turbo-charging, called M276 DE30AL, a new member has been added to the approved M276 V6 gasoline engine series. "43" M256 3.0 L Inline-6 Turbo Mercedes-AMG GT 43 4-Door Coupé "53" M256 3.0 L Inline-6 Turbo Mercedes-AMG E 53 (A238/C238/W213/S213) Mercedes-AMG CLS 53 (C257) Mercedes-AMG GT 53 4-Door Coupé Mercedes-AMG GLE 53 These are powered by the new Mercedes-Benz M 256 inline six cylinder engine. "55" M177 4.0 L V8 Bi-Turbo Mercedes-AMG SL 55 4MATIC+ "63" M177/M178 4.0 L V8 Bi-Turbo Mercedes-AMG C 63 Mercedes-AMG C 63 Coupe Mercedes-AMG E 63 Mercedes-AMG GT Mercedes-AMG SL 63 4MATIC+ Mercedes-AMG GT 63 4-Door Coupé Mercedes-AMG S 63 Mercedes-AMG GLC 63 Mercedes-AMG GLC 63 Coupe Mercedes-AMG G 63 (W463) second generation Launched in the UK market in April 2015, the 4-litre M178 V8 uses an unusual configuration where the position of the intake and exhaust are reversed, to create a more compact engine and hence vehicle design. This "hot inside v" configuration, as AMG calls it, has the exhaust gasses exiting into the central v area of the engine block where the engine's twin turbochargers are also mounted. "63 E-PERFORMANCE" M139 2.0 L Inline-4 Turbo PHEV / M256 3.0 L Inline-6 Turbo PHEV / M177 4.0 L V8 Bi-Turbo PHEV Mercedes-AMG C 63 S E-PERFORMANCE Mercedes-AMG E 63 S E-PERFORMANCE Mercedes-AMG S 63 E-PERFORMANCE Previous AMG models In addition to the models listed above, there were also predecessors to the current AMG models. "65" M275 6.0 L V12 Bi-Turbo The models listed below were powered by a variant of the Mercedes-Benz M275 engine. 2004–2013 S65 AMG 2004–2014 CL65 AMG 2004–2011 SL65 AMG 2012–2018 G65 AMG 2012–2018 Mercedes-AMG SL 65 2014–2019 Mercedes-AMG S 65 The AMG power-plant has an all-new design of the bi-turbo system, which features larger turbochargers and a new, more powerful charge-air cooling system, and the increase in the engine displacement (to 5980 cc) as well as many other engine design measures. This allows it to produce a claimed 621 horsepower and of torque. "65" models used a 5-speed automatic transmission for a long time, as the newer 7G-Tronic wasn't able to handle the torque from the V12 engines. This was changed with the introduction of 2012 SL 65 AMG, which uses the same AMG SpeedShift MCT transmission as the rest of the AMG line-up. Coinciding with the facelift of the CL-Class for the 2011 model year, the 2011 CL 65 AMG