The twin-turbocharged 4.0-liter M177 V8 features direct injection and was factory rated at 603 horsepower and 627 lb-ft of torque. The engine bears a plaque signed by the AMG specialist who assembled it.Power is delivered to all four wheels through an AMG Speedshift MCT nine-speed automatic transmission, a 4MATIC+ all-wheel-drive system, and an electronically-controlled limited-slip rear differential.The multifunction AMG performance steering wheel is wrapped in Nappa leather and microfiber, and it fronts paddle shifters as well as a configurable 12.3″ digital instrument cluster. The Driver Assistance package added active assists for distance, steering, lane changing and keeping, emergency stopping, cross traffic, blind spots, and rear-collision detection and preparation.31 miles are shown on the digital odometer.