The 2015 Mercedes-Benz S550 is a rear-wheel drive luxury sedan powered by a 4.7-liter twin-turbocharged V8 engine that produces 449 peak horsepower. The S550 is available with 4MATIC all-wheel drive and is also manufactured in a two-door coupe version built with the same platform and engine.
The 2015 S550 comes standard with a seven-speed shiftable automatic transmission. It also comes with dual 12-inch infotainment touch screens and leather upholstery. A new option for the 2015 S550 is a plug-in hybrid system that integrates an electric motor and battery with the gasoline engine. The hybrid S550 can operate for approximately 20 miles on electric power alone.