A liquid container for a motor vehicle, - having a container wall (8, 64, 90), which delimits with respect to surroundings a storage volume (10, 66) for storing liquid, - having a heating element (12, 34, 68), which is arranged in the storage volume (10, 66), and - having a housing (14, 46, 70, 88), wherein the housing (14, 46, 70, 88) encloses the heating element (12, 34, 68) in a liquid-tight manner with respect to the storage volume (10, 66). - a cable leadthrough, wherein at least one cable (18, 36, 38) for the supply of energy to the heating element (12, 34, 68) is led from the heating element (12, 34, 68) into the surroundings of the liquid container (2, 86, 98, 106), - wherein the cable leadthrough has a first passage opening (20, 48), which is formed on the housing (14, 46, 70, 88), and has a second passage opening, which is formed on the container wall (8, 64, 90), and - wherein, in the region of the cable leadthrough, the housing (14, 46, 70, 88) and the container wall (8, 64, 90) are connected in a liquid-tight manner, - the housing and the container wall are welded to one another by means of a welding ring (92, characterized in that - the container wall has a wall collar, - which delimits the second passage opening and - extends in the direction of the surroundings in a manner facing away from the heating element, - wherein the wall collar is welded to the housing by means of the welding ring, - the housing has a housing collar, - which delimits the first passage opening and - extends in the direction of the surroundings in a manner facing away from the heating element and, - at least sectionally, extends within the second passage opening, wherein the housing collar is welded to the container wall by means of the welding ring. - having a container wall (8, 64, 90), which delimits with respect to surroundings a storage volume (10, 66) for storing liquid, - having a heating element (12, 34, 68), which is arranged in the storage volume (10, 66), and - having a housing (14, 46, 70, 88), wherein the housing (14, 46, 70, 88) encloses the heating element (12, 34, 68) in a liquid-tight manner with respect to the storage volume (10, 66). - a cable leadthrough, wherein at least one cable (18, 36, 38) for the supply of energy to the heating element (12, 34, 68) is led from the heating element (12, 34, 68) into the surroundings of the liquid container (2, 86, 98, 106), - wherein the cable leadthrough has a first passage opening (20, 48), which is formed on the housing (14, 46, 70, 88), and has a second passage opening, which is formed on the container wall (8, 64, 90), and - wherein, in the region of the cable leadthrough, the housing (14, 46, 70, 88) and the container wall (8, 64, 90) are connected in a liquid-tight manner, - the housing and the container wall are welded to one another by means of a welding ring (92, characterized in that - the container wall has a wall collar, - which delimits the second passage opening and - extends in the direction of the surroundings in a manner facing away from the heating element, - wherein the wall collar is welded to the housing by means of the welding ring, - the housing has a housing collar, - which delimits the first passage opening and - extends in the direction of the surroundings in a manner facing away from the heating element and, - at least sectionally, extends within the second passage opening, wherein the housing collar is welded to the container wall by means of the welding ring.