Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Hi, welcome to Just Answer. My name is***** there is no sound from the radio or the CD player the fault will be with the amplifier. Fuse 66 in the trunk powers the module. You should remove and inspect the fuse and check the connections at the amplifier. If the fuse and connections are good you will need to replace the amplifier. The amplifier is located in the left side of the trunk. I've attached a picture below.
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Sorry, fuse 66 is in the rear fuse box located below the passenger side rear seat cushion. The fuses are accessed by removing the foot well light.