The Mercedes-Benz 170S Cabriolet B was introduced in 1949 and was offered in two body styles. The Cabriolet B was a four seat open top car. The 170S Cabriolet B was fitted with Mercedes' M136 1.8L inline 4 engine that produced 52hp. Power was sent to the rear wheels trough a four speed synchromesh manual transmission. The 170 S Cabriolet B short lived in production years due to the introduction of the Mercedes-Benz 220.