The McLaren MP4-23 was McLaren-Mercedes' Formula One car for the 2008 season.
The car won the 2008 World Drivers' Championship in the hands of Lewis Hamilton. Hamilton’s team mate for that year was Heikki Kovalainen.
Following the 2007 Formula One espionage controversy the MP4-23 was subject to FIA inspection before the start of the 2008 season, to determine if any Ferrari intellectual property was on the car.
After an admission that the Ferrari information was disseminated more widely throughout the team than was originally thought an apology by McLaren on 13 December 2007, and a pledge that measures would be taken to rectify the situation, caused the FIA to decide that there was no need for a formal hearing and the matter was considered closed.