This GPS antenna will work with the Crossfire (Becker) Navigation radio.


Mini GPS WICLIC for Mercedes Sony Becker Traffic 4720,4724,7822,7824,7925,7935 | eBay


I believe, but don't know for sure, that there are differences in the European radio frequencies used, and I don't know about the GPS satellites. Most definitely you will need the navigation disks for your location.