Mercedes-Benz GT63 AMG for GTA 5. The Mercedes-Benz GT63 AMG is a luxurious and sporty four-door coupe with an elegant and dynamic design. It has an aerodynamic shape with graceful lines and angles, creating an impressive appearance. The car is equipped with large wheels, a massive front bumper with bright LED headlights and a stylish radiator grille. Smooth body contours with expressive details give the Mercedes-Benz GT63 AMG the appearance of a high-end sports car.