Replacing trunk lid struts - Mercedes-Benz Forum
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#1 (permalink) Old 09-14-2008, 04:41 PM
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Replacing trunk lid struts

Hello everyone,

I am in the process of replacing my trunk lid shocks. I cannot figure out how to release the upper end of the shocks to remove them. Has anyone done this? I have searched the forum and haven't found anything. The car is a 1993 500SL. Thanks!
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#2 (permalink) Old 08-17-2009, 06:09 PM
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Replacing trunk lid struts

I couldn't find this in the archives. One of the very few things about my '96 SL320 that doesn't work like new and has bugged me since I got it was the hydraulic trunk lid struts are toast. I just ordered two of them and will be replacing them probably next week. Has anyone done this and is there anything I should know? Is there a trick to getting the old ones off (and the new ones on) regarding the hydraulic pressure? If it's like any other project that requires panel removal, that will probably be the worst part...trying to get them off without breaking half of the retainers!

1986 300E <---- sold w/216k miles
1992 500SEL <----sold w/180k miles
1996 C220 152k miles
1996 SL320 102k miles
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#3 (permalink) Old 08-17-2009, 06:39 PM
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Greetings plink49.

Apparently not much has been previously discussed here on the R129 forum with regards to this topic.
For what its worth, here is a diagram/illustration of the rear trunk lid assembly parts.

TRUNK LID 1994-97 SL320 129.063
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#4 (permalink) Old 08-17-2009, 10:20 PM
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Quote:
Originally Posted by plink49 View Post
I couldn't find this in the archives. One of the very few things about my '96 SL320 that doesn't work like new and has bugged me since I got it was the hydraulic trunk lid struts are toast. I just ordered two of them and will be replacing them probably next week. Has anyone done this and is there anything I should know? Is there a trick to getting the old ones off (and the new ones on) regarding the hydraulic pressure? If it's like any other project that requires panel removal, that will probably be the worst part...trying to get them off without breaking half of the retainers!
Hi plink49,
It is as simple as just swapping the trunk lid and everything should work well like before. I have DIY that lid swap 6 months ago without any trouble.
Good luck,
morris
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#5 (permalink) Old 08-19-2009, 05:29 PM
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it seems pointless to replace them since there is no remote trunk opening capabilities. you will always have to open the lid manually. Why waste money in replacing them?
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#6 (permalink) Old 08-19-2009, 09:33 PM
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... Why waste money in replacing them?
In my case:for the 3rd break light.
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#7 (permalink) Old 08-19-2009, 11:14 PM
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Originally Posted by Stillwatch08 View Post
Hello everyone,

I am in the process of replacing my trunk lid shocks. I cannot figure out how to release the upper end of the shocks to remove them. Has anyone done this? I have searched the forum and haven't found anything. The car is a 1993 500SL. Thanks!
I suggest that you contact 'Stillwatch08' through a PM and see if he can help you.
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#8 (permalink) Old 08-21-2009, 09:12 AM
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You insert a thin bladed screwdriver between the top of the shock and the thin metal clip and just slide the shock off.
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#9 (permalink) Old 08-25-2009, 06:08 PM
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Well, Saturday I learned the hard way that 129s had two different trunk struts. The early ones (up to a specific chassis number which corresponds to I don't know what model or year, but obviously before my '96 320) used ones approximately 1" longer that the later ones. There is no way they can be interchanged. BTW...the actual removal and installation of these is quite simple. It takes longer to remove the trunk lining than to change the struts.

1986 300E <---- sold w/216k miles
1992 500SEL <----sold w/180k miles
1996 C220 152k miles
1996 SL320 102k miles
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#10 (permalink) Old 08-26-2009, 03:02 AM
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Quote:
Originally Posted by plink49 View Post
Well, Saturday I learned the hard way that 129s had two different trunk struts. The early ones (up to a specific chassis number which corresponds to I don't know what model or year, but obviously before my '96 320) used ones approximately 1" longer that the later ones. There is no way they can be interchanged. BTW...the actual removal and installation of these is quite simple. It takes longer to remove the trunk lining than to change the struts.
This is an example of why it is suggested that you include your VIN when ordering ANY part unless you are absolutely sure that the given p/n is correct based upon your chassis number and/or the EPC or Dealer Parts Counter.
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