Parts for the W189 300d Mercedes-Benz, Manufactured from 1957-1962. These vehicles are the flagship ultra-luxury Mercedes that succeeded the W186 300. It was released in 1957 and offered in both sedan and coupe models. It's fuel-injected 3.0L straight-six M189 engine was highly technologically advanced for it's time. Parts for the W189 300d are very difficult to find, but due to interchange and reproduction we are able to acquire a small collection.