SL/R230: no sound from radio 2003 sl500
http://benzbits.com/r230/fuses/
It could also be a fiber optic problem. Do you have a CD changer? If so, does it work, i.e. does the radio head unit recognize it and select discs? If you do have a CDC changer and it can't be seen, then it's a problem on the fiber loop.


