Mercedes-Benz has hinted at an S Class with plug-in hybrid for several years. Now, it appears those rumors are about to become reality when Mercedes introduces the S500 Plug-in Hybrid, it the model will be known, at the 2013 Frankfurt Auto Show in September.
Reports indicate that the CO2 figure of the S500 Plug-in Hybrid will be 70g/km in order to better the 71g/km figure of current lowest CO2 emitter in the luxury segment, the Porsche Panamera S E-Hybrid. Economy is expected to be above 90 mpg.
The vehicle will be powered by a V6 engine working in concert with an electric motor. A battery pack which will be installed in the trunk so cargo capacity will be slightly lower than on the regular model.