Rubuta ci gaba don wannan sakin layi - Coulthard ya fara kakar wasa ta lashe gasar a Australia
kuma ya yi ritaya a Malaysia lokacin da motarsa ta sami matsalar lantarki. Ya yi nasarar daukar maki baya-da-baya a Brazil da San Marino yayin da ya yi ritaya daga karo a Spain. A watan Agusta, Coulthard ya sanya hannu kan wata yarjejeniya da za ta ci gaba da kasancewa a McLaren har zuwa shekara ta 2004. Coulthard ya sami damar tabbatar da wasu wurare biyu a Jamus da Japan. Coulthard ya gama na bakwai a gasar zakarun Turai, inda ya zira kwallaye 51. Bayan kammala kakar wasa, McLaren ya sanar da cewa za a sauke Coulthard a karshen shekara ta 2004 kuma Juan Pablo Montoya ya maye gurbinsa. Coulthard ya sami lambar yabo ta Hawthorn ta huɗu a jere don ƙoƙarinsa a lokacin kakar.