1999 C280, 95K miles.

My radio **** is losing contact. Sometimes I have to hold it down for a good 5 seconds before the radio turns on. Also, when I turn the **** to adjust the volume, it skips or doesnt change at all. What can I do to fix the problem? Can you retigthen the ****?

Thanks.

 

Try tv tuner cleaner $10.00 radio shack.