Mercedes AMG has cranked out a gem of an engine. The hand built M139 is a 2.0L turbocharged inline four-cylinder that makes 416 horsepower! That makes it the most powerful turbo four-cylinder engine c ...
Mercedes-AMG is no stranger to high-performance I4 powertrains. Remember the 176-series A-Class with its AMG-specific M133 inline-four turbo monster of an engine? Also used by the CLA 45 and GLA 45, ...
We still remember the uproar and outrage when Mercedes-Benz ditched V8 and six-cylinder engines for its compact range a few ...