Motor vehicle having a cooling system which comprises - an electric traction motor, - an ambient heat exchanger, - a traction battery, - a coolant heating apparatus, - a coolant/refrigerant heat exchanger of an air-conditioning device, - a first coolant pump and - a second coolant pump which are or can be directly or indirectly connected to one another via coolant lines and a distribution system, characterized in that the cooling system comprises a bypass to the ambient heat exchanger, and in that - in a first functional position of the distribution system - coolant can be conveyed by means of the first coolant pump in a first coolant circuit that comprises the traction motor, the bypass to the ambient heat exchanger and the coolant/refrigerant heat exchanger, and - coolant can be conveyed by means of the second coolant pump in a second coolant circuit that comprises the traction battery and the coolant heating apparatus and is separated from the first coolant circuit, and - in a second functional position of the distribution system - coolant can be conveyed by means of the first coolant pump in a third coolant circuit that comprises the traction motor and the ambient heat exchanger, and - coolant can be conveyed by means of the second coolant pump in a fourth coolant circuit that comprises the traction battery and the coolant/refrigerant heat exchanger and is separated from the third coolant circuit. - an electric traction motor, - an ambient heat exchanger, - a traction battery, - a coolant heating apparatus, - a coolant/refrigerant heat exchanger of an air-conditioning device, - a first coolant pump and - a second coolant pump - in a first functional position of the distribution system - coolant can be conveyed by means of the first coolant pump in a first coolant circuit that comprises the traction motor, the bypass to the ambient heat exchanger and the coolant/refrigerant heat exchanger, and - coolant can be conveyed by means of the second coolant pump in a second coolant circuit that comprises the traction battery and the coolant heating apparatus and is separated from the first coolant circuit, and - coolant can be conveyed by means of the first coolant pump in a first coolant circuit that comprises the traction motor, the bypass to the ambient heat exchanger and the coolant/refrigerant heat exchanger, and - coolant can be conveyed by means of the second coolant pump in a second coolant circuit that comprises the traction battery and the coolant heating apparatus and is separated from the first coolant circuit, and - in a second functional position of the distribution system - coolant can be conveyed by means of the first coolant pump in a third coolant circuit that comprises the traction motor and the ambient heat exchanger, and - coolant can be conveyed by means of the second coolant pump in a fourth coolant circuit that comprises the traction battery and the coolant/refrigerant heat exchanger and is separated from the third coolant circuit. - coolant can be conveyed by means of the first coolant pump in a third coolant circuit that comprises the traction motor and the ambient heat exchanger, and - coolant can be conveyed by means of the second coolant pump in a fourth coolant circuit that comprises the traction battery and the coolant/refrigerant heat exchanger and is separated from the third coolant circuit.