2010 Mercedes Benz S400 Hybrid Sedan

Mercedes Benz releases its all-new S400 Hybrid sedan, which they claim, offers outstanding fuel economy without sacrificing performance. The S400 hybrid sedan is powered by a 3.5-liter V6 engine and an electric motor that delivers a combined 295HP and is said to be 26% more fuel efficient than the S550 (5.5-liter V8).