Folks, we've got another chapter in the fallout of Mercedes-AMG introducing a plug-in-hybrid inline-4 motor to the C63 and GLC63. The German automaker now says it is preparing to phase out the ...

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 ...