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  #1  
Old 11-18-2013, 07:22 PM
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300TD rear shock mount

I've got all of the external pieces off of the rear subframe to pull it completely out. All that is left is the subframe bolts and the upper mount bolts to the pneumatic shocks and the undo the hydro lines to the shocks.

After opening up that area, the po had stripped the 5mm hex bolt to the top of the right shock. Any ideas about how to get this out AND where to get another bolt? Is this a MB part only?



1984 300TD

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1980 300TD, SOLD
1984 300TD, 275K
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Last edited by vstech; 11-18-2013 at 07:35 PM.
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  #2  
Old 11-18-2013, 08:54 PM
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What are you planning to do to the car?
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #3  
Old 11-18-2013, 09:00 PM
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Thanks for responding John.

I am rebuilding the rubber on the subframe, new hydro shocks and springs. Its going back in, so since I have a new shock, should I just drill it out?

I guess I'm not "rebuilding" I'm replacing the subframe mounts, springs and shocks. The right shock is leaking, so I am replacing both.

I've read up on the removal process and its coming along nicely, until this point. The 5mm hex is just round, almost like someone tried to over tighten or failed at one point to extract it with the wrong size. Do you think and easy out would work?
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1980 300TD, SOLD
1984 300TD, 275K
1999 C230 K Black & Tan
2013 C250 Black
You might faint from the fight, but you're gonna find it. Every challenge could have paradise behind it. -John Popper-
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  #4  
Old 11-18-2013, 09:46 PM
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take a picture of the bolt, external easy out may work... I don't remember what the top shock mount looks like
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #5  
Old 11-18-2013, 09:53 PM
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Okay, give me a minute or 2
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1980 300TD, SOLD
1984 300TD, 275K
1999 C230 K Black & Tan
2013 C250 Black
You might faint from the fight, but you're gonna find it. Every challenge could have paradise behind it. -John Popper-
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  #6  
Old 11-18-2013, 10:07 PM
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Sorry about the dog hair. My black lab likes to ride in the back!
Attached Thumbnails
300TD rear shock mount-rear-shock-bolt-1.jpg   300TD rear shock mount-rear-shock-bolt-2.jpg  
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1980 300TD, SOLD
1984 300TD, 275K
1999 C230 K Black & Tan
2013 C250 Black
You might faint from the fight, but you're gonna find it. Every challenge could have paradise behind it. -John Popper-
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  #7  
Old 11-18-2013, 11:30 PM
JB3 JB3 is offline
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dremel a long notch across the top of the bolt, make it deep enough to use a large flat head screw driver on it.
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  #8  
Old 11-18-2013, 11:40 PM
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Thanks JB3, good idea.
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1980 300TD, SOLD
1984 300TD, 275K
1999 C230 K Black & Tan
2013 C250 Black
You might faint from the fight, but you're gonna find it. Every challenge could have paradise behind it. -John Popper-
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  #9  
Old 11-19-2013, 07:25 PM
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JB3, worked like a charm, thanks.
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1980 300TD, SOLD
1984 300TD, 275K
1999 C230 K Black & Tan
2013 C250 Black
You might faint from the fight, but you're gonna find it. Every challenge could have paradise behind it. -John Popper-
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  #10  
Old 11-19-2013, 08:21 PM
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There is a kit available from Mercedes dealers which includes the bushings, lower and upper mounting bolts.

Part number for the kit is 123 320 0344.

Think they are around $20 each.

The upper mounting bolt itself, as far as I can tell from the diagram, is part number 914125008703
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  #11  
Old 11-19-2013, 09:27 PM
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Mercedes made a change in the upper strut mount.

1st version up to Aug 82. the picture in my FSM shows it with a regular bolt head.

2nd version starting Sept 82. then the bolt head had the stupid 5mm hole.

MB changed the upper rubber mounts and looks like they changed the sheet metal design by the drawing.


I tried to pull a good set of Struts off a 85 300TD in PNP, and both sides rounded out.

I think if I had one of these 2nd version cars, I would weld a nut on the head of the hex head bolt.
You would have thought MB would have made it a 8 or 10mm bolt.


Charlie

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