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Trunk Lid Won't Swing Open

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Old 09-01-2010, 11:25 AM
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c200 Kompressor
Trunk Lid Won't Swing Open

My trunk lid used to swing open when the release button is pressed.
I noticed recently that while it unlocks when the release button is pressed, it no longer swings open.
Is there an adjustment to tweak inorder to let it swing open?
I tried the following
1. lubricated the hinges thinking they could have been sticking
2. cleaned the rubber moulding

still same.
Old 09-01-2010, 12:04 PM
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pcy
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'14 ML350, '13 C220 CDI, '07 C280, '98 ML320
There are 2 heavy springs on both sides attached to the 2 arms that attach the lid to the body/frame. One way to solve the issue is by lubing those springs (where those springs are attached) OR by replacing those 2 springs.

I am referring to the part labeled #90 in the picture attached below.
Attached Thumbnails Trunk Lid Won't Swing Open-c280_deck_lid_parts.jpg  
Old 09-01-2010, 12:24 PM
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Originally Posted by pcy
There are 2 heavy springs on both sides attached to the 2 arms that attach the lid to the body/frame. One way to solve the issue is by lubing those springs (where those springs are attached) OR by replacing those 2 springs.

I am referring to the part labeled #90 in the picture attached below.
@ PCY.
Great to have Service Manual.
Now I know what to look for.
Many Thanks.
Great Help.
Old 09-01-2010, 12:30 PM
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The springs also have 3 levels of adjustment on each side by slots in the brackets where they attach.
Old 09-01-2010, 12:36 PM
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Originally Posted by johnand
The springs also have 3 levels of adjustment on each side by slots in the brackets where they attach.
+1 - pull up the springs.
Old 09-01-2010, 12:56 PM
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pcy
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John and Glyn, I didn't know that those springs can be adjusted. Thanks to you guys, I now know. I will try to adjust the springs on my car's trunk lid this weekend :-)

sirei808, I suggest you also adjust the spring (lubing the spring won't bring back sagging spring).
Old 09-01-2010, 03:55 PM
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thanks for letting me know that there is adjustment to the spring, ever since I installed the spoiler the lid does not pop it juts unlocks and stays there..........now i know..........
Old 09-01-2010, 07:59 PM
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I just changed the spring attachment location. I moved the spring to middle position on one side only and the lid deck snaps open nicely. I will move the other side spring later when the lid doesn't open fully.

Excellent. Thanks John and Glyn :-)
Old 09-01-2010, 09:14 PM
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This Forum is GREAT!
I also did as JOHNAND recommended.
I did 1 notch adjustment and the trunk lid opens now.
Very good observation there my friends!
Thanks a lot!

Originally Posted by Javvy
thanks for letting me know that there is adjustment to the spring, ever since I installed the spoiler the lid does not pop it juts unlocks and stays there..........now i know..........
Javvy, if it is that sensitive, now I know why it stopped swinging open on mine.. i added a chrome plate holder.
so much with MODS.

Last edited by sirei808; 09-01-2010 at 09:30 PM.
Old 09-03-2010, 01:42 AM
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I checked last night and noted that the left spring has been moved to the 3rd position, but the right spring is only on the 2nd. Moved the right to the 3rd slot and now rear trunk cover is swinging full open from release.
Many thanks guys.
Old 07-26-2013, 10:51 PM
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Hi guys. Sorry to bump an old thread, but where is the adjustment? I can't find it!
Old 07-27-2013, 05:16 AM
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@Pointman- its on either side of the trunk(on the inside obviously ) its under the carpet lining. Its on the hinges of the trunk lid
Old 07-27-2013, 10:41 AM
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Originally Posted by selwyng
@Pointman- its on either side of the trunk(on the inside obviously ) its under the carpet lining. Its on the hinges of the trunk lid
Thank you!

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