Mercedes-Benz AMG GT Transmission by year

YearTransmission
20279-speed automatic
20269-speed automatic
20259-speed automatic
20249-speed automatic
20239-speed automatic
20229-speed automatic
20219-speed automatic or 7-speed automated manual (dual-clutch)
20209-speed automatic or 7-speed automated manual (dual-clutch)
20199-speed automatic or 7-speed automated manual (dual-clutch)
20187-speed automated manual (dual-clutch)
20177-speed automated manual (dual-clutch)
20167-speed automated manual (dual-clutch)

Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).