Mercedes-AMG ≫ GTMercedes-AMG GT63 S First Edition 4-door (2018, first generation) photosby Joshua ThompsonThe 2018 Mercedes-AMG GT63 S First Edition 4-door will be available for 12 months only, and has a larger front splitter, fixed rear spoiler, and is available only with the 63 S model. It is powered by a 4-liter twin-turbo V8 with 470kW (639hp). ◄ PrevNext ►Credit: Daimler AG 2018 Mercedes-AMG GT63 S 4Matic+ First Edition 4-door - front, gray Tags:4-doorfirst editionfirst generationgtgt63gt63 smercedes-amgs