The specifications for a 2015 Mercedes-Benz S550 luxury sedan include a 4.7L biturbo V-8 engine, 449 horsepower and a passenger capacity of five people. Also, it utilizes a seven-speed automatic transmission, has a highway fuel economy of 26 miles per gallon and has a curb weight of 4,630 pounds.
The 4.7 biturbo V-8 engine of the S550 combines twin turbos and numerous advances to create more torque from less fuel. A rapid-multispark ignition fires up to four times per millisecond and high-pressure Direct injection reduces emissions and noise The seven-speed automatic transmission, standard on the S550, is smooth, responsive and efficient. Two overdrive ratios enhance highway fuel efficiency, and an electronic sensor and shift paddles on the steering wheel allow the driver to make gear changes with his hands still on the wheel.
Employing electronically controlled air springs, the S550's Airmatic semi-active suspension provides a balanced, comfortable ride. Its four-wheel level control compensates for additional passengers and cargo, and it also lowers the ride height at higher speeds to improve aerodynamics, stability and efficiency. The S550's cabin is handcrafted and features advanced technology. The leather is hand-tailored, and there's an abundance of top-stitched upholstery on every surface. The S550 also features all-LED exterior and interior lighting.