Mercedes GP Petronas Formula One Team, the trading name of Mercedes-Benz Grand Prix Limited. They are the Formula One racing team and constructor (builder) of Mercedes-Benz. Mercedes-Benz debuted in Formula One in , and competed with great success in the and seasons. After the 1955 season, Mercedes left the sport. Despite part-ownerships, and engine supplier deals in the 1990s and 2000s, it did not return as a factory team until November 2009.