Mercedes tie down Toto Wolff and Niki Lauda until 2020 after 'exceeding our expectations' with F1 dominance Feb 20, 2017 Daimler AG chairman Dr Dieter Zetsche praised Wolff and Lauda for their impact since Mercedes' 2013 management shake-up Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus