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 . <EOS>