Officially known as the Mercedes-Benz T80 or Type 80. When the car was first planned in 1937, the speed record was held by Malcolm Campbell in the last of his Blue Bird cars race at 485.174 km/h.
The T80 cost is about $4 million in today’s USD. Aerodynamics specialist Josef Mikcl helped streamline the car’s body, which was built by aircraft manufacturer Heinkel Flugzeugwerke. T80 incorporated a Porsche-designed enclosed cockpit, low sloping hood, and rounded fenders.
It is actually on permanent display at the Mercesdes-Benz in Sttugart.