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Discussion Starter #1
Hey guys, i hope you're all well.

I am nearing the end of restoring my 420SL and im removing the seats and carpet to clean the floor up. The carpets aren't in great condition so ill be looking to replace them, i have found some full sets on ebay, are these are good? Another big problem i have come across is the foam.. mine has crumbled and is in need of replacing but i have only found it in one place and its £350 for a set! are there any alternatives to this? Any advice appreciated.

Cheers guys!
 

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1973 450 SL
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I bought a carpet kit from Topsonline.com; very pleased with the products there, fit was top notch. My black vinyl under carpet padding was also cracked but still pliable so I did not bother with replacing it. The carpet kit came with a foam padding in no way similar to the OE padding. I used it to supplement the aged OE padding with good result. Spray adhesive works well to apply the foam padding to the underside of the carpet kit.
 

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imo the best thing to do it rip out the old, wire wheel everything down and rust proof it....then get some "knock off" dynamat to lay down and then use some spray adhesive to put down a foil backed jute padding layer, it will be WAY better than anything MB put down, this is my typical goto for ALL builds
 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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The rubberized foam was also crap in my yoke, so I cleaned it up and applied sound / heat deadening materials to both sides - worked well! I didn't and not going to glue it back onto the floors as I want to keep an eye on this, the old lady hasn't seen rain in years but this is just a safety net if I ever get caught in a shower (which is very likely given the west of Ireland climate :)) Some pics here https://myalbum.com/album/Ie85Uz0IHeRe
 

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1983 380SL, 2000 S430, 1991 420SEL (retired) - RHD
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The rubberized foam was also crap in my yoke, so I cleaned it up and applied sound / heat deadening materials to both sides - worked well! I didn't and not going to glue it back onto the floors as I want to keep an eye on this, the old lady hasn't seen rain in years but this is just a safety net if I ever get caught in a shower (which is very likely given the west of Ireland climate :)) Some pics here https://myalbum.com/album/Ie85Uz0IHeRe
Mine looked identical. Your floors are rust free so no problems there. The new material will help sound reduction too.(y)
 

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Discussion Starter #7
Hey guys, really appreciate all of the replies! Finally got around to getting new carpets and not to decide what to put underneath.. Has anyone got a UK product that they used with good success?
 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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I went with this one Stan but looks like it's not available - https://www.amazon.co.uk/Noico-Self-adhesive-Dampening-Automotive-Insulation/dp/B00VHW1EHI

That said butyl-based deadening mats work of the same principle so just get one that works well size-wise and doesn't cost an arm and a leg :D https://www.amazon.co.uk/s?k=butyl+sound+deadening&i=automotive&crid=7BBWJRWDX8JZ&sprefix=butyl+soun,automotive,144&ref=nb_sb_ss_fb_1_10
I thought most of the stuff i was looking at was ridiculous prices! Thanks for the response mate, looks good! Did you put any underlay/foam between this and the carpets?
 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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Stan, help me better understand what you're looking for - is it the foam backing underneath the carpets or what? The butyl rubber I advertised in my previous link is what I used to wrap around the heavy rubber/foam black mats, as shown here https://myalbum.com/album/Ie85Uz0IHeRe
 

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Discussion Starter #11
Stan, help me better understand what you're looking for - is it the foam backing underneath the carpets or what? The butyl rubber I advertised in my previous link is what I used to wrap around the heavy rubber/foam black mats, as shown here https://myalbum.com/album/Ie85Uz0IHeRe
Ahh i get you! Anything to go under the carpet basically as my foam pads are in a few pieces, although seeing what you have done i could potentially glue them together then wrap them like you. Ill be at my workshop later today so ill have another look to see if thats an option.
 

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Yes Stan, I'd recommend fixing the original mats as they have peaks and valleys to match the profile of the floor pans. I used 2mm butyl rubber so the thickness hasn't increased drastically, they fit perfectly on the floor, fast forward 4 years & all is good with them.
 

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Yes Stan, I'd recommend fixing the original mats as they have peaks and valleys to match the profile of the floor pans. I used 2mm butyl rubber so the thickness hasn't increased drastically, they fit perfectly on the floor, fast forward 4 years & all is good with them.
Hey mate, it appears im missing a large chunk of the foam on one of the pads, did you have any missing foam and if so how did you combat it? A lot of the other foam is also broken in pieces but im sure i can fabric glue it before using the butyl rubber.
 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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Hey, so I wasn't missing any foam, it just reminded Lego and needed putting together. You could use some other foam to fill the hole to a level, and then wrap it in the butyl rubber? That stuff is waterproof so anything will do.
 

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'72 350SL, '85 300D, '98 E320, '19 Subaru Outback (sold '14 GLK250)
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On my 72 350SL, the original underpad on the passenger side was still in one piece . Just a few cracks in outer skin that I repaired with Gorilla tape. However, the driver side was falling apart. I made a new one! I used heavy duty carpet underlay that I found at Home Depot. It is about 5/16" thick and quite dense. I used two layers and this allowed my to build in the "trenches" for the wiring. I painted the floor pans with POR15 before re-installing the pads. Don't think I glued them down.

The carpets I bought off eBay were a very poor fit and not well made. I had to recut them myself. Might as well have just bought the bare carpet. I posted pictures back them but looks like those are some of the links that now don't work :( Hopefully eBay in UK has better ones!
PS: my vendor was John - QualityTops&interiors and GermanAutoTops.

One other think. The cars had carpet covering those underpads. Then on top of that, floor mats. I replaced the mats with Sisal mats from https://www.cocomats.com/ They finish the car off nicely. Not mine - just pic off their website:

 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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Spot on Graham, and Cocomats are indeed spectacular... I still see genuine mats on ebay every now and then but usually only LHD.
 

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1983 380SL, 2000 S430, 1991 420SEL (retired) - RHD
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Spot on Graham, and Cocomats are indeed spectacular... I still see genuine mats on ebay every now and then but usually only LHD.
German Auto Tops will do RHD. I got a full set including the trunk. The cabin fit was good but the trunk was tricky because the originals are molded in several places. Rather than glue all the carpet in the trunk I used velcro in some places so they could be removed unlike the originals. You have to glue some of the interior but not the mats.:)
 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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German Auto Tops will do RHD. I got a full set including the trunk. The cabin fit was good but the trunk was tricky because the originals are molded in several places. Rather than glue all the carpet in the trunk I used velcro in some places so they could be removed unlike the originals. You have to glue some of the interior but not the mats.:)
That's a good trick with velcro Aussiemerc :) I'm happy with my carpets (trunk and interior are original) - I ripped them all out 2 years ago, put them through a couple of cycles in the washing machine and they came out perfect, for a 40 year old carpet. What I meant about the RHD is just the top mats for the interior, that sit on top of the carpet.
 

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1983 380SL, 2000 S430, 1991 420SEL (retired) - RHD
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That's a good trick with velcro Aussiemerc :) I'm happy with my carpets (trunk and interior are original) - I ripped them all out 2 years ago, put them through a couple of cycles in the washing machine and they came out perfect, for a 40 year old carpet. What I meant about the RHD is just the top mats for the interior, that sit on top of the carpet.
Funnily enough, I scrubbed the original front velour loose mats and they came up so well I've still got them in the car so I have a spare set if needed. It was all the rest and the trunk that were buggered. The driver side was really good because of the substantial sheepskin mat on top.I bought matching vinyl and replaced the vertical carpet behind the luggage shelf (no rear seat in mine)
If your hump housing the handbrake is Trashed and scratched like mine was, it can be re covered in vinyl although the original is funny plastic.See the pic below. Looks sort of pornographic but good when its in place.
 

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Lol Aussie, that does look pornographic alright :D My cover isn't too bad, it was just cracked / torn around the entry point which I fixed with leather liquid and aluminum tape. Just bought the paint from velico.de to redye it, will spin up a new thread with some pics soon.
 
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