Connects2 CTVMC001 Mercedes A B C E Class AUX Adapter for Original HeadunitConnects2 CTVMC001 Mercedes A B C E Class AUX Adapter for Original Headunit Manufacturer Model Note Year From Year To Headunit Connection Mercedes C Class Vehicles with Audio5, Audio 20, Audio 50 APS, Comand APS NTG1 NTG2. MOST ring requires activating if not already enabled. 2004 2007 N A Mercedes E Class Vehicles with Audio5, Audio 20, Audio 50 APS, Comand APS NTG1 NTG2. MOST ring requires activating if not already enabled. 2002 2009 N A Mercedes