Mercedes-Benz AMG revealed a new range-topping version of the SL roadster. Rated at a peak 805 hp, the car pairs a twin-turbocharged V-8 with an electric motor in a plug-in hybrid configuration that we’ll also see in AMG’s related GT Coupe. Porsche confirmed a few details for its electric Macan due on sale in 2024. It’s being developed with an…