A vehicle occupant protection system comprising at least one airbag (14) which can be filled by means of a gas generator assembly (12), wherein the gas generator assembly (12) comprises at least one separate support (24) mountable to the vehicle and at least two gas generators (16, 18) manufactured separately from each other and each having a separate outer housing which are tightly mounted on the support (24), and wherein both gas generators (16, 18) supply, individually and/or jointly, filling gas for the same airbag (14), and comprising a control unit (22) which determines the times of activation of the at least two gas generators (16, 18), wherein the times can be determined simultaneously or time-delayed.