There is no longer a 6 cylinder option for the 2013 Chevy Malibu. It comes with the same 2.5L DOHC 4-cylinder SIDI 197 HP engine with Variable Valve Timing (VVT).

I'm not sure if the Mercedes C250 Sedan and Coupe share the same classification. The last time I rented a C250 it was a GXAR.