Sitting in my garage is a 1978 450SL with new upholstery in Bamboo. It's a perfect match to the Bamboo interior in the car. Sitting in my living room is new upholstery and carpet in Parchment for my 75 450SL.

Lots of places sell upholstery kits, and they're fairly easy to install. Labor intensive, but straight-forward. Or you can pay to have someone install it if you don't want to do it yourself.