One new old stock original Mahle brand 80.25mm engine piston (made in Germany), part number 147.00 code # 094/IV.  This fits:

Mercedes Benz 219, 220, and 220S 2195cc M180 engine 1951 - 1959

These are new old stock and have been on the shelf for almost 50 years.  Some of the rings have developed oxidation/rust, so they will likely need new rings.