Mercedes-Benz M139 engine

Common card · No. 273263

The M139 is a turbocharged straight-four engine produced by Mercedes-Benz. It serves as the successor to the M133 engine. It is the first AMG four-cylinder engine to feature two distinct output levels, be assembled by hand under the "one man, one engine" philosophy, and utilize a combined port and direct fuel injection system. At 310 kW (416 hp), upon its introduction, the M139 was the world's most powerful four-cylinder engine in serial production, achieving a specific output of 155 kW (208 hp) per litre or 78 kW (104 hp) per cylinder. The current top version of the M139 produces 350 kW (469 hp), giving it a specific output of 175 kW (235 hp) per litre or 87.5 kW (117 hp) per cylinder, maintaining its status as the most powerful four-cylinder engine in serial production.

Read on Wikipedia · Image Alexander Migl, CC BY-SA 4.0