Daimler CEO Dieter Zetsche says there are three keys to Mercedes-Benz's global success, which has put it in position to finish 2016 as the world's No. 1 premium carmaker. He shared those while also explaining why he's bullish about electric cars, autonomous vehicles and the diesel engine in a recent interview with Automotive News Publisher and Editor Jason Stein, Automotive News Europe Editor Luca Ciferri, Staff Reporters David Undercoffler and Ryan Beene, and Correspondent Christiaan Hetzner.