Back in time: 1977 Mercedes-Benz C111-III concept

The C111 served as a rolling test-bed for the German automaker during the 1960s and 70s. A diesel engine growled under the silver-painted plastic bodywork. While this engine had been derived from a production unit, it had been tuned to develop 230 hp and gave the streamlined car a top speed well over 300 km/h. With this Silver Arrow, Mercedes-Benz established nine world records in the late 1970s. You can see this vintage concept at a museum in Brooklands, England.