Power is sent to the rear wheels via a 9-speed automatic transmission, and it can sprint from 0-100 kph in just 5.7 seconds. The S 450e’s 22kWh battery can be charged from 10 to 80 per cent in 20 minutes using a 60kW DC fast charger. The plug-in hybrid luxury sedan is claimed to deliver a fuel efficiency of 32.2kmpl on the WLTP test cycle.