Mercedes-Benz Museum: The Road Cars Published on November 27, 2017 in Galleries by Michel Deslauriers Photo: Michel Deslauriers 1962 Mercedes-Benz 300 SL Roadster. Succeeded the Gullwing 300 SL. Only 1858 units were produced. Engine: six cylinder Displacement: 2996 cc Output: 215 hp (158 kW) Top speed: 250 km/h