Radio and other malfunctions - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 10-08-2011, 08:13 AM Thread Starter
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Radio and other malfunctions

I have a 1991 500SL (37,000 miles). When I turn the radio on the word WAIT appears on the screen. There is a humming in the area of the radio and the passenger door courtesy light comes on. The cruise control is also not working and the other day for the first time the car alarm came on while the car was parked in the garage. The car runs well but these problems, related or not, need some attention. Thoughts on a fix?
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post #2 of 2 (permalink) Old 10-08-2011, 09:00 AM
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Date registered: Dec 2005
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To fix the radio, you have to keep it on until it asks for a security code. And at that point, enter the correct code unlike on the previous attempts.
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