Here are photos of the 2011 or 2012 S Class.

http://www.egmcartech.com/wp-content/uploads/2008/01/photo_rendering_mercedes_2011_s_class_schulte_1.jp g

http://www.egmcartech.com/wp-content/uploads/2008/01/photo_rendering_mercedes_2011_s_class_schulte_2.jp g

Who knows if they will go with this model... but I don't know about that body line towards the bottom of the doors leading to the front fender bubble lol. The rear end that looks a little like a bentley GT and CLS benz mixed together.

The f700 concept looks pretty wild.