Mercedes-Benz S-class W221 (2005-2009) brn/gry Wiring diagrams

4 2 3 1 CAN-B H CAN-B L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L COMAND CONTROL UNIT COMAND DISPLAY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM W/ MULTICONTOUR SEAT, DYNAMIC SEAT EARLY PRODUCTION GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE LATE PRODUCTION LEFT FRONT SEAT CONTROL MODULE LEFT REAR FOOTWELL LAMP LUMBAR PUMP (W/ LUMBAR SUPPORT) NCA WIRE ORG/ WIRE ORG/WHT WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SEATS SEATS SYSTEM SYSTEM SEATS SYSTEM W/ LUMBAR SUPPORT

ANT ANTENNA SPLITTER BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM CTEL ANTENNA (AT REAR CENTER OF ROOF) EC LED TDC LED IC LED ECS ICS ICS CRASH EMERGENCY CALL SYSTEM ANTENNA SPLITTER EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM LEFT BACKUP ANTENNA EMERGENCY CALL SYSTEM RIGHT BACKUP ANTENNA FREQUENCY SWITCHOVER CONTROL MODULE FUSE 138 W/ FUSE, RELAY MODULE GRN WIRE GRN/RED WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES VEHICLE POWER SUPPLY FUSE 10 CONTROL UNIT HOT W/ CIRCUIT LSP + CAN-D H CAN-D L MIC SHIELD MIC MUTE NCA WIRE ORG/ WIRE REAR SAM CONTROL MODULE RED WIRE SOUND SYSTEMS UHI PORTABLE CTEL HOLDER (UNIVERSAL HANDY INTERFACE) VIO WIRE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/PNK WIRE YEL/RED WIRE

1 2 3 4 CAN-B L CAN-B H 31 30 1 2 4 3 CAN-B L CAN-B H 30 31 57 L 57 R 9 7 CAN-B H CAN-B L BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM EARLY PRODUCTION EARLY PRODUCTION LATE PRODUCTION FRONT CIGAR LIGHTER FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRY/BLU WIRE GRY/YEL WIRE LATE PRODUCTION LEFT FRONT HEADLAMP UNIT LEFT FRONT SEAT CONTROL MODULE LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR DOOR ENTRANCE, EXIT LAMP LEFT REAR DOOR WARNING LAMP LEFT REAR FOOTWELL LAMP LEFT REAR INSIDE DOOR HANDLE ILLUMINATION NCA WIRE REAR CIGAR LIGHTER RED WIRE RED/WHT WIRE RIGHT FRONT HEADLAMP UNIT RIGHT FRONT SEAT CONTROL MODULE RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR ENTRANCE, EXIT LAMP RIGHT REAR DOOR WARNING LAMP RIGHT REAR FOOTWELL LAMP RIGHT REAR INSIDE DOOR HANDLE ILLUMINATION STANDING/ PARKING LAMP STOWAGE COMPARTMENT ILLUMINATION VIO/GRY WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 VL GND HL GND VR GND HR GND 31 30 BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN B H CAN B L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM GND ANT GND GND GND GND GND GND GND GND GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES RIGHT INSTRUMENT PANEL FUSE BOX FUSE 71 HR VR VL VL INTERIOR KEYLESS GO ANTENNA KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR LOCK UNIT LEFT FRONT KEYLESS GO SENSOR UNIT LEFT FRONT OPENING ASSIST MOTOR LEFT REAR DOOR KEYLESS GO ANTENNA (IN LEFT REAR DOORS) LEFT REAR DOOR LOCK UNIT LEFT REAR KEYLESS GO SENSOR UNIT LEFT REAR OPENING ASSIST MOTOR NCA WIRE ORG/ WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT FRONT DOOR LOCK UNIT RIGHT FRONT KEYLESS GO SENSOR UNIT RIGHT FRONT OPENING ASSIST MOTOR RIGHT REAR DOOR KEYLESS GO ANTENNA (IN RIGHT REAR DOORS) RIGHT REAR DOOR LOCK UNIT RIGHT REAR KEYLESS GO SENSOR UNIT RIGHT REAR OPENING ASSIST MOTOR TOP REAR WINDOW ANTENNA AMPLIFIER (CENTER REAR OF ROOF) TRUNK KEYLESS GO ANTENNA TRUNK LID KEYLESS-GO BUTTION VIO WIRE WHT/BRN WIRE YEL/BRN WIRE YEL/GRN WIRE

