Nico Rosberg extends contract with Mercedes through 2018

Nico Rosberg has finally agreed to a two-year contract extension with Mercedes.
The team announced it by posting a video on Twitter showing the German signing a piece of paper alongside a smiling Toto Wolff.
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— Nico Rosberg (@nico_rosberg) July 22, 2016
Later, a statement said simply: “We are delighted to announce that the Mercedes AMG Petronas Formula 1 Team has signed a two-year contract extension with Nico Rosberg for the 2017 and 2018 Formula One seasons. Nico has been a core member of the Silver Arrows since the team returned to the sport in 2010 and has played a crucial role in the team's success in that time.”
Negotiations have been ongoing for some time, with Gerhard Berger working as an advisor and helping Rosberg to get a better deal.
Thursday, when referring to the drawn out discussions, Rosberg noted: “Of course you need to be careful, because it can influence and take some energy away, but I think from my side with the experience that I have now I know how to handle it, and in my part I have Gerhard Berger who is handling it for me, specifically to make sure that I don't lose any focus on the racing and to get the best out of it.”