2016 Mercedes-Benz S 500 Plug-In Hybrid

The 2016 Mercedes-Benz S550 Plug-In Hybrid luxury sedan will arrive in the U.S. next spring. We've now driven a prototype of the U.S.-spec car, which is quiet, luxurious, and likely to carry a six-figure price tag. And it will be followed within a year by two more plug-in hybrids using the same powertrain: a smaller C-Class sedan, and a refreshed version of the current ML crossover utility vehicle. DON'T MISS: Three Mercedes Plug-In Hybrids On Sale By End Of 2015: S-Class, C-Class, ML-Class The basic powertrain is a gasoline V-6 engine with a single electric motor sandwiched between it and an...