Agreed. They were not that great when new, and just get worse from there. Most comfortable seats ever were in an '84 Audi 5000 I had. Awful mechanicals, but great seats! I had an '83 Mazda 626, which also had wonderful seats.

Funny how everyone tends to agree when seats are comfortable, regardless of height/weight/etc., but manufacturers are somehow unable to figure out the science behind consistently building a comfortable seat. This does not map to price, either. Cheap cars can have simple comfortable seats, and expensive cars can have seats that adjust in 80 uncomfortable ways. Should be easy to standardize on a successful design. It's not like humans are evolving too fast to keep up!

Has anyone tried bolstering the seats bottoms by adding additional padding?

I was thinking about adding a layer of closed-cell foam.

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1986 300E 5-Speed 240k mi.