Mercedes-Benz celebrates 120 years of racing history at Techno Classica 2014. More than 30 racing cars, representing a timeline of extraordinary victories since 1894 and outstanding innovations in racing technology showcase 120 years of Mercedes-Benz motor racing history at Techno Classica in Essen this week.  Mercedes-Benz Classic celebrates this incomparable string of moments in engineering history with a presentation encompassing more than 30 racing cars from all periods and...