A device for a motor-driven adjustment of a vehicle door, in particular comprising a traction mechanism configured to be mounted to a vehicle door and comprising a motor drive unit and at least one flexible traction member, the at least one flexible traction member being connected to a check arm to be fastened to a vehicle body structure and the motor drive unit, and the motor drive unit being configured to drive the at least one flexible traction member for pulling the check arm, by the at least one flexible traction member, along an adjustment path for adjusting the vehicle door relative to the body structure.