A motor vehicle door hinge, comprising - a pillar bracket which is able to be arranged on a motor vehicle body, - a door bracket which is able to be connected to a motor vehicle door, - a hinge pin connecting together the door bracket and the pillar bracket in an articulated manner, said hinge pin being connected fixedly in terms of rotation to the pillar bracket and being connected in a rotationally articulated manner to the door bracket and - a blocking unit, comprising - a braking insert connected fixedly in terms of rotation to the door bracket and having a braking surface and - a blocking element connected fixedly in terms of rotation to the hinge pin, said blocking element having retaining surfaces which are able to be adjusted in the direction of the braking surface, characterised in that the retaining surfaces are arranged on two blocking element arms (8a, 8b) configured integrally with the blocking element, said blocking element arms being able to be displaced in a resilient manner by means of an adjusting unit in the direction of the braking surface such that the retaining surfaces bear against the braking surface, the braking insert being arranged between the two blocking element arms (8a, 8b), each comprising one respective retaining surface, and the adjusting unit being configured such that said adjusting unit presses the retaining surfaces onto opposing braking surfaces of the braking insert and the adjusting unit comprises an adjusting screw by means of which the blocking element arms (8a, 8b) are able to be displaced in the direction of the braking insert, the adjusting screw extending between the blocking element arms (8a, 8b) such that the distance between the blocking element arms (8a, 8b) is able to be adjusted via the adjusting screw. - a pillar bracket which is able to be arranged on a motor vehicle body, - a door bracket which is able to be connected to a motor vehicle door, - a hinge pin connecting together the door bracket and the pillar bracket in an articulated manner, said hinge pin being connected fixedly in terms of rotation to the pillar bracket and being connected in a rotationally articulated manner to the door bracket and - a blocking unit, comprising - a braking insert connected fixedly in terms of rotation to the door bracket and having a braking surface and - a blocking element connected fixedly in terms of rotation to the hinge pin, said blocking element having retaining surfaces which are able to be adjusted in the direction of the braking surface, characterised in that the retaining surfaces are arranged on two blocking element arms (8a, 8b) configured integrally with the blocking element, said blocking element arms being able to be displaced in a resilient manner by means of an adjusting unit in the direction of the braking surface such that the retaining surfaces bear against the braking surface, the braking insert being arranged between the two blocking element arms (8a, 8b), each comprising one respective retaining surface, and the adjusting unit being configured such that said adjusting unit presses the retaining surfaces onto opposing braking surfaces of the braking insert and the adjusting unit comprises an adjusting screw by means of which the blocking element arms (8a, 8b) are able to be displaced in the direction of the braking insert, the adjusting screw extending between the blocking element arms (8a, 8b) such that the distance between the blocking element arms (8a, 8b) is able to be adjusted via the adjusting screw. - a braking insert connected fixedly in terms of rotation to the door bracket and having a braking surface and - a blocking element connected fixedly in terms of rotation to the hinge pin, said blocking element having retaining surfaces which are able to be adjusted in the direction of the braking surface, characterised in that the retaining surfaces are arranged on two blocking element arms (8a, 8b) configured integrally with the blocking element, said blocking element arms being able to be displaced in a resilient manner by means of an adjusting unit in the direction of the braking surface such that the retaining surfaces bear against the braking surface, the braking insert being arranged between the two blocking element arms (8a, 8b), each comprising one respective retaining surface, and the adjusting unit being configured such that said adjusting unit presses the retaining surfaces onto opposing braking surfaces of the braking insert and the adjusting unit comprises an adjusting screw by means of which the blocking element arms (8a, 8b) are able to be displaced in the direction of the braking insert, the adjusting screw extending between the blocking element arms (8a, 8b) such that the distance between the blocking element arms (8a, 8b) is able to be adjusted via the adjusting screw.