Sound amplifier circuit for Mercedes-Benz R-class W251 facelift (2007-2010)

1 2 3 30 31 WAKE-UP 1 2 3 4 MIC (-) MIC GND MIC (+) 1 2 MOST MOST IN MOST OUT 1 2 MOST OUT MOST IN BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE CD CHANGER CENTER COCKPIT SPEAKER (CENTERFILL) EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) (IN LEFT REAR FOOTWELL) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES COCKPIT FUSE BOX (BEHIND RIGHT END OF DASH) FUSE 14 LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR SPEAKER LEFT REAR DOOR TWEETER LEFT REAR SURROUND LOUDSPEAKER MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR DOOR TWEETER RIGHT REAR SURROUND LOUDSPEAKER SOUND AMPLIFIER MICROPHONE SOUND SYSTEM AMPLIFIER (UNDER DRIVER'S SEAT) SRL (+) SRR (+) HR (+) HL (+) SUBWOOFER LOUDSPEAKER SW (+) SW (+) SW (+) SW (+) VM (+) VL (+) VL (+) SRL (-) SRR (-) HR (-) HL (-) VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE