SOCHI, RUSSIA - APRIL 30: Nico Rosberg of Germany driving the (6) Mercedes AMG Petronas F1 Team Mercedes F1 WO7 Mercedes PU106C Hybrid turbo on track during final practice ahead of the Formula One Grand Prix of Russia at Sochi Autodrom on April 30, 2016 in Sochi, Russia.  (Photo by Mark Thompson/Getty Images)