Mercedes-Benz M156 engine
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The M156 is the first automobile V8 engine designed autonomously by Mercedes-Benz subsidiary Mercedes-AMG, as previous AMG engines have always been based on original Mercedes engines. Wikipedia
Compression ratio: 11.3:1
Configuration: Naturally aspirated 90° V8
Cooling system: Water-cooled
Cylinder bore: 102.2 mm (4.02 in)
Displacement: 6.2 L (6,208 cc)
Fuel system: Fuel injection
Max. engine speed: 7,250-8,000