Mercedes-AMG has unveiled a new '53' model line in Detroit, with power from a 48V hybrid-boosted inline-six engine.
Debuting in the CLS, E-Class Coupe and E-Class Cabriolet, the new powertrain comprises of a turbocharged inline-six petrol engine making 320kW of power and 520Nm of torque, augmented by a 48V electric system offering an extra 16kW and 250Nm for brief periods.