Transmission Type by Car: CVT, Automatic or Manual / Mercedes-Benz / SLS AMGMercedes-Benz SLS AMG Transmission by year YearTransmission20157-speed automated manual (dual-clutch)20147-speed automated manual (dual-clutch)20137-speed automated manual (dual-clutch)20127-speed automated manual (dual-clutch)20117-speed automated manual (dual-clutch) Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).