Mercedes-Benz Museum: The Road Cars Published on November 27, 2017 in Galleries by Michel Deslauriers Photo: Michel Deslauriers 1937 Mercedes-Benz 540 K Cabriolet BEngine: eight cylinder supercharged Displacement: 5401 cc Output: 115 hp (85 kW) Output (with supercharger): 180 hp (132 kW) Top speed: 170 km/h