The GT S Edition 1 (2016 launch spec, red calipers/accents, said to be about 375 worldwide with roughly 30 to Canada and 75 to the US) and the GT C Edition 50 (50th-anniversary matte-paint cars) are the recognized special editions. Owners note the Edition 1 carried essentially no options beyond the package itself and cars are not individually numbered.
Edition 1 and Edition 50 special editions
Mercedes-Benz AMG GT (C190) · history