http://catalog.peachparts.com/ShopByVehicle.epc?q=1994-Mercedes--benz-E3--0--Sedan-Climate--Control&yearid=1994%40%401994&makeid=63%40%40MERCEDES%2DBENZ%40%4063%40%40MERCEDES%2DBENZ%40%40X&modelid=6391%3ABT%7C5%3AMBC%7C1508%3AED%7C10000022%40%40E320+Sedan&catid=242213%40%40Climate+Control&subcatid=242303@@Blower+Motor&mode=PA

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A Dalton

again thanx Arthur, just that now the search begins for a blower motor for car with dust filter without cages (as this will save me over $200) ... i have found a new Bosch motor only for cars without dust filter for about $80, but I am worried it is too weak for my car that has dust filter ... or that there lies some other part difference

Well, I would not do anything until I jumpered the Blu wire to see if your speed problem is in fact the blower..it could well be the Regulator or input trigger signal to the reg.
That is why I mention the Test.

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A Dalton

ahhh alright ... going outside right now to have a look

Same motor for both- no issue about being "too weak". However, the spindle may have a different diameter between each- I don't know.

The main difference is the dimensions of the cages- the "with filter" cages are longer and have larger diameter.

Somewhere, either here or 500ecstasy dot com, a member named gsxr posted side by side pics of both to document the difference.

thank you for clearing that up as i was always curious causing me to babble on about it in this thread .... i do have progress though thanx to Arthur ... put negative to the blue wire on the blower and sure enough high speed came on and scared the crap out of me .... b4 that let it run in high and low setting then this feels 100 times faster .... now i believe i have to narrow it down between blower motor regulator and push button unit with i believe testing voltage behind brake booster

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Correct. You want to be looking at the trigger variable V. at YL.

If YES, then suspect is reg,,,, if No , then suspect is Control Panel.

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A Dalton