In a method for controlling a measuring system in a chassis measuring station, the motor vehicle is detected automatically in the measuring station by at least one detection unit and its position is ascertained with respect to at least one measuring device which is controlled on the basis of a signal of the detection unit in that an operating state of the measuring device is activated. The measuring system includes at least two mutually opposite measuring devices, which respectively have one image acquisition unit and one transverse referencing unit, and at least one detection unit, which is a light barrier having at least one transmitter and receiver.