Missing anti-grating paint on the door handle cover. The grating occurs in that the leather of the door handle cover touches the shaped part of the door trim panel.
Remove the door handle cover. Apply anti-grating paint to the edges of the door handle cover and the shaped part of the door trim panel.
(1) Repair area
Cover the area around the repair spot. After applying the anti-grating paint, clean the repair area with a suitable cleaning agent.