From left: Dr Dieter Zetsche, chairman of the board of management of Daimler AG and head of Mercedes-Benz Cars, Hubertus Troska, member of the board of management of Daimler AG, and chairman & CEO of Daimler Greater China and Dr Thomas Weber, member of the board of management of Daimler AG, head of Group Research and Mercedes-Benz Cars Development at the Mercedes-Benz Concept GLA World Premiere Launch Event on April 19.Photos Provided to China Daily