For Mercedes-Benz S-Class W221 S500 S550 4.7T M278 Engine (M278.932)

The Mercedes-Benz M278.932 is a 4.7-liter (4,663 cc) twin-turbocharged V8 engine with a 90-degree bank angle, primarily featured in the 2011 through 2017 S500/S550 (W221/W222) models. This engine utilizes gasoline direct injection (DI), features an aluminum alloy block and cylinder heads, and is equipped with variable valve timing technology; it produces an output of approximately 402 to 449 horsepower, with a peak torque ranging from 443 to 516 lb-ft.