suddenly turn on and cause injury.
Windshield Wiper Blades
Removal:
Pull wiper blade arms upward from the
rest position to their stop.
Replace wiper blades one at a time to
prevent the wiper arms from sliding
back to the rest position.
Fold wiper arm forward. Press safety
tab down (1), push wiper blade
downward (2) and remove,
Installation - driver's side:
Press safety tab of new wiper blade
down. Insert wiper blade between the
tabs (3) on the wiper arm and slide into
end of wiper arm. Then press safety tab
upward until it locks in place.
Installation - passenger side:
Fold wiper arm forward and slide wiper
blade into end of wiper arm until safety
tab locks in place.
Note:
Do not open engine hood with wiper
arms folded forward.
Headlamp Wiper Blades
Removal:
Fold wiper arm forward. Push pin (1)
and remove.
Installation:
Place wiper blade on wiper arm and
press in pin (1).
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