Back Mercedes-Benz M139 enjin Afrikaans Mercedes-Benz M 139 German Mercedes-Benz M139 Italian メルセデス・ベンツ・M139エンジン Japanese Mercedes-Benz M139 Russian
The M139 is a turbocharged inline-four engine produced by Mercedes-Benz. It is the successor of the M133 engine. It is also the first four-cylinder engine by AMG to be specified with two outputs, to be assembled by hand using "one man, one engine" philosophy, and to be equipped with combined port and direct fuel injection system. At 310 kW (416 hp) on its introduction, M139 was the world's most powerful four-cylinder engine in serial production with specific output of 208 hp per litre or 104 hp per cylinder. The current top trim of the M139 produces 350 kW (469 hp), giving it a specific output of 235 hp (175 kW) per litre or 117 hp (87.5 kW) per cylinder, making it the current most powerful four-cylinder engine in serial production.