Herbert Kohler

While Audi readies its first hybrid model for launch later this year with the new Q5 Hybrid, rivals Mercedes-Benz and BMW are already working on their third and fourth gasoline-electric models. Take Mercedes-Benz, for example. The automaker has already launched the S400 Hybrid and ML450 Hybrid, and now an insider has revealed plans for hybrid versions of the C- and E-Class sedans and also confirmed the existence of a production version of the Vision S500 Plug-In Hybrid concept vehicle. Speaking with Automotive News, the insider said C- and E-Class hybrids would be launched in Europe before...