The Mercedes-AMG One (R50, stylized as ONE) is an upcoming limited-production plug-in hybrid sports car manufactured by Mercedes-AMG, featuring Formula One-derived technology.[4][5] It was unveiled at the 2017 International Motor Show Germany by Formula One driver Sir Lewis Hamilton and Head of Mercedes-Benz Dieter Zetsche.[6][7] The production of the car is planned to be 275 units at a price of US$2.72 million per unit, all of which have been already sold.