On November 16, 2009, it was announced that Mercedes would buy Brawn. They purchased 75% which gave them the controlling stake in the 2009 championship-winning team Brawn GP. The team, renamed and branded Mercedes GP, debuted at the 2010 Bahrain Grand Prix, with an all-German driver line-up of Nico Rosberg and Michael Schumacher and was their full return to factory sponsored motorsport in F1. Over the next few years, with Lewis Hamilton in the team , Mercedes would go on to win seven consecutive Formula One World Constructors' Championships from to ; the fourth highest total in Formula One history.