Powering the fifth-gen E-Class will be a range of five engines at launch, with that number rising to eight in time. The launch line-up includes a brand new 2.0-litre turbodiesel. This not only pumps out 192bhp, but it also emits just 102g/km of CO2 and can return 72.4mpg it is claimed. Petrol engines after launch will include a 242bhp 2.0-litre, a 326bhp 3.0-litre V6 and an AMG E63 version with 580bhp.