A spare-wheel carrier for a motor vehicle is pivotable at a body of the motor vehicle and arranged in a region of a tailgate of the motor vehicle. The spare-wheel carrier includes at least one sensor configured to detect at least one position of the spare-wheel carrier and to transmit the at least one position to a control unit. The control unit is configured to enable and block at least one function of the motor vehicle in accordance with the position of the spare-wheel carrier.