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2009 GL320 - 2005 SL600 - 1989 260E - 1991 Allante - Old Jeep
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154 Posts
Discussion Starter #1
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
 

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2003 SL500, 2005 ML500SE, 2005 CLK500 Cabriolet Avantgarde
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249 Posts
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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