new trunk gas struts = top won't lower - Mercedes Benz SLK Forum

SLK R170 General Discussion SLK 200, SLK 230K, SLK 320, SLK32 AMG

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#1 Old 4 Weeks Ago
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new trunk gas struts = top won't lower

I replaced both trunk gas struts, and now the trunk jams when trying to lower the roof. The trunk rotates back but then stops (the motor is still running, attempting to move). The latch is stuck.


How do I adjust this?
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#2 Old 4 Weeks Ago
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Have a helper pull the red switch back while you stand behind the car, and give the lid a little help by pulling backwards slightly on the leading edge of the lid. If the roof starts moving, watch your fingertips. Let us know if that helps.
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#3 Old 4 Weeks Ago
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Garage
https://www.slkworld.com/slk-r170-class-diy/

Have a look through the diys.
Had this with our 230, but can't remember where I found the fix.
The piece attached to the bodywork has some adjustment (2 screws I think).

If you open the boot and look at the other half I think you can see some adjustment there.

(might need to remove plastic covers).

But changing struts should not have caused this.
Are struts perfectly in position, I wonder.
And stops reattached.
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#4 Old 4 Weeks Ago
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Hi,

The Latch in picture should remain locked when opening and closing the Roof.

If it worked fine before you changed the struts it is likely something you have done ....................

Firstly, did you check new and original struts compared to each other, length travel etc ??

HTH, Cheers Dave
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#5 Old 3 Weeks Ago
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(Thread Starter)
I put the original strut back in and had the exact thing happen. The trunk moved back and then stopped with the electric motor still straining. It appears to be stuck in the latch for some reason. The trunk will still open and close normally, though. Without any other modifications, I'm stuck to what the problem could be.
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#6 Old 3 Weeks Ago
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Hi,

That latch in your picture is not supposed to open when you are lowering / raising the roof, it holds the trunk to the hinge bar, it is only there for opening and closing trunk to load and unload luggage etc.

HTH, Cheers Dave
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#7 Old 3 Weeks Ago
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Why don't you check the trunk limit switch? I had exactly the same problem - trunk rotates and then everything stops except the pump still running. Have a look at THIS thread.
At the same time my struts would not hold the trunk and I changed them - no progress in roof operation problem at all.
At the end - the limit switch leaver was broken in half. Changed that and 1 year later everything still works.
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