In April 2005, with Juan Pablo Montoya injured, Wurz drove for McLaren in the 2005 San Marino Grand Prix, finishing fourth in the race, but taking third place after both BAR-Honda drivers were disqualified.
En abril de 2005, con Juan Pablo Montoya lesionado, Wurz pilotou o McLaren no Gran Premio de San Marino de 2005, terminando cuarto na carreira, pero tomando o terceiro posto logo de que os dous pilotos de BAR-Honda foran descualificados.