Mercedes-Benz and its performance wing AMG have been experimenting with turbocharged four-cylinder engines in recent years, but it appears the era of the four-banger is coming to an end in ...

After giving us twin-turbo V8s, the AMG division reduced the C 63 and GLC 63 to four cylinders and plug-in hybrid assistance. That downgrade never took off in terms of customer demand, which is why ...

But ultimately, we reckon, it will (and should) only serve as the supporting trick for the headline act, the full-fat C63, powered by the new M117 Evo twin-turbocharged V8 engine, producing 530 hp, ...

This engine is fitted to a highly-controversial plug-in hybrid sports sedan, but it is still an engineering marvel.