 It was not a success, though, and was replaced mid-season by the MP4-19B.With this, Räikkönen scored the team's and his only win of the year at the Belgian Grand Prix, as McLaren finished fifth in the Constructors' Championship, their worst ranking since 1983.Coulthard left for Red Bull Racing in to be replaced by former CART champion Juan Pablo Montoya for what was McLaren's most successful season in several years as he and Räikkönen won ten races.