A Mercedes-Benz logo is seen on S500 car at the company’s vehicle assembly plant in Chakan, outside Pune, India, June 11, 2015. . REUTERS/Danish Siddiqui/File PhotoRegister now for FREE unlimited access to Reuters.comStart-up frenzy, stock market boom create new millionairesAverage age of Mercedes car buyer less than 40 yearsSale of its top-end luxury models grew…Continue Reading