The Mercedes 550 was a activities car developed by Mercedes from 1953-1956. Motivated by the Mercedes 356 which was developed by Boat Mercedes, and some spyder prototypes developed and ran by Wally Glöckler beginning in 1951, the manufacturer determined to develop a car developed for use in automatic rushing. The style Mercedes 550 Spyder was presented at the 1953 London Auto Display. The Mercedes 550 was very low to the earth, in order to be effective for rushing. Actually, former In in german System One speed Hendes Herrmann owned it under shut railway traversing entrance during the 1954 Mille Miglia.

The Mercedes 550 / 1500RS or Spyder became known as the "Giant Killer". The later 1956 progress edition of the style, the 550A, which had a brighter and more firm spaceframe case, offered Mercedes its first overall win in a significant activities car rushing occurrence, the 1956 Targa Florio.

Its heir from 1957 forward, the Mercedes 718, was even more effective, credit reviewing factors in System One as overdue as 1963. A enfant of the Mercedes 550 is usually regarded to be the Mercedes Boxster S 550 Spyder; the Spyder name was successfully raised from the dead with the RS Spyder Le Guys Magic size.

The Mercedes 550 "Little Bastard", sequential number 550-0055 is best known for being the car in which Wayne Dean was murdered on Sept 30, 1955.