Button: Hamilton's speed will surprise Rosberg
13 December 2012 – Jenson Button expects outgoing McLaren team-mate Lewis Hamilton to surprise Nico Rosberg at Mercedes next season, with the 2009 Champion highlighting his fellow Briton's ability to extract speed from an underperforming car.
Following a six-season spell at McLaren, Hamilton is parting ways with his only Formula 1 employers to date and joining the Silver Arrows on a three-year deal.
Button also believes that Hamilton and Rosberg's experience as karting team-mates should ease the transition when the move is completed on January 1.
"I think he knows him pretty well," he said. "I think Nico knows Lewis better than I do. They've worked together before and I'm sure he knows what to expect."
During their time as team-mates, Button scored 672 points to Hamilton's 657.