The glorious Mercedes-Benz 540 K (Type W24), made from 1935 to 1940. Designer: Friedrich Geiger. A total of 419 cars were made at the Mercedes Untertürkheim plant in Sindelfingen (near Stuttgart), which was destroyed during WW-II bombing raids. Shown below are the Autobahn Courier of 1938 (top) and the Cabriolet model. (Click to enlarge.)