Thoughts on a hardtop problem. - Mercedes Benz SLK Forum

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#1 Old 06-02-2009
 
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Thoughts on a hardtop problem.

Hey all, for those of you have dealt with hardtop issues, perhaps you can help me diagnose this problem.

First, I have a 1998 SLK 230. The hard top will not go down. When I push the switch to activate the convertible top, the windows all go down and then the trunk starts to lift a few inches on the passengers side, but it will not lift much on the drivers side (maybe an inch).

I assumed it was the hydraulic system, but heres the deal.... I used the allen wrench and depressurized the hydraulic system and took the top down manually. I screwed the allen screw back in, and allowed the hydraulic system to repressurize. I pushed the hardtop switch up and then the top went up perfectly: the trunk lifted, the top unfolded and it locked into place, windows up. It seems obvious it isn't the lifters... can anyone speculate as to what switch/relay it is. It is kind of throwing me for a loop... It will go up but not go down, and its not the hydraulic system.

Thank you in advance for your help.
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#2 Old 06-02-2009
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I've recently had some problems with my hard top as well. The trunk seems to get stuck when trying to lift. I've noticed this especially happens if I am not parked on an even surface, and realized this is probably my problem. Could that be it?
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#3 Old 06-02-2009
 
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Hmm, I can't say that has had an effect. I have been trying to operate it on some very flat grades, and it hasn't worked. Thanks for the suggestion though.
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#4 Old 06-02-2009
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There is a limit switch in the trunk for both sides. It is located under all the plastic panels near the main arm for the trunk. If i can find the link with all the switch's i'll post it for you.
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#5 Old 06-02-2009
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#6 Old 06-02-2009
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#7 Old 06-02-2009
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#8 Old 06-12-2009
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top won;t retract

I HAVE THE SAME PROBLEM THE TOP WON'T GO DOWN I TOOK IT IN FOR A DETAILING AND WHEN I GOT IT BACK THE TOP WON;T GO DOWN WHAT IS FIRST THANT I SHOULD LOOK FOR ANY FUSE OR RELAYS SORRY ABOUT THE cAPS I DIDN'T NOTICE WUTILL I WAs finished thanks for any help
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#9 Old 06-12-2009
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Your caps crack me up...

Check fuse 24, 40 amp - hydraulic, fuse 25, 20 amp - pneumatic

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#10 Old 06-13-2009
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Any update on the fix(es) for this problem?
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#11 Old 06-13-2009
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May be obvious, but make sure the guard in the trunk is fully closed...
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#12 Old 06-16-2009
 
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Quote:
Check fuse 24, 40 amp - hydraulic, fuse 25, 20 amp - pneumatic
Checked fuses today, all are intact. Guess its a switch?
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#13 Old 01-04-2012
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Okay so, I am 15 and just bought my first car (slk 230) top didn't work, come to find out the front 3 cylinders were leaking. Bought a kit on ebay for 34 dollors. I fixed it and than ran the top up and down about 7 times, worked perfectly. Than i had the exact same problem. So than i went to the hydraulic pump, took off the aluminum allen next to the depressurizing allen, than i took off that allen (be careful theirs a spring on the end) and there was a little nylon seal on the end of that, and it was all broken up. I put a small o-ring in replacement and cleaned out the hole with WD-40 and than it worked perfect! Take a look at yours. It maybe this or you might just have leaking rear cylinders. Or it might also be fuses like they said above. My back passenger side is leaking also and i just sent them out to a guy in Oregon to get them fixed because the seals are machined in. Heres a link for the guy in Oregon if this is the case. http://www.tophydraulicsinc.com/en/20-r170-slk
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#14 Old 01-04-2012
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