Even though there has been no confirmation that Merc will be getting rid of the gas and diesel powered S Class models, they are already well into development of a new pure EV flagship. It has been reported that it will be using the same dual electric motor powerplant as the EQ C, which provides 408hp. https://www.autoevolution.com/news/mercedes-eqs-coming-in-2020-with-around-400-hp-130958.html