Nick Lars Heidfeld (born May 10, 1977 in Mönchengladbach, West Germany) is a German racing driver In 2010 he was the test and reserve driver for the Mercedes GP Formula One team. In August, Mercedes released Heidfeld from his contract to allow him to do tyre testing. He will test the new Pirelli tyre that will be used in the 2011 season. He previously raced in Formula One from 2000 to 2009.
In September, Heidfeld was signed by Sauber to replace Pedro de la Rosa. Heidfeld drove for Sauber from 2001 to 2003, and 2006 to 2009.
In 2011, Renault selected Heidfeld to replace the injured Robert Kubica.