I don't know if Parts Shop deals in Euro body parts, but check there first. If not, Euro 123 bumpers both new and used appear in an Adsit catalog I have which is several years old. They are quite a bit more expensive than the US bumpers.
2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg
And remember folks, Only You Can Prevent Hilliary.