Actuator device for adjusting a sliding cam system

An actuator device for a sliding cam system, comprising at least one sliding cam and an engagement pin which projects out of a housing, the housing is fastenable to a component of a cylinder head or to the cylinder head of an internal combustion engine, and the engagement pin is movable into contact with at least one groove of the sliding cam system, said groove has at least one ejection ramp, and wherein the engagement pin has, within the housing, a permanent holding magnet and, adjoining the permanent holding magnet, is a controlling stationary coil core which is magnetizable by an electrical coil, and the engagement pin is spring-loaded in a direction of the sliding cam, at least at an end region of the engagement pin which faces toward the sliding cam, there is an actuating device which is active in a region in which the ejection ramp runs out at a high circle, said actuating device generates an auxiliary force on the engagement pin in a direction of the housing, the actuating device having, at the end of the engagement pin which faces toward the sliding cam and in the region in which the ejection ramp runs out at the high circle, respectively, one permanent magnet and a permanent counter-magnet, and said one permanent magnet and said permanent counter-magnet are installed with opposite poles directed toward one another.