A simple harness will do nothing for you. You will need a factory tv tuner or a a/v adaptor. Some aftermarket a/v adapters automatically activate the button. Factory tuners require activation with a dealer computer.
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2003 c320 Sedan - Completely updated to 2005 spec with all euro and usa options
2002 s500 Sedan - Completely updated to 2006 spec with all USA options and some euro options.
Linear Mode
