hello,
you can look at www.audio-10.com there you can get informations about that.
you can also buy there the Mercedes Benz Radios and read for more informations about Mercedes Audio 10 CD Radio Alpine Model MF2910, MF2199 or Becker Model be6021, be4410 on this side:
www.audio-10.com
If you have any questions you can ask him everything about this radios.
Bill