Official Word:

Mercedes-AMG presents the new SL 63 S E PERFORMANCE. The roadster's Handcrafted AMG 4.0L V8 Biturbo engine and AMG Electric Drive Unit produce an 805 hp combined system output and up to 1,047 lb-ft combined system torque. This makes the new E PERFORMANCE model the most powerful SL to date. The immediate response of the electric drive on the rear axle, rapid torque build-up and linear power delivery enable impressive performance. Acceleration from 0 to 60...Read.