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Discussion Starter #1
My left rear SLS shock is leaking I would like to replace it, after calling the MB dealer I’ve found the rear shock p/n 116-320-45-13 is NLA. I called around and could not find any company to refurbish the shock either.
Would any member know of one available, new or used ? TIA for any information.

T
 

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online here is showing in stock. Worth at least a call


https://www.pelicanparts.com/More_Info/1163204513.htm?pn=116-320-45-13-MBZ


And although the boots are shot (common), easy to fix with RTV to seal the splits, followed by Rancho brand bellows to then go over top of the repaired boots.

https://www.ebay.com/itm/126-560SEL-500SEL-560SEC-420SEL-REAR-HYDRAULIC-SHOCKS-Pair/303170372770?hash=item46965cc4a2:g:DDUAAOSwPNpc5IlW


The boots:

https://www.jegs.com/i/Rancho/801/RS1952/10002/-1?parentProductId=745949


I believe it was KVH who mentioned slicing the new boot longways, wrapping around the old bellows, then resealing the split with either RTV type adhesive or zipties..or both.
 

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There are some available on Ebay, but prices are going up fast on those since people figured out they are NLA. The JYs are another option for you. I heard they can also be repaired, but I remember reading somewhere that some specialised tools are needed.
 

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Discussion Starter #4
online here is showing in stock. Worth at least a call


https://www.pelicanparts.com/More_Info/1163204513.htm?pn=116-320-45-13-MBZ


And although the boots are shot (common), easy to fix with RTV to seal the splits, followed by Rancho brand bellows to then go over top of the repaired boots.

https://www.ebay.com/itm/126-560SEL-500SEL-560SEC-420SEL-REAR-HYDRAULIC-SHOCKS-Pair/303170372770?hash=item46965cc4a2:g:DDUAAOSwPNpc5IlW


The boots:

https://www.jegs.com/i/Rancho/801/RS1952/10002/-1?parentProductId=745949


I believe it was KVH who mentioned slicing the new boot longways, wrapping around the old bellows, then resealing the split with either RTV type adhesive or zipties..or both.
Yeah I called Pelican NLA. Found a 560sel parts car that I’m wanting to remove these shocks from, providing they’re not leaking.
Hey Lesguy did you cut or replace your rear springs, if so did you remove the shock then use the spring compressor from inside the car or from under.
 

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I replaced my rear springs with the H&R's. Once I removed the shock, inserted the tool from under the car. Rear springs were easy to remove: more room to work with vs drivers side front, and the rears were under much less tension than the fronts.
 

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Discussion Starter #8
Rumb, I contacted that company and they do not do the w126. Thanks for the information though.
 

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Discussion Starter #10

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That price is for one only and I’m not prepared to pay that much just for the one.
Many more 560SEL/SEC owners will be in your situation. What alternatives do you see (I am not implying you should pay, I am just wondering what the future holds for us)? It's obvious the prices are going up as existing NOS gets depleted, not sure if new ones will be made again. So, what will our choices be?

Is anybody aware if the subframe and rear LCAs from the 420SEL can fit the 560SEL and/or SEC? I am getting ready to throw my 420SEL away and wondering about keeping the rear suspension for a potential suspension swap on the SEC or my future SEL if it happens to be a 560SEL (the 420SEL doesn't have SLS, which lately proves to be a paint in the neck).
 

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Discussion Starter #13
Many more 560SEL/SEC owners will be in your situation. What alternatives do you see (I am not implying you should pay, I am just wondering what the future holds for us)? It's obvious the prices are going up as existing NOS gets depleted, not sure if new ones will be made again. So, what will our choices be?
Well I may have the opportunity to buy new. My mailbox was full so I’m waiting for pm. Of course you’re right in your implied conclusion above.
 

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The W126 struts are pretty much the same as W116 - 450/SEL 6.9. looks like only the hose fitting is a bit different. In the W116 world a few people have learned how to rebuild them. MB makes new front struts that are about $1600 each, but not the rear ones. I have not yet, but have 4 rears and 6 fronts that I plan on replacing the internal o rings and maybe the nylon ring. I would like to find a hydraulic ram engineer to find out what the nylon ring does and what tolerances are needed on it. Search the M-100 forum and you can learn how to take them apart. I think if you replaced the o rings and re used the nylon ring they would probably be fine and not leak at all.

here is some guy asking $1600 each for w116 rears:
https://www.ebay.com/itm/Mercedes-rear-hydropneumatic-strut-W116-450-SEL-6-9-1163203613/123730969682?epid=17027898780&hash=item1ccef0c452:g:cRsAAOSwaSVcN5zz
 

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I searched the EDC and found the Hydraulic Ram numbers below.

These numbers are for 560SEL and 560SEC.
A1163204513 Up to end of model year 1987
A1263204613 From model year 1988

450SEL 6.9
A1143201413
A1233200513 replaces above
 

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That price is for one only and I’m not prepared to pay that much just for the one.
When I look at that eBay listing I see two references to them in the plural.

I take that to mean a pair. If need be, one can ask the seller as well.

I tend to agree with lesguy's initial response, especially as they seem to be about the only current listing Google knows about.

Don't envy your situation, needing to replace one of those..

Good luck man,

MBL
 

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That price is for one only and I’m not prepared to pay that much just for the one.
Even though the photo is supposed to be NOS, I thought the thin metal rod section was supposed to be chromed to enhance lubricity and prevent wear--it looks like plain steel. Am I mistaken?

In general, I've seen it recommended to replace if the system/struts have been leaking. A few individuals have rebuilt with new o-rings, etc. Is that only possible if the struts themselves never leaked, ie they are damaged beyond repair if they've been dry?
 

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Discussion Starter #20 (Edited)
Considering the rarity of new, the price for the pair as shown here, isnt too terrible. Even if you plan to replace just one, keeping the other as a spare or selling it isnt a bad idea

https://www.ebay.com/itm/163646348702?item=163646348702&action=BESTOFFER&_trksid=p2385738.m4383.l4068.c10&nrd=true&autorefresh=true
I sent a message to the seller. We will see what he comes up with. I’m also still waiting for a member here to get back to me i missed his reply as my inbox was full. Hopefully Tuesday I may find a couple of used one’s from a parts car.
Thanks to the member who came up with the updated parts numbers for us all.

Okay so the seller replied to my inquiry yesterday and indeed that price is for a single shock.
 
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