4 2 3 1 CAN-B H CAN-B L BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL LUMBAR CUSHION PIEZO VALVE CENTRAL LUMBAR CUSHION PRESSURE SENSOR COMPUTER DATA LINES SYSTEM GRN/BLU WIRE LEFT BACKREST LATERAL SUPPORT CUSHION PIEZO VALVE LEFT BACKREST LATERAL SUPPORT CUSHION PRESSURE SENSOR LOWER LUMBAR CUSHION PRESSURE SENSOR LOWER SHOULDER LUMBAR CUSHION CUSHION PRESSURE PIEZO SENSOR VALVE LUMBAR PUMP (W/ LUMBAR SUPPORT) NCA WIRE ORG/GRN WIRE ORG/WHT WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BACKREST LATERAL SUPPORT CUSHION PIEZO VALVE (W/ DYNAMIC SEAT) RIGHT BACKREST LATERAL SUPPORT CUSHION PRESSURE SENSOR (W/ DYNAMIC SEAT) RIGHT FRONT SEAT BACKREST CUSHION VALVE GROUP SHOULDER CUSHION PIEZO VALVE UPPER LUMBAR CUSHION PIEZO VALVE UPPER LUMBAR CUSHION PRESSURE SENSOR W/ LUMBAR SUPPORT W/ MULTICONTOUR SEAT, DYNAMIC SEAT WHT WIRE WHT/GRN WIRE YEL WIRE

1 2 CAN B L CAN B H 3 6 CAN-A L CAN-A H BLK WIRE BLK/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN-F H CAN-F L CENTRAL GATEWAY CONTROL MODULE COMPUTER DATA LINES SYSTEM EARLY PRODUCTION FLAT WIRE FLAT WIRE FLAT WIRE 1 2 3 UB 31 DATA FRONT CENTRAL OPERATING UNIT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE LATE PRODUCTION MEMORY 1, 2, 3 SWITCH 1 2 3 MEMORY STORE BUTTON SWITCH RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT SEAT CONTROL MODULE RIGHT FRONT SEAT OPERATION SWITCH GROUP RIGHT REAR FOOTWELL LAMP SEATS SYSTEM VIO/GRY WIRE YEL WIRE YEL/WHT WIRE

BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FUSE 102 FUSE 92 GK R GK L HOT AT ALL TIMES LEFT FRONT SEAT BELT COMFORT FEATURE SOLENOID (AT BASE OF LEFT "B" PILLAR) LEFT FRONT SEAT CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BOX LEFT REAR SEAT BELT COMFORT FEATURE SOLENOID NCA WIRE ORG/ WIRE REAR SAM CONTROL MODULE REAR SEATS CONTROL MODULE RED WIRE RED/WHT WIRE RIGHT FRONT SEAT BELT COMFORT FEATURE SOLENOID RIGHT FRONT SEAT CONTROL MODULE RIGHT REAR SEAT BELT COMFORT FEATURE SOLENOID WHT WIRE

ANT BASS MODULE LOUDSPEAKER BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAN B H CAN B L CC 1 2 3 4 5 COMPUTER DATA LINES SYSTEM FUSE 119 FUSE 131 FUSE 148 FZV GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES KEYLESS GO CONTROL UNIT (IF EQUIPPED) LATE PRODUCTION LEFT REAR DOOR GUARD SPEAKER (W/ SPECIAL PROTECTION) LEFT REAR SURROUND LOUDSPEAKER NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW ANTENNA AMPLIFIER MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REAR DOOR GUARD SPEAKER (W/ SPECIAL PROTECTION) TWEETER LEFT FRONT DOOR SPEAKER GROUP TWEETER RIGHT REAR DOOR SPEAKER GROUP VIO WIRE WHT WIRE WHT/GRN WIRE WOOFER

31 31 POWER BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN-B L CAN-B H DATA 30 CAN-F L CAN-F H CENTRAL TPM (RDK) WHEEL ANTENNA COMPUTER DATA LINES SYSTEM DATA POWER 31 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 25 HOT AT ALL TIMES HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BOX FUSE 96 INSTRUMENT CLUSTER LEFT FRONT TPM (RDK) WHEEL ANTENNA LEFT FRONT TPM (RDK) WHEEL SENSOR LEFT REAR TPM (RDK) WHEEL LIN LIN 31 PNK WIRE PNK/RED WIRE RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT TPM (RDK) WHEEL ANTENNA RIGHT FRONT TPM (RDK) WHEEL SENSOR RIGHT REAR TPM (RDK) WHEEL SENSOR TIRE PRESSURE MONITOR WARNING LAMP TPM CONTROL MODULE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 CAN B L CAN B H 1 2 CAN-B H CAN-B L 4 5 6 31 UB DATA BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER POWER WINDOW OUTSIDE MIRROR, TRUNK LID SWITCH FUEL FILLER FLAP CL MOTOR GEARING 2 GRY/BLU WIRE HD AS HOT AT ALL TIMES FUSE HOT AT ALL TIMES FUSE SUPPLY CONTROL UNIT LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LF POWER WINDOW SW LOCK PAWL NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RF POWER WINDOW SW RIGHT INSTRUMENT PANEL FUSE BOX ROTARY TUMBLER TRUNK LID (ZV) MOTOR TRUNK LID CONTACT SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID EXTERNAL OPERATION SWITCH TRUNK LID KEYLESS GO BUTTON (IF EQUIPPED) TRUNK OPEN/CLOSE SW VEHICLE POWER