The Mercedes AMG F1 W09 EQ Power+ was a Mercedes-Benz Formula One racing car designed and developed under the direction of James Allison, Aldo Costa, Mark Ellis, John Owen, Loïc Serra, Mike Elliott, Jarrod Murphy and Eric Blandin to compete during the 2018 Formula One World Championship. The car was driven by four-time World Drivers' Champion Lewis Hamilton, and Valtteri Bottas, both of whom remained with the team for a sixth and a second season, respectively.