Lewis Hamilton was one of four drivers to pay a visit to Mercedes High Performance Engines in Brixworth for a behind the scenes look at the work that goes into providing the engines for the McLaren F1 team.

Hamilton was joined for the visit by team-mate Heikki Kovalainen, as well as Brawn GP duo Jenson Button and Rubens Barrichello.

In this video, Hamilton discusses the Mercedes engine and KERS systems in the back of his McLaren car, with the KERS system being one the Briton refers to as the 'best in Formula 1'