Mercedes-Benz S-class W221 facelift (2009-2013) electric parking brake control unit (left rear wheelwell) Wiring diagrams

1 2 3 4 30 31 CAN-D H CAN-D L 5 10 CAN-G L CAN-G H 6 7 8 9 10 11 12 13 14 CAN-G H CAN-G L BRN WIRE BRN/RED WIRE CAN-D H CAN-D L CAN-F H CAN-F L CAN-E H CAN-E L CAN-B H CAN-B L CAN-G H CAN-G L CAN-E H CAN-E L CAN-G CAN-G CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT UPPER FOOTWELL) DATA LINK CONNECTOR (UNDER LEFT END OF DASH) ELECTRIC PARKING BRAKE CONTROL UNIT (LEFT REAR WHEELWELL) EMERGENCY CALL SYSTEM CONTROL UNIT (LEFT FRONT OF TRUNK) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES FUSE 36 RED WIRE RED/GRN WIRE YEL WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 31 31 FRB VL 30 HSK BEL CAN-B L 1 3 2 NIGHT VISION ASSIST BUTTON 2 4 5 10 7 9 SW 6 SW 4 CAN G L CAN G H SW 3 SW 1 ANALOG CLOCK ATA(EDW) FUNCTION INDICATOR AUTOMATIC CHILD SEAT RECOGNITION AIRBAG OFF IND LAMP BLU WIRE BRAKE FLUID INDICATOR SWITCH (LEFT REAR OF ENGINE COMPT) BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H COCKPIT SWITCH GROUP COMAND DISPLAY BRIGHTNESS CONTROL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DEFROST/ HEATED WINDSHIELD BUTTON ELECTRIC PARKING BRAKE CONTROL UNIT (LEFT REAR WHEELWELL) ELECTRIC PARKING BRAKE SWITCH ESP OFF SWITCH FRB VR 30 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HEATED REAR WINDOW BUTTON INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LEFT AUTOMATIC AIR CONDITIONING BUTTON LEFT BLOWER BUTTON LEFT TEMPERATURE SELECTION BUTTON LEVEL ADJUSTMENT SWITCH NIGHT VIEW ASSIST DISPLAY BRIGHTNESS CONTROL SWITCH, CONTROLS ILLUMINATION OFF/ RESIDUAL HEAT BUTTON OVERHEAD CONTROL PANEL CIRCUIT PTS LEFT COMAND OFF DISPLAY SWITCH SWIVEL SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT AIR BLOWER RECIRCULATION BUTTON BUTTON RIGHT AUTOMATIC AIR CONDITIONING BUTTON RIGHT COMAND DISPLAY SWIVEL SWITCH RIGHT TEMPERATURE SELECTION BUTTON ROTARY LIGHT SWITCH SIG STH/ZUH/ RESIDUAL HEAT BUTTON UPPER CONTROL PANEL CONTROL UNIT VIO/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BRN WIRE BRN/YEL WIRE CAN B H CAN B L CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT (LEFT REAR WHEELWELL) ELECTRIC PARKING BRAKE SWITCH FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE 35 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES ENGINE COMPARTMENT FUSE 6 PREFUSE BOX (RIGHT REAR ENGINE COMPT) RED WIRE RED/BLU WIRE RED/YEL WIRE SW 1 CAN G H 30 SW 4 CAN G L 87 SW 3 SW 6 VIO/BRN WIRE