The switch from a 4-liter biturbo V8 to a four-cylinder turbo hybrid in its iconic sedan caused a rift within its fandom. In recent years, loyal and passionate enthusiasts who dwell on forums, comment ...

The Merc M139 four-cylinder faced dislike from customers due to its sound and application in models like the C63. But it was ...

AMG took the the C63 in a new direction in 2022 with the introduction of a plug-in hybrid four-pot, and it’s finally admitted that this road was a dead-end. That’s according to comments from one ...

Folks struggled to get enthusiastic about Mercedes' hybridized, four-cylinder successor to the V8-powered C63 AMG. In a car so dominated by the experience provided by its engine, it's easy to see why.