( http://www.TFLcar.com ) The 2014 Mercedes-Benz S Class promises to be a technological tour de force with the latest safety and comfort technology including possibly air-suspension. As the new 2014 Mercedes-Benz S Class get's closer to production the car needs to be tested in all kinds of environments including high altitude. We busted this prototype Mercedes-Benz S class taking a break from high altitude testing near Denver, Colorado.