Quote:
Originally Posted by Maki
I've got an MB cushion pad for a W123 coupe in my stash of spares that consists of foam bonded to a sheet of what looks like Masonite. So for those considering the foam route, I'd suggest starting out with a composite sheet maybe 1/4 inch thick and then gluing the foam to that. You'd want to zip tie the board around the perimeter of the box spring to keep it from shifting about .
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In the past, I've used the felt-like indoor-outdoor carpet found at Home-Depot or Lowes to line the seat-springs and keep them from wearing through the seat-padding.
An alternative to pool-noodles is the poly-foam (not rubber-foam) pipe insulation. You can put different diameters inside each other as needed, to adjust for thickness and firmness.
I recently did this on a 240D drivers seat where one of the outboard torsion-springs had snapped. The seat now feels balanced, instead of trying to dump me out of the car when I open the door!
I also used some steel brake tubing to secure the ends of that broken spring. It didn't restore the spring function, but it does keep the jagged ends from clicking, scraping and screeching against the seat-pan while I'm sitting there.
Happy Motoring, Mark