Mercedes-Benz C-CLASS CABRIOLET Operator's Manual page 115

Slide the catch ; in the direction of arrow =
X
until it engages in the locking position with a
noticeable click.
Make sure that the wiper blade is seated cor-
X
rectly.
Fold the wiper arm back onto the windshield.
X
Problems with the windshield wipers
Problem
The windshield wipers
are jammed.
The windshield wipers
fail completely.
The windshield washer
fluid from the spray noz-
zles no longer hits the
center of the windshield.
Possible causes/consequences and M Solutions
Leaves or snow, for example, are obstructing windshield wiper move-
ment. The wiper motor has been deactivated.
Switch off the engine.
X
Remove the SmartKey from the ignition lock.
X
or, on vehicles with KEYLESS-GO or KEYLESS‑GO start function:
Open the driver's door.
X
The vehicle electronics are now in position u. This means: "Key
removed".
Remove the cause of the obstruction.
X
Switch the windshield wipers back on.
X
The windshield wiper drive is malfunctioning.
Select another wiper speed on the combination switch.
X
Have the windshield wipers checked at a qualified specialist work-
X
shop.
The spray nozzles are misaligned.
Have the spray nozzles adjusted at a qualified specialist workshop.
X
Windshield wipers
Remove the protective film : from the ser-
X
vice indicator on the tip of the wiper blade.
If the color of the service indicator changes from
black to yellow, the wiper blades should be
replaced.
i
The duration of the color change varies
depending on the usage conditions.
113
Z