It's happened to me twice now. The first time they also scratched the paint on the hood of my 140 which really pissed me off. You can get them cheap from our host and they are pretty easy to install. Good luck!
1992 190E 2.3(White/Navy)
1999 VW Jetta TDI(Pearl Green)
1986 SAAB 900 Base 3 door(White)
1983 Porsche 911SC(Chiffon)
1977 VW Scirocco(DiamondSilver)