W211 rear screen washer not working

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Satch

MB Enthusiast
Joined
Nov 24, 2003
Messages
3,508
Location
Surrey
Car
S211 E320Cdi Avantgarde Estate & Toyota Land Cruiser
Very irritating :(

Windscreen wash works as does headlamp wash

Rear screen nothing: no sound of pump running but rear wiper does its stuff when the rear wash button is depressed.

No sign of a fuse or relay that I could see on guide sheet for either front or rear array.

So immediate questions before I go grovelling around:

1. One washer pump motor for front and rear screen with some kind of valve arrangement to direct flow?

or

2. Two motors?

3. All located under wheel arch? If not where?
 

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