The rumors of what Mercedes-AMG plans to do with the C63 just won't quit, and this time Autocar is reporting that the turbocharged four-cylinder engine is being swapped out for a turbo inline-six.

Customers can opt for a special edition with AMG graphics and unique touches. The party continues for high-performance wagon fans as Mercedes-AMG has announced the E53 is coming stateside.

The Mercedes-AMG E-Class has undergone a profound shift with the current generation’s switch from a twin-turbocharged V-8 engine to a turbocharged inline-six plug-in hybrid powertrain.