Mercedes-Benz S-class W221 facelift (2009-2013) central gateway control module (left front upper footwell) 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 FLAT WIRE FLAT WIRE FLAT WIRE UB 31 DATA 1 2 CAN B L CAN B H 12 11 16 15 CAN-F L CAN-F H CAN-B L CAN-B H 16 15 CAN-B L CAN-B H 26 25 CAN-B L CAN-B H 3 6 CAN-A L CAN-A H BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-B H CAN-B L 30 31 CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT UPPER FOOTWELL) COMPUTER DATA LINES SYSTEM DYNAMIC DRIVER SEAT MASSAGE FUNCTION MAIN VALVE FORE/AFT,HIEGHT, INCLINATION ADJUSTMENT SWITCH BACKREST SWITCH FRONT CENTRAL OPERATING UNIT FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) GRN WIRE GRY WIRE HEAD RESTRAINT ADJUSTMENT SWITCH LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT DYNAMIC SEAT CONTROL MODULE LEFT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR LEFT FRONT SEAT OPERATION SWITCH GROUP RED WIRE RED/WHT WIRE SEAT CUSHION FORE/AFT SWITCH WHT WIRE YEL WIRE YEL/WHT WIRE

1 2 3 CAN-E L CAN-E H 31 1 2 CAN-E L CAN-E H 11 2 CAN-E L CAN-E H 13 12 CAN-E L CAN-E H 17 18 CAN-E L CAN-E H 2 1 CAN E L CAN E H 2 3 CAN-E L CAN-E H 3 1 CAN E L CAN E H 4 3 CAN-E L CAN-E H 5 6 CAN-E L CAN-E H 54 41 CAN-E L CAN-E H 7 6 CAN-E L CAN-E H ABC CONTROL MODULE (LEFT REAR OF ENGINE COMPT) AIRMATIC W/ ADS CONTROL MODULE (LEFT REAR OF BRN WIRE CAN E H CAN E L CAN-E L CAN-E H CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT UPPER FOOTWELL) CHASSIS CAN/COCKPIT VOLTAGE DISTRIBUTOR CONNECTOR CHASSIS CAN/FFS (RBA) VOLTAGE DISTRIBUTOR CONNECTOR EIS (EZS) CONTROL UNIT ELECTROHYDRAULIC POWER STEERING (RIGHT FRONT ENGINE COMPT) ESP CONTROL MODULE (5.5L) FOOTWELL) FRONT SAM CONTROL MODULE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE LEFT FRONT REVERSIBLE EMERGENCY TENSIONING ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF MULTI-FUNCTION CAMERA (IF EQUIPPED) NIGHT VISION ASSIST CONTROL UNIT (IF EQUIPPED) (LEFT FRONT FOOTWELL) PTS CONTROL MODULE RADAR SENSORS CONTROL UNIT (SGR) (W/ DISTANCE PLUS) (RIGHT SIDE OF TRUNK) RESTRAINT SYSTEMS CONTROL MODULE (FRONT OF CENTER CONSOLE) RETRACTOR (BASE OF LEFT FRONT "B" PILLAR) RETRACTOR (BASE OF RIGHT FRONT "B" PILLAR) RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING STEERING COLUMN MODULE (TOP OF STEERING COLUMN) TPM CONTROL MODULE (RIGHT FRONT VIDEO, RADAR SENSOR CONTROL UNIT (W/ DISTRONICS PLUS) W/ ABC W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT)

4 2 3 1 CAN-B H CAN-B L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L CAN-B H CAN-B L 30 31 CAN-F H CAN-F L CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT UPPER FOOTWELL) COMAND CONTROL UNIT COMAND DISPLAY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM W/ MULTICONTOUR SEAT, DYNAMIC SEAT DYNAMIC FRONT PASSENGER SEAT MASSAGE FUNCTION MAIN VALVE FRONT CENTRAL OPERATING UNIT FUSE 127 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR FOOTWELL LUMBAR PUMP (LEFT SIDE OF TRUNK) NCA WIRE ORG/ WIRE ORG/WHT WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DYNAMIC SEAT CONTROL MODULE RIGHT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR W/ LUMBAR SUPPORT SEAT WHT WIRE YEL WIRE YEL/WHT WIRE