A method for producing a flat plastic component for a motor vehicle, at least one of the two surfaces of the plastic component having an adhesive tape or an adhesive film, the plastic component and the adhesive tape or adhesive film having at least one aperture, and preferably a plurality of apertures, over the entire height of the plastic component and of the adhesive tape or adhesive film, wherein the plastic component, without apertures, is provided with the adhesive tape or adhesive film, wherein the plastic component provided with the adhesive tape or the adhesive film is placed on a die, such that the surface having the tape or film is facing the die, wherein the die has a circumferential cutting edge on the edge of each desired aperture, in that in each case a punch for each aperture presses the plastic component against the die, from the surface facing away from the die, in order to punch out the aperture, wherein each punch has a circumferential cutting edge, the cutting edges of the punches and the cutting edges of the die corresponding in each case in position and shape to one another.