I could be wrong but I think those seats would technically be considered "Velour", there where some different style of the patterning over the years. What is usually refered to a "cloth" doesn't have the "furry" top side texture that your seats do. I really is amasing how well that material wears though. Germans really make some of the finest petro-chemical products!

There are quite a few types of cloth though, various weaves and multi-colored weaves.

You might be able to take your VIN and do a search for the Data Card which wmight produce the exact code for that seat material designation.