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I have this GLC63s being worked on. The only thing I have left to fix is the adaptive cruise control functions. My adaptive cruise control, blindspot assist, break assist, and essentially all drivers assistance options do not work and don't activate. Ive been trying to find a harness that plugs into the distronic radar and sensors but Im having no luck. Not even the dealer has been able to find the harness which is strange. Can someone please help. I attatched pictures of what I need.