The Mercedes-Benz E400 Coupe is a luxury sports car from the German automaker. It is powered by a 3.0L V6 twin-turbocharged engine that produces 329 horsepower and 354 pound-feet of torque. The E400 Coupe also features Mercedes' 4MATIC all-wheel drive system and a 9-speed automatic transmission. It is a two-door vehicle that seats up to five passengers. The E400 Coupe has a luxurious interior that is fitted with leather upholstery, heated seats, dual-zone climate control, and a Harman Kardon surround sound system. The vehicle also offers an array of advanced driver assistance systems, including blind-spot monitoring and lane-keeping assist.