Mercedes-Benz S-class W221 (2005-2009) overhead control panel control module (center front of roof) Wiring diagrams

1 2 4 3 CAN-B L CAN-B H 30 31 1 2 SAFETY LIMIT SWITCH 1 2 SIG (-) 1 3 CAN-B L CAN-B H 4 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 15 31 15 31 4 5 MOTOR MOTOR 4 5 SVS-MOT SVS-MOT 9 10 1 2 4 3 TZS-MOT TZS-MOT ZV-MOT ZV-MOT 31 DFK BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CL (ZV) MOTOR COMPUTER DATA LINES SYSTEM DOOR ADDITIONAL LOCK MOTOR DOOR CONTACT ON, OFF SWITCH DRIVE LOCK PAWL SWITCH FLAT WIRE FLAT WIRE FLAT WIRE 7 8 FLAT WIRE FLAT WIRE 8 7 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 3 4 2 1 31 58 58 31 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE KEYLESS GO SYSTEM CIRCUIT OPENING ASSIST MOTOR ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) PNK/BLU WIRE PNK/VIO WIRE POWER CLOSING MOTOR POWER CLOSING MOTOR 4 1 RED WIRE RED/GRN WIRE RED/GRY WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION RIGHT FRONT DOOR LOCK UNIT RIGHT FRONT DOOR WARNING LAMP RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR ENTRANCE, EXIT LAMP RIGHT REAR DOOR LOCK UNIT RIGHT REAR DOOR WARNING LAMP RIGHT REAR INSIDE DOOR HANDLE ILLUMINATION ROTARY TUMBLER SWITCH SAFETY LIMIT SWITCH W/ CHILD SAFETY DOOR LOCKS W/ ADDITIONAL DOOR LOCKS W/ POWER CLOSING WHT/VIO WIRE ZV-MOT ZV-MOT 31 DFK

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

1 2 3 4 AIS SER 12 6 CAN-B H CAN-B L 14 13 CAN-B L CAN-B H 31 LL HR 31 9 3 FRB-VR FRB-VL BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM DATA EXTERIOR LAMP SWITCH FOG LAMP IND LAMP FUSE 129 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE SUPPLY CONTROL UNIT ILLUMINATION INTERIOR REARVIEW MIRROR UNIT LAMP LEFT FRONT FOOTWELL LAMP LEFT READING LAMP LEFT REAR DOME LAMP LEFT REAR VANITY MIRROR ILLUMINATION LEFT TRUNK LAMP LEFT TRUNK LID AMBIENT, WARNING LAMP LL HL NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) RAIN/LIGHT SENSOR REAR FOG LAMP IND REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT AMBIENT READING LAMP LAMP RIGHT FRONT FOOTWELL LAMP RIGHT FRONT VANITY MIRROR ILLUMINATION RIGHT FRONT VANITY MIRROR ILLUMINATION SWITCH RIGHT REAR DOME LAMP RIGHT REAR VANITY MIRROR RIGHT TRUNK LAMP RIGHT TRUNK LID AMBIENT, WARNING LAMP UPPER CONTROL PANEL CONTROL MODULE VEHICLE POWER YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 (W/ FRONT ROLLER SUN BLIND) (W/ FRONT ROLLER SUN BLIND) 31 30 1 2 3 4 5 6 7 8 9 10 11 12 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 1 2 3 4 5 6 7 8 ALS SER 1 2 3 4 5 6 7 8 MOTOR + MOTOR - HS 1 HS 2 HS UB 31 1 2 3 4 5 6 7 8 MOTOR + MOTOR - HS 2 HS UB HS 1 31 1 2 3 4 5 CAN-B L 31 LL HR 31 DATA 30 31 AMBIENT LAMP AUTOMATIC DIMMING MIRROR BACK AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR SENSOR BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN-B H 31 30 COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH ELECTRIC PARKING BRAKE SWITCH EMERGENCY CALL SYSTEM CONTROL UNIT FLAT WIRE FLAT WIRE FLAT WIRE 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FORWARD AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR SENSOR FRONT DOME LAMP FRONT DOME LAMP SWITCH FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 126 FUSE 129 W/ FUSE, RELAY MODULE GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER PUSHBUTTON 1 GARAGE DOOR OPENER PUSHBUTTON 2 GARAGE DOOR OPENER PUSHBUTTON 3 GARAGE DOOR OPENER TRANSMITTER UNIT GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT LEFT FRONT READING LAMP SWITCH LEFT READING LAMP LL HR MB-INFO, TELEDIAGNOSIS BUTTON GROUP NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) POWER TOPS SYSTEM RAIN/LIGHT SENSOR REAR DOME LAMP, SWITCH REAR ROLLER SUN BLIND SWITCH REAR SAM CONTROL MODULE RED WIRE RIGHT FRONT READING LAMP SWITCH RIGHT READING LAMP ROOF SWITCH SOS PUSHBUTTON SWITCH VIO WIRE YEL WIRE YEL/GRN WIRE YEL/PNK WIRE

