Thursday, July 21, 2011

Mercedes SLK 55 AMG: Official new 5.5 naturally aspirated V8 engine M152

Mercedes officially confirmed that the engine in the SLK 55 AMG is a naturally aspirated V8 with direct injection of fuel to 5,461 cc. The power of this unit, code-named M152, is 422 hp at 6800 rpm while peak torque of 540 Nm affects the value at 4500 rpm. Thanks to the aluminum base, weighs only 187 kg and is equipped with piezoelectric injector capable of ensuring a fuel injection pressure of

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