Unfortunately, if you are getting anything on the display you have power, therefore it isn't something dirt simple. Frankly, with the price of much more advanced radios that are on the market today, I wouldn't fix it as you can get a great radio with CD or casette for under $100, installed.

__________________
'76 240D-Sold
'78 240D-Sold
'85 300 SD, 165K-Sold
'88 300 TE, 165K-Sold
'64 Porsche 356C Cabriolet- under restoration
'86 560SL 124K Miles-Sold
'94 320E Wagon, 74K Miles-128K Miles JUNKED
'06 E350 Wagon, 84K Miles
07 SL550, 14K Miles