Four New Mercedes-Benz S Class Vehicles Debut at the Frankfurt Auto Show

The S 500 Plug-in Hybrid, S 500 Intelligent Drive research vehicle, the Concept S-Class Coupé and a test drive in the S 63 AMG

We wrote enthusiastically about our road test of the new Mercedes-Benz S Class just a few months ago. With the introduction of the latest cars joining the family at the 2013 IAA Frankfurt Auto Show, we now have a more complete view into the range of vehicles representing the brand’s flagship line, and can see the talents of the company’s design, technology and engineering teams. …