Are these models notorious for having the rear window reglator go out? I remember I replaced 2 on my rear passenger door in 13 months ( I know it was 13 months because the MB stealship did not wanna give me a warranty job and it was only 1 year and a week out since they replaced it!) Anyways, I rolled down my rear driver window today and heard a snap! then I thought (oh snap!) and my window could not roll up. I took off the door panel and noticed that the motor would roll up and down, both directions, but there was just extra slack on the cable. How do I take out the regulator? and Do I need to buy a whole new one or can I just see why the extra slack on the cable and fix it?

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1990 190E 3.0L

Yes, they are weak! But never had that frequent issue with them.

There are versions made in China that fail quite quickly,


I have one brand new OE regulator. I will look & see which side if you want to buy it.

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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

is it easy to replace?

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1990 190E 3.0L

Takes a "good" MB tech about 30-45 minutes.

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

multiplythat by three and that's how long it will take me. is it pretty straight forward, I don't wanna mess anything else up whille I'm there

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1990 190E 3.0L