SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: top closes, trunk will not

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Old Aug 26, 2012 | 02:56 PM
  #1  
HamMan's Avatar
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From: The Great North West USA
2015 E400 Cab - 2013 GL350 - 2013 ML350 - 2006 E350 - Old Jeep
top closes, trunk will not

Just bought a 2005 SL600.

First time top goes down & up fine.

2 hours later top will go up but trunk will not close.

Top will go back down & trunk will latch ok.

I am stuck with the top down.

What to do?

Thanks
Attached Thumbnails top closes, trunk will not-trunk-stuck-open.jpg  
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Old Aug 26, 2012 | 04:39 PM
  #2  
Stoofpilot's Avatar
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Posts: 175
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From: Wilmington, NC
2004 SL500
Check the two flaps on the trunk. With the top up, flaps are suppose to lie flat against the trunk lid.

Other issue might be the hydraulic pump. Mine went out with the top down and the trunk lid left in the vertical position.

Good luck with it. Hope you have a warranty.
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Old Aug 26, 2012 | 06:07 PM
  #3  
egwu's Avatar
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Joined: Feb 2010
Posts: 72
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From: Washington DC Metro
2003 SL500, 2005 ML500 SE, 2005 CLK500 Cabriolet Avantgarde
My guess is you have a leaking valve cylinder in the lock mechanism. There are several of such cylinders involved in the roof operation. It may also be one of the switches. Some members on the forum have traced theirs to the trunk flap switch. Then again, it may be low level hydraulic fluid in the hydraulic pump (Which means the fluid is leaking somewhere. It doesn't just evaporate).

Basically there is no one answer, but a search of the forum would definitely provide some clues to other members' experiences. In any case, this diagnosis article could help locate the exact problem and provide a general overview of how the system works:

Vario Roof Diagnostic Aid
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Vario Roof Diagnostic Aid.pdf (1.14 MB, 1690 views)
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Old Aug 27, 2012 | 01:17 PM
  #4  
HamMan's Avatar
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From: The Great North West USA
2015 E400 Cab - 2013 GL350 - 2013 ML350 - 2006 E350 - Old Jeep
Thank you.

Very helpful
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Old Apr 7, 2016 | 07:44 AM
  #5  
Mas88s's Avatar
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2003 SL55
Hi Steve,
I know its been a while but what solved this/your problem ?
I am having the exact same issues.
Any help would be greatly appreciated.
Thanks, Mark
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Old May 16, 2023 | 02:28 AM
  #6  
SL_Lover25's Avatar
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Joined: May 2023
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From: NJ
2003 SL55 AMG
Originally Posted by Mas88s
Hi Steve,
I know its been a while but what solved this/your problem ?
I am having the exact same issues.
Any help would be greatly appreciated.
Thanks, Mark
Hey Mas was wondering if you ever solved your top problem. I’m having the same problem now too lol. Would appreciate your reply thanks - GC
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Old May 16, 2023 | 10:04 PM
  #7  
HamMan's Avatar
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Joined: Sep 2009
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From: The Great North West USA
2015 E400 Cab - 2013 GL350 - 2013 ML350 - 2006 E350 - Old Jeep
Here is what worked for me...
Words are from another poster at the time:Repair kit is P/N: 230-750-01-11 List price $62.48 Install took me ~45 minutes to do both sides, but it included a beer/smoke break between the two sides.

Edit: Kit includes parts for both sides if you were wondering.
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