Toto Wolff admitted he and Lewis Hamilton had to rebuild their mutual trust after the Brit's battle against team-mate Nico Rosberg turned ugly.
Hamilton has won six of his seven Formula 1 titles with Mercedes, while Rosberg remains the only driver who ever became champion while team-mates with the Brit. That came at the end of a blockbuster battle between them which led to plenty of flashpoints.
Many of Hamilton's complaints were about the number of reliability issues he was suffering. Aware that his engines were costing him in the title hunt, he took several public swipes at the team including one example when he declared: "Someone doesn't want me to win this year."
