sentences:  Also in March 2015, Mercedes-Benz announced that the company's main emphasis regarding alternative drives in the next years will be on plug-in hybrids.The carmaker plans to introduce 10 new plug-in hybrid models by 2017, and its next release was the Mercedes-Benz C 350e Plug-in Hybrid the carmaker’s second plug-in hybrid after the S 500 Plug-In Hybrid.Also in 2015, the GLE 550 e will be the first Mercedes SUV with a plug-in hybrid powertrain.