Mercedes-Benz C-Class Operator's Manual page 127

Problems with the windshield wipers
Problem
The windshield wipers
fail completely.
The windshield washer
fluid from the spray
nozzles no longer hits
the center of the wind-
shield.
Possible causes/consequences and M Solutions
The windshield wiper drive is malfunctioning.
Select another wiper speed on the combination switch.
X
Have the windshield wipers checked at a qualified specialist
X
workshop.
The spray nozzles are misaligned.
Have the spray nozzles adjusted at a qualified specialist work-
X
shop.
Windshield wipers
Z
125