Mercedes-Benz S-class W221 (2005-2009) High/low bus circuit

1 2 3 CAN-C L CAN-C H 31 1 2 CAN-C L CAN-C H 1 2 CAN-F L CAN-F H 1 2 CAN-H L CAN-H H 11 1 CAN-F L CAN-F H 11 10 CAN-H L CAN-H H 12 11 CAN-F L CAN-F H 12 13 CAN-F L CAN-F H 19 18 CAN-H L CAN-H H 2 1 CAN-F L CAN-F H 3 2 CAN-H L CAN-H H 5 4 CAN-H L CAN-H H 55 42 CAN-F L CAN-F H BLU WIRE BLU/WHT WIRE BRN WIRE CENTRAL CAN VOLTAGE DISTRIBUTOR CONNECTOR CENTRAL GATEWAY CONTROL MODULE COMAND CONTROL UNIT DRIVETRAIN CAN VOLTAGE DISTRIBUTOR CONNECTOR DTR CONTROL UNIT (IF EQUIPPED) (UNDER PLATE IN RIGHT ELECTRIC CONTROL UNIT (VGS) ENGINE COMPT) ESP CONTROL UNIT (LEFT SIDE OF INSTRUMENT CLUSTER INTELLIGENT SERVO MODULE FOR DIRECT SELECT ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF NIGHT VISION ASSIST CONTROL UNIT (IF EQUIPPED) RADAR SENSOR CONTROL UNIT (SGR) (W/ CITY ASSIST SYSTEM VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR CONNECTOR VIO WIRE VIO/WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR YEL WIRE YEL/WHT WIRE

1 2 3 CAN-E L CAN-E H 31 1 2 CAN-E L CAN-E H 11 10 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 20 19 CAN-E L CAN-E H 3 1 CAN E L CAN E H 3 9 CAN-E L CAN-E H 54 41 CAN-E L CAN-E H 6 5 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 L CAN-E H CENTRAL GATEWAY CONTROL MODULE CHASSIS CAN/COCKPIT VOLTAGE DISTRIBUTOR CONNECTOR CHASSIS CAN/FFS (RBA) VOLTAGE DISTRIBUTOR CONNECTOR EIS (EZS) CONTROL UNIT ENGINE COMPT) ESP CONTROL MODULE LEFT SIDE OF FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE LEFT FRONT REVERSIBLE EMERGENCY TENSIONING ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF RADAR SENSOR CONTROL UNIT (SGR) (W/ CITY ASSIST SYSTEM) RESTRAINT SYSTEMS CONTROL MODULE RETRACTOR RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) VEHICLE POWER SUPPLY CONTROL UNIT W/ ABC

1 2 CAN B L CAN B H 14 13 CAN-B L CAN-B H 15 14 CAN-B L CAN-B H 16 15 CAN-B L CAN-B H 2 4 CAN-B L CAN-B H 26 25 CAN-B L CAN-B H 3 4 CAN-B L CAN-B H 6 12 CAN-B L CAN-B H 7 9 CAN-B L CAN-B H 9 25 CAN-B L CAN-B H AAC (KLA) CONTROL UNIT BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CENTRAL GATEWAY CONTROL MODULE DS (FDS)) EIS (EZS) CONTROL UNIT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE INTERIOR CAN/COCKPIT VOLTAGE DISTRIBUTOR CONNECTOR KEYLESS GO CONTROL UNIT (IF EQUIPPED) LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT SEAT CONTROL MODULE LEFT INTERIOR CAN/FFS (RBA) VOLTAGE DISTRIBUTOR CONNECTOR LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR MULTICONTOUR BACKREST CONTROL MODULE PNEUMATIC PUMP FOR DYNAMIC SEAT CONTROL (W/ DYNAMIC SEAT REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REVERSE CAMERA CONTROL MODULE (IF EQUIPPED) RIGHT REAR MULTICONTOUR BACKREST CONTROL MODULE UPPER CONTROL PANEL CONTROL MODULE

1 2 3 CAN-A L CAN-A H 31 1 2 3 CAN-B L CAN-B H 31 1 2 CAN B L CAN B H 1 2 CAN-A L CAN-A H 1 3 CAN-B L CAN-B H 13 3 CAN-A L CAN-A H 15 14 CAN-B L CAN-B H 3 4 CAN-A L CAN-A H 3 6 CAN-A L CAN-A H 4 3 CAN B L CAN B H 4 8 CAN-A L CAN-A H 5 6 CAN-B L CAN-B H 7 9 CAN-B L CAN-B H BLK WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMAND CONTROL UNIT COMAND DISPLAY FRONT CENTRAL OPERATING UNIT GRN WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) PTS CONTROL MODULE (IF EQUIPPED) RCP (HBF) CONTROL MODULE REAR AC CONTROL MODULE (IF EQUIPPED) REAR SEATS CONTROL MODULE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT SEAT CONTROL MODULE RIGHT INTERIOR CAN/FFS (RBA) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) SPECIAL VEHICLE MULTIFUNCTION CONTROL MODULE (SVMCM (MSS)) (IF EQUIPPED) TELEMATICS CAN VOLTAGE DISTRIBUTOR CONNECTOR TLC (HDS) CONTROL MODULE (W/ REMOTE TRUNK LOCKING) TPM CONTROL MODULE (IF EQUIPPED) VOLTAGE DISTRIBUTOR CONNECTOR WSS CONTROL UNIT (WEIGHT SENSING SYSTEM) YEL WIRE