For Mercedes-Benz M278.932 GL450, CLS500, and E500 4.7L V8 Engines

The Mercedes-Benz M278.932 is a 4.7-liter twin-turbocharged V8 engine featuring a 90-degree cylinder angle, an aluminum block and cylinder heads, and direct fuel injection technology. Primarily found in models such as the ML550, this engine produces a maximum output of 402 horsepower and a peak torque of 443 pound-feet.

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Description

Core Specifications
Engine Type: 90° V8, Gasoline
Displacement: 4,663 cc (4.7 L)
Bore × Stroke: 92.9 mm × 86 mm (3.66 in × 3.39 in)
Valve Train: DOHC (Dual Overhead Camshafts), 4 valves per cylinder
Induction: Twin-Turbo (Bi-Turbo)
Compression Ratio: 10.5:1

Common Applications
The M278.932 and its variants are installed in the following Mercedes-Benz “550” series models produced in 2011 and later:
ML550/GLE550
S550
SL550
CLS550
E550