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, said lump was replaced by the AMG division with the M139.

The 395-hp 2.0-liter 4-cylinder could make as much as 600 hp with a bigger turbo. Toyota showed off the G20E at the ... Mercedes is reportedly killing off its powerful M139 four-cylinder engine, but ...

Mercedes-AMG's heavily boosted 2.0-liter has been pushing the limits ever since its birth. Then, the company hybridized it and blew everything away.

Mercedes-AMG was criticised by many purists for replacing a V8 with a four-cylinder plug-in hybrid. It's now reportedly looking to reverse course.

These small car engines pack a lot of power despite their size, and can be found in everything from sporty hatchbacks to hypercars and Formula 1 racecars.

Mercedes-AMG is now admitting what many of us suspected all along: the four-cylinder, plug-in hybrid C63 hasn’t lived up to expectations.

Global power and technology leader Cummins Inc. (NYSE:CMI), is pleased to announce the launch of its new turbocharger designed specifically for hydrogen internal combustion engines (H2 ICE). This ...

Mercedes-AMG is preparing to phase out the plug-in hybrid powertrain that uses the M139 2.0-liter inline-four engine. Acknowledging that the four-cylinder "failed to resonate" with customers, the ...

Mansory’s latest G-Wagen features an 820 hp twin-turbo V8 and standout art. Alec Monopoly painted the SUV’s exterior and customized its wild interior. The interior is bathed in crazy turquoise ...

Mercedes-AMG has previously acknowledged it has lost customers in the switch from a twin-turbo V8 to a plug-in hybrid turbo four in its BMW M3 -rivalling C63.