Welcome!
Do a search on the forum for "Pool Noodles" - or you can just click on the link below.
http://www.peachparts.com/Wikka/W123SeatRepair

There is quite a bit of information on the DIY tab and DIY links on the top of the scree,

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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif
15 VW Passat TDI
00 E420
98 E300 DT
97 E420 Donor Car - NEED PARTS? PM ME!
97 S500
97 E300D
86 Holden Jackaroo Turbo D
86 300SDL
(o\|/o)