1 2 3 4 7 AIS SER 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE 5 4 3 1 30 31 CAN-B H CAN-B L 6 7 8 FLAT WIRE FLAT WIRE FLAT WIRE 31 DATA 30 AMBIENT LIGHT BACK FORWARD AUTOMATIC AUTOMATIC DIMMING DIMMING SENSOR SENSOR BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 126 GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER PUSHBUTTON 1 GARAGE DOOR OPENER PUSHBUTTON 2 GARAGE DOOR OPENER PUSHBUTTON 3 GARAGE DOOR OPENER TRANSMITTER UNIT GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT LEFT AUTOMATIC READING DIMMING LAMP MIRROR OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) RAIN/LIGHT SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT READING LAMP YEL WIRE

1 2 6 3 4 5 MOTOR + MOTOR - 31 1 2 6 3 5 4 MOTOR + MOTOR - 31 BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B-L CAN-B H 31 COMPUTER DATA LINES SYSTEM FRONT ROLLER SUN BLIND MOTOR (IF EQUIPPED) FUSE 126 GRN WIRE HOT AT ALL TIMES HS-UB OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) REAR ROLLER SUN BLIND MOTOR (W/ FRONT ROLLER SUN BLIND) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE ROOF DRIVE SYSTEM (W/ FRONT ROLLER SUN BLIND) ROOF SWITCH VIO WIRE YEL WIRE

1 2 CAN B L CAN B H 13 12 CAN-B L CAN-B H 16 15 CAN-B L CAN-B H 26 25 CAN-B L CAN-B H 3 1 CAN-B H CAN-B L 3 4 CAN-B L CAN-B H AAC CONTROL UNIT BLK WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ELECTROLYTIC CAPACITOR (REAR WINDOW NOISE SUPPRESSOR) ELECTRONIC IGNITION- STARTER SWITCH (EIS) CONTROL MODULE ESP/SPS/BAS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 115 GRN WIRE GRN/WHT WIRE HEATED REAR WINDOW HOT AT ALL TIMES VEHICLE POWER FUSE 4 SUPPLY CONTROL UNIT LEFT ELECTRICALLY ADJUSTABLE, HEATED EXTERIOR MIRROR LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) MIRROR HEATER NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW DEFROSTER RELAY REAR WINDOW DEFROSTER SWITCH 26 25 CAN-B L CAN-B H RED WIRE RED/BLU WIRE RIGHT ELECTRICALLY ADJUSTABLE, HEATED EXTERIOR MIRROR RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR)

10 11 8 CAN-E H CAN-E L 31 5 4 1 3 30 31 CAN-B L CAN-B H 6 7 8 FLAT WIRE FLAT WIRE FLAT WIRE 31 DATA 30 BLK WIRE BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CIRCUIT COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FLAT WIRE FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 126 FUSE 41 FUSE 42 FUSE 49 FUSE 57 FUSE 6 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ BATTERY COUPLING RELAY ENERGIZED INSTRUMENT CLUSTER MASTER WIPER MOTOR MULTIFUNCTION DISPLAY 12 13 CAN-F L CAN-F H OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) RAIN/LIGHT SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SIG SLAVE WIPER MOTOR STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) WASHER NOZZLE HOSE HEATER WINDSHIELD WASHER FLUID LEVEL INDICATOR SWITCH (RIGHT FRONT OF ENGINE COMPT) WINDSHIELD WASHER FLUID PUMP (RIGHT FRONT OF ENGINE COMPT) WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH WIPER PARK HEATER WIPER PARK HEATER RELAY YEL WIRE YEL/VIO WIRE YEL/WHT WIRE