D2b data bus circuit for Mercedes-Benz C-class AMG W203/S203/CL203 facelift (2004-2007)

BLU/BLK WIRE CD CHANGER COMMAND OPERATING, DISPLAY, CONTROL UNIT COMPUTER DATA LINES SYSTEM DIAG GRN/BLK WIRE OPTICS CONNECTOR (UNDER RIGHT REAR SEAT) ORG/ WIRE RADIO SDARS CONTROL UNIT SOUND AMPLIFIER TELEPHONE INTERFACE TRANSMITTER/RECEIVER VOICE CONTROL SYSTEM CONTROL MODULE W/ COMMAND ACTUATION CIRCUIT W/ RADIO CIRCUIT WAKE UP SIGNAL CONNECTOR (INSIDE INTERIOR OF RIGHT FOOTWELL) WAKE-UP