Mercedes-Benz Museum: The Road Cars Published on November 27, 2017 in Galleries by Michel Deslauriers Photo: Michel Deslauriers 1937 Mercedes-Benz 770 Grand Mercedes Open TourerEngine: eight cylinder supercharged Displacement: 7655 cc Output: 150 hp (110 kW) Output (with supercharger): 200 hp (147 kW) Top speed: 160 km/h