Mercedes re-sign Toto Wolff and Niki Lauda to confirm F1 commitment

• Successful pair will remain with all-conquering formula one team until 2020
• Continuity key as team adapts to exits of Nico Rosberg and Paddy LoweMercedes have signed new deals with their executive director of motorsport, Toto Wolff, and the team’s non-executive chairman, Niki Lauda, to retain the pair until 2020, confirming the stability of the team up until the end of the manufacturer’s current commitment to Formula One, which runs until 2020 – when the current c