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  #1  
Old 09-18-2014, 09:12 PM
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Location: Phoenix, AZ.
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Smile Pewl Newdles

So, after having my ass go numb for the last time on my 38 y/o flattened driver's seat, I finally broke down and did the pool noodle "fix". I wish I had taken a picture because it actually turned out pretty well and now the difference is amazing. No more feeling like I am sitting on the floor, and I actually have full butt and thigh support too.
I have the old W115 setup which has all coiled springs in the seat box. I cut 4 4.5" cylinders from a softer/smaller diameter noodle and put them upright between each of the front springs and held them in place with twine. The next row of springs back, I used the same smaller/softer diameter noodle, but cut length-wise to the width of the seat and stacked two on top of each other for lower thigh support. Next row back from that, I used one larger diameter, thicker/firmer noodle cut to the width of the seat and stuffed it between those rows of springs. Finally, for the last row, I had wished to use that same bigger, thicker/firmer type of noodle, but that row is much tighter/narrower than the rest, so I used the small diameter noodle again, cut to the width of the seat and stacked 1 and 1/2 of them (sliced the top one length-wise in half), which is all that would possibly fit in the space. After all was done, I put everything back together, strapped the sheep skin in place, and now I can drive more than ~90 minutes without wanting to jump out of the moving car. Eventually when I get some more money I will buy an original spring box from the dealership, but for now, this is heaven.
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  #2  
Old 09-18-2014, 10:38 PM
vstech's Avatar
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it should last at least 4 months... get you through the winter kind of thing.

try finding the closed cell foam, it'll last forever...
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  #3  
Old 09-19-2014, 10:49 AM
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The other trick is to swap the seat bases between driver and passenger side. I think that will work on the 115, I know it works on the 123. That will help with the longevity of the noodles since it will not be sat on all the time.
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  #4  
Old 09-19-2014, 11:05 AM
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Join Date: Sep 2001
Location: central Texas
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Go to an upholstery supply shop to find the good foam.
they have different densities...and different quality.... measured in length of time it will last... and they know which is which...

for instance...here in Austin..
We've got you covered... for less. Capitol City Upholstery Supply
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  #5  
Old 09-19-2014, 11:42 AM
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Join Date: Aug 2011
Location: Carolina
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I am currently feeling exactly like you felt with the old bummy seat and I'm exploring my options to increase comfort. To further complicate matters on mine, I have the w123 coupe with its specific seat bottoms.

Something is got to give and SOON!! My back is killing me today and I'm sure it's from the seat.
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  #6  
Old 09-19-2014, 12:00 PM
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Join Date: Jan 2012
Posts: 450
Guys, I looked at many different fixes, but the Mercedes Source Solution is definitely the way to go. Kent has done a great job with the kit and I have already fixed two seats (one from a 79 that was broken in 3 places) as well as my 83's driver's seat. The kit actually repairs the cause of the sagging, and gives you enough spring material to fix tired springs. It takes a little more time, but it is a permanent OEM-style fix.

I believe it to be a far far superior solution to "Newdles"

Packman
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  #7  
Old 09-19-2014, 12:12 PM
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Join Date: Sep 2001
Location: central Texas
Posts: 17,023
At one point years ago in a thread...
people talked about Mercedes offering a ' heavy duty ' seat spring ..... just like they do on the suspension springs...
Yes, for fat..... I mean big .....people....
is that still available ?

edit... I think they called it ' orthopedic ' perhaps....

Last edited by leathermang; 09-19-2014 at 02:03 PM.
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  #8  
Old 09-19-2014, 01:17 PM
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Join Date: Jul 2014
Location: Olathe, CO
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I used Mercedes Source kit, and while it helped, I also bruised my ass...

I installed the kit before I had a chance to really tweak it and make it right. I am new to Mercedes, and wasn't sure what a 'good' seat feels like. I installed it, and two days later moved from OKC, OK to CO, 750 miles, 13 hours. My butt is still sore, and that was a week and a half ago.

I need to do a proper repair, but I don't have a garage, or the time. Gotta get a job.
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  #9  
Old 09-19-2014, 05:41 PM
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Location: Phoenix, AZ.
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Springz

Mercedes source is the way to go, IF you have a w123 or similar where the springs are the newer-style arched wavy type. Kent's kit will NOT work on w115/14.
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  #10  
Old 09-19-2014, 05:56 PM
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Location: Philadelphia, PA
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I hated this. When I bought one of my W124s the previous owner was very fat and wore out the springs in the driver seat. Hit the floor every time I got in.

Heavy duty springs are still available last time I checked for those with larger waist circumferences.
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  #11  
Old 09-19-2014, 06:28 PM
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Location: Middle TN
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I used compression fittings and jbweld to repair springs. That took care of the sideways tilt. Closed cell foam from the upholstery shop helped the sag. I'm not thrilled with the shop's panel repair. They could have had something outstanding with just a little more work. Instead, I'll have Togo back in.
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