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Old 10-07-2000, 12:20 AM
Mr. BILL's Avatar
Ghoulardi Rules!
Join Date: Aug 2000
Location: Austin, TX
Posts: 576
My '90 300SE's sunroof won't open. The motor sounds like it wants to work but the roof panel is stuck. It is lower on the passenger side (about 1/8").

Inside, I noticed you can push the rear of the passenger sunroof headliner up as though there is nothing holding it into place. Over the driver it seems to be attatched to a frame or something so you can't push it up.

I have read other posts and can't tell if this is a possible adjustment or a big deal to fix.

I sure would appreciate any help as there is a short time during the year that one can enjoy a sunroof here in Texas.



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Old 10-07-2000, 10:25 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
There could be one or more than one problem here. I would take this to a pro. The sunroof is not that complex after you learn it. Learning it is the key though. I would stay away if I did not know them or at least did not have the manual to repair. You can do damage to the inner sleeve (conduit) and then you have had a really bad day.
There are over 25 steps in the adjustment process. Many people do not know this. I had a tech who had worked on Mercedes for longer than I have been alive. One day he had a sunroof that wouldn't work correclty after he'd repaired it. I went and correctly adjusted it. It worked. Then I showed him the book and where to find the information.

The point is you need professional help, but make sure they know how to correctly find the problem and repair it.

Donnie Drummonds
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Old 10-08-2000, 01:19 PM
Posts: n/a
It's the tilt angles that break. Usally in the process I replace both side tilt angles, bridge and cable, however the cable is not always necessary.
There is a bunch of tricks in doing these sliding roofs and if you have never done one, seek professional help. Even if you follow book procedure, you'll have problems.

Mercedes-Benz Master Guild - 2 years
Shop Foreman - 20 + years - dealer.
Part owner - MBZ Transmission remanufacture
2000 SL500
1995 E320
1989 300SE
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Old 10-08-2000, 02:28 PM
Mr. BILL's Avatar
Ghoulardi Rules!
Join Date: Aug 2000
Location: Austin, TX
Posts: 576
Benzmac and Ian,

Thanks for the responce. I'll follow your recommendation and seek professional help...on the car that is.

You all are great!


[This message has been edited by Mr. BILL (edited 10-08-2000).]
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