S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

Sunroof slider won't go all the way back

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Old Mar 10, 2024 | 09:29 PM
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sl600fanatic's Avatar
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Smile Sunroof slider won't go all the way back

Hello on my 1999 W140 with only 10K miles my sunroof slider portion will not go back more than about 3 inches and seems like it is hitting something because the fabric is wrinkled in the back please see the attached photo. Any ideas? I do not want to force it. Motor etc all work, the car is pretty much a time capsule.
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Old Mar 13, 2024 | 10:29 PM
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sl600fanatic's Avatar
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Any help would be greatly appreciated.
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Old Mar 16, 2024 | 12:42 PM
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W140 & W221
go about fixing

Originally Posted by sl600fanatic
Any help would be greatly appreciated.
Hi, you probably have the adhesive on the liner/cover failing, has just begun to hang down from the back edge and start catching on drive. Here's a great write up on complete fix:

https://www.benzworld.org/threads/di...-pics.1610502/

Let me know if you want to sell, I can't believe such low miles!
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Old Sep 1, 2024 | 10:22 PM
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The sound deadening insulation on the roof has fallen down and is jamming the sunroof shade and the sunroof.
A common problem with the W140. You must remove the sunroof and shade to throughly remove all the old insulation. Installing new insulation is not necessary. Reattach/secure the sunroof shade fabric. Reinstall the sunroof shade and sunroof. I had to do this on both my W140s.
Search the forum for how to remove the w140 sunroof.



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