According to Mercedez-Benz Passion Blog, the discontinuation of the C43 and C63, along with their four-cylinder hybrid power plants, are set to be replaced with a new C53 4Matic+ powered by a 3.0 ...

The C53 will allegedly be powered by a version of the (M256) 3l, inline-six engine that’s already used in the CLE 53 and, like the latter model, deliver power to all four corners via Mercedes ...