2002 G500 sunroof problem - Mercedes-Benz Forum
 
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post #1 of 8 (permalink) Old 04-06-2013, 01:45 PM Thread Starter
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2002 G500 sunroof problem

I have a 2002 G500. Yesterday I started noticing my sunroof not functioning properly. It was going real slow opening and retracting. Today it's not working at all. I can manually (with my hands) open it and shut it. However I cannot shut it all the way, the back will not come up all the way. The motor is still running I've removed the cover on the rear driver's side and see both wheels spinning. I need advice, I assume it has something to do with the cable but have no clue where to go from there. Also, if nobody has a fix for that is there a way to manually close it to where the sunroof will come up all the way in the back so I can avoid rain leaking and road noise. Thanks all!
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post #2 of 8 (permalink) Old 04-06-2013, 04:04 PM
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I'll ass=u=me that it is somewhat similar to the 2000 sunroof. Check your owners manual to be sure.
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File Type: pdf SunRoof.pdf (225.5 KB, 240 views)
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post #3 of 8 (permalink) Old 04-06-2013, 07:54 PM Thread Starter
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I'll ass=u=me that it is somewhat similar to the 2000 sunroof. Check your owners manual to be sure.
Thank you for the reply! However, the motor is working just fine. I believe the cable is the problem. So I really need a way to close it without using the motor or a way to replace the cable. Any help will be greatly appreciated.
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post #4 of 8 (permalink) Old 04-07-2013, 02:25 AM
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Thank you for the reply! However, the motor is working just fine. I believe the cable is the problem. So I really need a way to close it without using the motor or a way to replace the cable. Any help will be greatly appreciated.
Did you try closing it manually as shown in the PDF posted above? Is it possible that the motor clutch is slipping?
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post #5 of 8 (permalink) Old 04-07-2013, 06:25 AM Thread Starter
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Did you try closing it manually as shown in the PDF posted above? Is it possible that the motor clutch is slipping?
I guess it could be. I'll try it and update
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post #6 of 8 (permalink) Old 04-07-2013, 09:26 AM Thread Starter
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I guess it could be. I'll try it and update
Ok the wheel on the motor is spinning just fine. My guess is that it has go be the cable.
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post #7 of 8 (permalink) Old 04-07-2013, 10:17 AM
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Maybe one of these will help. Good luck!
Attached Files
File Type: pdf Sliding_Roof.pdf (775.7 KB, 328 views)
File Type: pdf SunRoofMotorAdj.pdf (82.8 KB, 162 views)
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post #8 of 8 (permalink) Old 04-07-2013, 12:45 PM
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Chances are that the mechanism in the roof is gummed up. It is the same mechanism as a W216 or W140, so an MB shop should know how to deal with it.
If you want to dig into the internals, PM me and I can send you some manual pages covering that.

...Alan
63 230SL
96 G300DT
98 E300DT
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