Windscreen wiper fault

[birky101]

Hi when I pulse my windscreen wiper to move once it just keeps going for a few minutes before stopping also when I switch it to intermittent they go continuously even when I turn them off !
It's a C180 W202 S reg 1998 has anyone got any ideas how to cure the problem please

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[LostKiwi]

Sounds like a bad self parking switch in the motor.

 

[birky101]

Sounds like a bad self parking switch in the motor.

Is it an easy fix ?

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[LostKiwi]

No idea sorry - never done one!

 

[LostKiwi]

It could also be a sticking wiper motor relay.

 

[Blobcat]

Pictures have gone but this thread has some good maintenance information. The single wiper does require maintenance to keep running correctly.

 

[Uncle Benz]

Park switch is built into the motor, and is not a serviceable part. From Mercedes the motor is a lot of money. Eurocarparts do one for a very reasonable price, but expect to buy three before you get one that actually works properly. Most of them jump over the park position, albeit with a slight hesitation, one time in three. I may have lost my temper over these a few times...

 

[John Laidlaw]

Park switch is built into the motor, and is not a serviceable part. From Mercedes the motor is a lot of money. Eurocarparts do one for a very reasonable price, but expect to buy three before you get one that actually works properly. Most of them jump over the park position, albeit with a slight hesitation, one time in three. I may have lost my temper over these a few times...

“May”?

 

[robparker]

Buy a second hand 210 assembly, it bolts straight on (you need to swap the actual arm over, 1 Allen bolt, due to different length) but for some reason the 210 assembly's are much tougher than the 202 ones, therefore cheaper too as there is less demand