This is on my '03 C240 sedan. The rear passenger-side door handle is not as tight as it used to be. The door still locks and opens/closes fine. I noticed because the door was closed and the handle was not flush in the closed position. I pressed rather forcefully and I heard a pop when the handle finally budged in. Now when opening, it doesn't have the resistance the other 3 handles have. Is there a pin or something that provides resistance to the handle? I don't want this to break completely, rendering the handle useless.