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  #1  
Old 01-07-2009, 07:59 PM
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Why Does my 560SEL keep killing Becker Stereos????

My original Becker was dead when I bought the car, wouldn't turn on or anything, so I got a used 780 to replace the 754. I plugged it in, and it worked great, until I locked and unlocked the doors. After I did that, there were just dashes across the display. Damn! So I thought maybe it was because I didn't put one of the tabs on correctly on the rear of the unit. So I got yet ANOTHER Becker, installed it, and it worked perfectly, again, until I locked the doors. It now just shows dashes on the display. This is driving me crazy...what could be causing this??

I want to take the stereo to the Mercedes dealer to have them unlock it, but I just know it will lock itself again...

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Old 01-07-2009, 09:32 PM
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If the stereo isn't properly connected, or is unplugged when the car is locked, it will lock itself.

There is a separate connector on the back of the stereo IIRC for the alarm trigger.
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  #3  
Old 01-08-2009, 07:49 AM
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You can get some more info from my web site on your problem.
http://web.mac.com/dakota/Mercedes/Becker.html
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  #4  
Old 01-08-2009, 09:47 AM
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Do you use the vanity mirror on Passenger side? If the contact switch is bad it will cause your Becker to code out.
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  #5  
Old 01-08-2009, 01:56 PM
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Throw a damn aftermarket stereo in the thing....
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  #6  
Old 01-09-2009, 12:31 PM
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lol

For REAL !!! I can't wait till my birthday so I can replace that dammed old becker tape radio . I think an alpine dvd player would look really nice inside the cabin of a 560 SEL.
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Old 01-14-2009, 04:30 PM
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Quit plugging in the alarm harness.
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  #8  
Old 01-14-2009, 05:19 PM
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Quote:
Originally Posted by Hit Man X View Post
Quit plugging in the alarm harness.
Yes, thanks I know that now...unfortunately it's too late. Oh well, my new Pioneer should be here sometime today, and I just installed Infinity reference speakers all around.

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