Question Details

Hi, I'm thrilled to find this website!
I have a 2004 E320 wagon. My windshield washer doesn't work, although my tailgate washer works normally. Do they use the same pump? If so, it sounds like the line may be plugged or disconnected, rather than an issue with the pump itself.

Also, this car has headlight washers that don't do anything at all. Apparently they are supposed to come through two holes in the bumper and squirt washer fluid on the headlights. Are these connected with the windshield washer in any way?

Many thanks, Joe

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MBFanatic  1 year 1 month ago

Both the windshield washer and headlight cleaning system use the same reservoir. The back wipers also use the front reservoir as far as I know. 

I do not know if they use the same pump. There may be two separate pumps one for front and the other for the back. In which case the front pump may be damaged for your car. 

 

The reservoir is located on the passenger side behind the fender. If you remove the wheel liner you should be able to inspect and figure out what is wrong. 

Let us know what you find out.