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SL55/63/65/R230 AMG: Help undo this screw

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Old Jan 27, 2019 | 06:29 PM
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03 SL55 AMG
Help undo this screw
Anyone tried to undo this screw? It's in the trunk next to the battery on a 03 SL55.

What I did:
Took the plastic skid plate by the exhaust pipes off to access from underneath. Nothing there.
Applied penetrating spray on the screw. Put two nuts on the screw and applied force to the bottom nut. No success.

It seems that the screw is not a set screw. It's actually a bolt done from the bottom of the battery housing before they welded the housing to the body.
Any idea helps.


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Old Jan 27, 2019 | 08:43 PM
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it would be welded in
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Old Jan 28, 2019 | 11:13 AM
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It's not a bolt, its a threaded stud. Only option to remove would be to cut it. Why do you want to remove it anyways?
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Old Jan 28, 2019 | 11:19 AM
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Doesn’t come out
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Old Jan 28, 2019 | 02:14 PM
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03 SL55 AMG
Yep there’s no way undoing this stud w/o cutting it. The only reason is to make more room for a bigger battery like group 49 or 34R or 94R
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Old Jan 29, 2019 | 10:03 AM
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I think you would be better off to use the right battery
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