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

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 BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL GATEWAY CONTROL MODULE CENTRAL LUMBAR CUSHION PIEZO VALVE CENTRAL LUMBAR CUSHION PRESSURE SENSOR COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE LEFT BACKREST LATERAL SUPPORT CUSHION PIEZO VALVE LEFT BACKREST LATERAL SUPPORT CUSHION PRESSURE SENSOR LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT SEAT BACKREST CUSHION VALVE GROUP LEFT FRONT SEAT OPERATION SWITCH GROUP LOWER LUMBAR CUSHION PIEZO VALVE LOWER LUMBAR CUSHION PRESSURE SENSOR MEMORY 1, 2, 3 SWITCH MEMORY STORE BUTTON SWITCH NCA WIRE ORG/GRN WIRE ORG/WHT WIRE RED/WHT WIRE RIGHT BACKREST LATERAL SUPPORT CUSHION PIEZO VALVE (W/ DYNAMIC SEAT) RIGHT BACKREST LATERAL SUPPORT CUSHION PRESSURE SENSOR (W/ DYNAMIC SEAT) SHOULDER SHOULDER CUSHION CUSHION PRESSURE PIEZO SENSOR VALVE UPPER LUMBAR CUSHION PIEZO VALVE UPPER LUMBAR CUSHION PRESSURE SENSOR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/WHT 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

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

1 2 CAN B L CAN B H 15 1 17 18 25 31 30 CAN-E L CAN-E H GSS FA 15 14 GND SIG 15 16 CAN-B H CAN-B L 4 8 3 31 31 DFK AUDIBLE TURN SIGNAL IND BLU WIRE BRAKE FLUID INDICATOR SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE FLUID WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-F L CAN-F H COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DRIVER SEAT BELT BUCKLE, SEAT WARNING SWITCH FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES FRONT FUSE 6 PREFUSE HOT AT ALL TIMES FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE FUSE 25 INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT DOOR LOCK UNIT LIN BUS NCA WIRE PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RESTRAINT SYSTEMS CONTROL MODULE RIGHT FRONT BRAKE PAD CONTACT SENSOR ROTARY TUMBLER SWITCH SEAT BELT REMINDER LAMP WARNING BUZZER WHT WIRE YEL WIRE YEL/WHT 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 ELECTRIC PARKING BRAKE SWITCH FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 35 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE FUSE 130 RED/BLU WIRE RED/YEL WIRE SW 1 CAN G L 30 SW 4 CAN G L 87 SW 3 SW 6 VIO/BRN WIRE

1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE 1 2 CAN B L CAN B H 10 11 CAN-E H CAN-E L 14 5 13 11 12 9 3 1 7 H+ GND MLS- MLS+ H+ GND MLS- MLS+ 31 16 15 CAN-B L CAN-B H 3 2 1 DATA 31 UB BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FLAT WIRE FLAT WIRE FLAT WIRE FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT SEAT OPERATION SWITCH GROUP MEMORY 1, 2, 3 SWITCH MEMORY STORE BUTTON SWITCH RAISE/LOWER, FORWARD/ BACKWARD SWITCH RED WIRE RED/WHT WIRE RED/YEL WIRE STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN FORWARD/BACKWARD MOTOR STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) STEERING COLUMN RAISE/LOWER MOTOR

BLK WIRE BLU WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/YEL WIRE CLOCK- SPRING DRIVER AIRBAG SQUIB 1 DRIVER AIRBAG SQUIB 2 DRIVER ASSIST AIRBAG SYSTEM DRIVER DOOR PRESSURE SENSOR DRIVER NECK-PRO HEAD RESTRAINT SOLENOID DRIVER SEAT BELT BUCKLE AND SEAT BELT WARNING SWITCH DRIVER'S SIDE FRONTAL ACCELERATION SENSOR EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) FRONT PASSENGER ASSIST AIRBAG SYSTEM FRONT PASSENGER DOOR PRESSURE SENSOR FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID GRN WIRE GRN/VIO WIRE GRN/YEL WIRE LEFT REAR DOOR PRESSURE SENSOR PASSENGER SEAT BELT BUCKLE AND SEAT BELT WARNING SWITCH PASSENGER'S SIDE FRONTAL ACCELERATION SENSOR PNK WIRE RESTRAINT SYSTEMS CONTROL MODULE RIGHT REAR DOOR PRESSURE SENSOR STEERING COLUMN MODULE VIO WIRE VIO/GRN WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 CAN-C H CAN-C L NC 87 31 NC 1 2 3 4 5 CAN C L CAN C H DIAG K 30 31 BLU WIRE BLU/WHT WIRE BRAKE CTRL BRAKE CTRL SOL VLV BRN WIRE BRN/YEL WIRE CAN B L CAN B H CLUTCH CLUTCH CTRL CTRL SOL VLV SOL VLV COMPUTER DATA LINES SYSTEM ELECTRIC CONTROL UNIT FRONT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL UNIT HOT AT ALL TIMES FUSE 6 PREFUSE HOT AT ALL TIMES FUSE 83 INTELLIGENT SERVO MODULE INTERNAL SPEED SENSOR (VGS) OUTPUT SPEED SENSOR (VGS) RED WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BOX SELECTION RANGE SENSOR SOL VLV TORQUE CONVERTER LOCKUP CLUTCH CTRL SOL VLV TRANSMISSION OIL TEMP SENSOR TURBINE SPEED SENSOR (VGS) WORKING CLUTCH CTRL PRESS CTRL SOL VLV SOL VLV YEL/RED 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