I have a 1993 300E and have the same problem as above. I have searched the part number on the net and can only seem to find used ones on ebay anywhere from $50 to $150??? Not sure I want to trust a used one off of ebay.

anyway, where can I get one and what should the cost be?

also, would this keep the radio from working? the radio went out at the same time.

any and all replies greatly appreciated.