Mercedes-Benz W210 wipers and washer pump
E220 CDI
Why do the W210 wipers not move even though the motor turns?
The plastic gear of the wiper motor can be worn smooth so that the drive does not grip. Another cause is a detached or loose joint in the linkage, worn by rust. If the motor does not turn at all, check the fuse and the motor connector.
The wiper does not work after a windscreen replacement, what is the fault?
The wiper motor has to be removed during a windscreen replacement, and its connector may be left unplugged. The connector is in front of the glass. The rain sensor can also work erratically if it has been fitted carelessly; also clean the outside of the glass.
Why does the W210 washer pump not deliver fluid?
The connector on the motor side of the pump can be oxidised; unplug it and plug it back in. If the pump runs but no fluid comes out, the hose may be frozen or the nozzles blocked. If the pump does not run, check the power supply and the fuses.
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