I bought this antenna with the hope that my car stereo (same manufacturer) to the antenna works great ... The radio with the original antenna (plate) of the C-Class did not work really well. At almost every street crossing the transmitter was gone. That's why I thought that the original antenna from the same Hertseller should work just fine (harmonize with each other). Antenna ordered, built relatively quickly, receiving even worse than the broken Mercedes-antenna (noise). I am bothered the glued Antennendrätchen. The must be installed on a relatig great distance from the window. Certainly if you have no other choice and the quality of reception is not as important, this antenna could be enough. (I bought an original Mercedes-antenna amplifier and disables this.) From the exterior, the parts look otherwise quality. The price is right also. Here is my summary: Processing: ***** (high quality) Installation: ***** (had no problems) Reception: ** to *** (reception)