a device for measuring the spring compression position of a motor vehicle , with a number of axle components and a chassis includes spring elements arranged between the axle components and the chassis , as well as with at least one magnet array and at least one magnetic field sensor . the magnetic field sensor is displaced in relation to the magnet array in the case of a change in the spring compression position of the motor vehicle . the magnet array or the magnetic field sensor is arranged at a point of the spring element that moves in case of a change in the spring compression position in relation to both the chassis and in relation to the axle component .