Lew warms up for No.5

LEWIS HAMILTON will take the wraps off the Mercedes he hopes will fire him to a fifth Formula One title next month.

Mercedes, who last year sealed a fourth consecutive constructors’ title, are set to launch their car at Silverstone on February 22.

The Silver Arrows are due to complete 60 miles at the track in Northamptonshire.

Ferrari are also due to unveil their car on the same day, while Brits McLaren reveal their new challenger on February 23.

Winter testing starts in Barcelona three days later, with the Australian GP on March 25.