mbnj

I have a 2009 4matic wagon that recently developed a rear window sprayer problem. My sprayer was just dribbling out fluid when I actuated the twist switch on the stalk and then stopped dispensing any fluid at all. After only a few twists the low washer fluid warning came on. The resevoir had been full three days earlier. The front sprayers work perfectly even when the rear stops completely and the warning is on. I've refilled twice more with the same results. I suspect a loose connection somewhere going back to the rear nozzle. Anyone know how to trace the tubing back? Nothing in manual.

konigstiger

Hose http://workshop-manuals.com/mercedes...ce_and_repair/ + next page
http://workshop-manuals.com/mercedes...es/page_21677/
http://www.google.com/url?sa=t&rct=j...,d.eXY&cad=rja
http://workshop-manuals.com/mercedes...te/page_23425/

Reservoir http://workshop-manuals.com/mercedes...uid_reservoir/ + next pages
Pump http://workshop-manuals.com/mercedes...ce_and_repair/
Fluid level switch http://workshop-manuals.com/mercedes...ion/locations/

mbnj

Thank you very much! Looks like leakage is only coming from the reservoir area and when either front or rear wheel window sprayer is actuated. I'll check for a loose hose connection hoping for the easiest fix first. Thank you for these diagrams.