Mercedes-Benz AMG’s SL roadster has spawned a range-topping choice packing a V-8-based plug-in hybrid powertrain good for 805 hp.

The brand new SL 63 S E Efficiency made its debut late on Monday and is due in showrooms subsequent yr. It is going to arrive within the U.S. as a 2024 mannequin.

The automotive’s powertrain is a well-known one, as variations of it already characteristic within the AMG GT 63 S E Efficiency 4-Door Coupe and AMG S 63 E Efficiency. The setup can also be destined for the redesigned AMG GT Coupe, the SL’s coupe counterpart.

The powertrain combines Mercedes’ twin-turbocharged 4.0-liter V-8 with an electrical motor on the rear axle for a peak output of 805 hp and a monstrous 1,047 lb-ft of torque. A 9-speed computerized for the V-8, a 2-speed computerized for the electrical motor, and a traditional all-wheel-drive system with a limited-slip differential full the drivetrain package deal. By giving the engine and electrical motor their very own transmissions, extra torque will be delivered to the wheels, in accordance with AMG.

2024 Mercedes-Benz AMG SL 63 S E Efficiency

Powering the electrical motor is a 6.1-kwh battery. An estimate for electrical vary hasn’t been given, although AMG mentioned the battery is designed extra for delivering excessive energy versus lengthy vary. The battery makes use of expertise derived from Formulation 1, which permits it to cost and discharge excessive energy in fast succession whereas remaining comparatively low in weight.

Key to this can be a refined liquid cooling system that retains the battery’s working temperature inside a perfect temperature vary, thus guaranteeing there’s no discount in electrical energy resulting from a battery that is too heat or too chilly.

Efficiency claims embody a dash to 60 mph from relaxation in 2.8 seconds and a ruled prime pace of 196 mph. The numbers are spectacular given the doubtless weight of the automotive. The V-8-only SL 63 already weighs 4,343 kilos. Add the electrical motor, battery, and different hybrid {hardware} and the load will in all probability attain near 4,800 kilos or extra.

Pricing data might be introduced nearer to subsequent yr’s market launch.