System for wiping a vehicle window, the said window being equipped with a sensor, comprising a first wiper (15) which can wipe a first area of the window, including a portion (8, 8′) which extends at the level of the said sensor, a second wiper (13) which can wipe a second area of the window, different from the said first area, means for activation of the said first and second wipers for the purpose of their displacement on the window, and electronic means for control of the said means for activation, characterized in that the said means for activation comprise a first motor for activation of the said first wiper, and a second motor for activation of the said second wiper, and in that the said control means are configured to activate only the said first motor when cleaning of the said portion is required.