I have a 2000 S500 with a 6 cd changer model MC3198 in the truck. Some how the plug rotted out on the bottom of the cd changer unit. Also the electronic piece on the bottom of the cd changer that the 3 wire plug plugs into is also rusted. I need to buy both. The cd changer works fine except for the wired plug and electronic unit. Can any one please tell me where to purchase these parts. Please see attached picture.

Thanks in advance.

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