A driver for a vehicle window lifter, which can be connected to a window pane to be adjusted, wherein the driver comprises a driver body and at least one pane connecting region via which the driver can be fixed at the window pane to be adjusted and which defines a connecting gap into which the window pane to be connected is to be introduced with a lower edge so that in the properly connected state the lower edge faces two bases (113A, 113B) of the pane connecting region, wherein the pane connecting region includes two connecting brackets (11A, 11B) provided on the driver body, on each of which a latching nose (110A, 110B) is provided for the positive engagement in a connecting opening provided on the window pane and opposite each of which at least one positioning portion (112A, 112B) is provided, wherein, for mounting the window pane to the driver along a mounting direction, the connecting brackets (11A, 11B) are elastically displaceable on the driver body and the positioning portions (112A, 112B) each facing the connecting brackets (11A, 11B) each form a guide surface (1120A, 1120B) extending with an inclination relative to the mounting direction, via which the lower edge of the window pane introduced into the connecting gap is guided in the direction of the base (113A, 113B), wherein the two connecting brackets (11A, 11B) each are of U-shaped design, and a cutout (OA, OB) in the respective connecting bracket (11A, 11B) each is bordered via two legs and a head portion (11KA, 11KB) of a U-shaped connecting bracket (11A, 11B) connecting the legs, wherein the connecting brackets (11A, 11B) of the pane connecting region each can be elastically pivoted about a first pivot axis and the respective base (113A, 113B) of the pane connecting region is spaced apart from this pivot axis, wherein a respective positioning portion (112A, 112B), for mounting the window pane to the driver, likewise is elastically displaceable and is held so as to be elastically pivoted about a second pivot axis spaced apart from the first pivot axis, and each base (113A, 113B) is formed on a pedestal portion (114A, 114B) which protrudes from the driver body in the direction of the respective head portion (11KA, 11KB) of a respectively associated U-shaped connecting bracket (11A, 11B) and at least partly extends in the cutout (OA, OB) of the associated connecting bracket (11A, 11B), characterized in that each positioning portion is provided on the associated base and protrudes from the associated base. wherein the pane connecting region includes two connecting brackets (11A, 11B) provided on the driver body, on each of which a latching nose (110A, 110B) is provided for the positive engagement in a connecting opening provided on the window pane and opposite each of which at least one positioning portion (112A, 112B) is provided, wherein, for mounting the window pane to the driver along a mounting direction, the connecting brackets (11A, 11B) are elastically displaceable on the driver body and the positioning portions (112A, 112B) each facing the connecting brackets (11A, 11B) each form a guide surface (1120A, 1120B) extending with an inclination relative to the mounting direction, via which the lower edge of the window pane introduced into the connecting gap is guided in the direction of the base (113A, 113B), wherein the two connecting brackets (11A, 11B) each are of U-shaped design, and a cutout (OA, OB) in the respective connecting bracket (11A, 11B) each is bordered via two legs and a head portion (11KA, 11KB) of a U-shaped connecting bracket (11A, 11B) connecting the legs, wherein the connecting brackets (11A, 11B) of the pane connecting region each can be elastically pivoted about a first pivot axis and the respective base (113A, 113B) of the pane connecting region is spaced apart from this pivot axis, wherein a respective positioning portion (112A, 112B), for mounting the window pane to the driver, likewise is elastically displaceable and is held so as to be elastically pivoted about a second pivot axis spaced apart from the first pivot axis, and each base (113A, 113B) is formed on a pedestal portion (114A, 114B) which protrudes from the driver body in the direction of the respective head portion (11KA, 11KB) of a respectively associated U-shaped connecting bracket (11A, 11B) and at least partly extends in the cutout (OA, OB) of the associated connecting bracket (11A, 11B), characterized in that each positioning portion is provided on the associated base and protrudes from the associated base.