Mercedes are to run their engines at a lower performance at the Japanese Grand Prix, after Lewis Hamilton's failed in Malaysia.
Lewis Hamilton says he wants "answers" from Mercedes after engine failure cost him victory in Malaysia and dented his title hopes.
Mercedes' Lewis Hamilton claims pole position in an exciting wet-dry qualifying for the Malaysian Grand Prix.
Lewis Hamilton is in convincing form as he heads Mercedes team-mate Nico Rosberg in second practice at the Malaysian Grand Prix.
Lewis Hamilton's world title hopes are dealt a heavy blow as his engine fails while leading the Malaysian Grand Prix.