Mercedes-AMG launches 416-horsepower 4-cylinder engine

Mercedes-AMG launches 416-horsepower 4-cylinder engine

Advanced turbocharger makes 2.0-liter the most-powerful 4-banger yet

Mercedes-AMG has announced an all-new turbocharged 2.0-liter 4-cylinder engine that pumps out an astounding 416 horsepower and 369 pound-feet of torque for use in the most compact of the AMG vehicles. The makers tout the new engine as the world’s most-powerful turbocharged 4-banger.

The engine, designated M 139, actually will be produced in two versions, the 416 horsepower S version and a 382 standard version. 

Rather than transverse mounting, the engine has been rotated with the turbocharger and exhaust manifold at the rear. This moves the intake to the front and allows for a lower hood height and improved air ducting, Mercedes-AMG said.

New features include the twin-scroll turbocharger, roller bearings for the compressor and turbine, electronic-charge pressure control, an aluminum crankcase, larger exhaust valves and cylinders lined with Nanoslide technology developed for use in Formula One racing engines and protected by 40 patents.

The new engine weighs 353.8 pounds, Mercedes-AMG said.

One person is responsible for the complete build of each AMG engine

Tools help assure proper instalation

Pistons ready for insertion

Tools draw power from renewable electrical sources

Just about finished

While still produced on AMG’s “One Man, One Engine” process, engine builders have a new assembly line setup that replaces overhead power cables and such with automated carts that deliver their cordless tools and various components to them as they work. The assembly process also is aided by table computers that record tasks as completed to assure quality assurance.

Engine builder adds his name to completed power plant

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