Mercedes-Benz S-class W221 (2005-2009) upper control panel control module Wiring diagrams

1 2 3 4 CAN-B L CAN-B H 31 30 12 13 CAN-F L CAN-F H 15 14 13 12 15 CAN-B L CAN-B H 6 12 CAN-B L CAN-B H 6 5 4 DATA 9 22 25 21 HD-AS ALARM SIREN W/ AUXILIARY BATTERY (AT LEFT FRONT WHEELHOUSE) ATA (EDW) FUNCTION INDICATOR BLK WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR INFRARED SENSOR ENGINE HOOD OPEN/ CLOSED SWITCH (ATA) (CENTER FRONT OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE FAN RELAY MODULE FUEL FILLER FLAP CL MOTOR FUSE 29 FUSE 80 GRN WIRE GRY WIRE GRY/BLU WIRE HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES RIGHT INSTRUMENT PANEL FUSE 79 FUSE BOX INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) NCA WIRE PNK WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE SPIEGEL TRUNK LID CONTACT SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID EXTERNAL OPERATION SWITCH UPPER CONTROL PANEL CONTROL MODULE WHT WIRE YEL WIRE YEL/WHT WIRE

1 2 CAN-C L CAN-C H COMPUTER DATA LINES SYSTEM 55 42 CAN-C L CAN-C H 6 12 4 1 CAN-B L CAN-B H 30 31 AUTOMATIC CHILD SEAT RECOGNITION AIRBAG OFF IND LAMP BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN-F H CAN-F L CAN-H H CAN-H L 31 COCKPIT SWITCH GROUP COMAND COMAND DISPLAY DISPLAY SWIVEL SWIVEL LEFT RIGHT SWITCH SWITCH COMAND DISPLAY DIMMER COMPUTER DATA LINES LINES SYSTEM COMPUTER DATA LINES SYSTEM DISTRONIC (DTR) CONTROL UNIT (UNDER PLATE IN RIGHT FRONT FOOTWELL) DTR RADAR SENSOR DTR WARNING LAMP IND ELECTRIC CONTROL UNIT ESP LEVEL OFF ADJUSTMENT SWITCH SWITCH EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM FREELY PROGRAMMABLE BUTTON FRONT CENTRAL OPERATING UNIT FRONT SAM CONTROL FUSE 40 MODULE WITH FUSE, RELAY MODULE FUSE 66 GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SYSTEM BUTTON HOT AT ALL TIMES INSTRUMENT CLUSTER ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) OUTPUT SPEED SENSOR PTS OFF SWITCH RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SIG SWITCH, CONTROLS ILLUMINATION/ NIGHT VISION ASSIST DISPLAY DIMMER UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

11 10 CAN-E L CAN-E H 12 13 CAN-F L CAN-F H 2 4 5 10 7 9 SW 6 SW 4 CAN G L CAN G H SW 3 SW 1 6 12 2 8 7 CAN-B L CAN-B H ANALOG CLOCK BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COCKPIT SWITCH GROUP COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH EXTERIOR LAMP SWITCH FRONT CENTRAL OPERATING UNIT GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SYSTEM BUTTON HEADLAMP FLASHER/ HIGH BEAM SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT TURN IND LEFT, RIGHT TURN SIGNAL SWITCH LOW BEAM SWITCH RED WIRE RED/WHT WIRE RIGHT TURN IND SOUNDER- STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE VIO/BRN WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

10 5 9 4 7 2 CAN-G H CAN-G L SW-1 SW-4 SW-3 SW-6 31 CAN-B L CAN-B H 7 5 10 8 55 R 9 10 11 30 CAN-E H CAN-E L 31 BI-XENON LAMP BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN-F L CAN-F H COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH EXTERIOR LAMP SWITCH FOG LAMP INDICATOR LAMP FRONT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 49 FUSE PREFUSE GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLAMP CONTROL MODULE (W/ XENON) HEADLAMP FLASHER/ HIGH BEAM SWITCH HEADLAMP RANGE ADJUSTMENT MOTOR HEADLAMP RANGE HIGH BEAM SOLENOID (W/ XENON) ADJUSTMENT MOTOR HIGH BEAM INDICATOR LAMP HIGH BEAM LAMP LOW BEAM LAMP HIGH BEAM SOLENOID (W/ XENON) HOT AT ALL TIMES HOT AT ALL TIMES 3 1 CAN E L CAN E H INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS LEFT FOG LAMP LEFT FRONT HEADLAMP UNIT LOW BEAM LAMP LOW BEAM SWITCH NIGHT VISION ASSIST BUTTON RED WIRE RIGHT FOG LAMP RIGHT FRONT HEADLAMP SPIEGEL R STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) SYSTEM UNIT HIGH BEAM LAMP UPPER CONTROL PANEL CONTROL MODULE VIO/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

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 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

AC RECIRCULATION UNIT AIR SUSPENSION COMPRESSOR RELAY BATTERY COUPLING RELAY BLK WIRE BRN WIRE CENTRAL GATEWAY CONTROL MODULE DATA LINK CONNECTOR ELECTRIC SUCTION FAN ENGINE, A/C W/ INTEGRATED RELAY MODULE EMERGENCY CALL SYSTEM CONTROL UNIT ESP CONTROL MODULE FROM FRONT PREFUSE (DIAGRAM 1 OF 4) FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 1 FUSE 10 FUSE 2 FUSE 3 FUSE 29 TO CHASSIS CIRCUIT 87 RELAY (DIAGRAM 3 OF 4) FUSE 3 FUSE 36 FAN WIPER PARK RELAY HEATER MODULE RELAY FUSE 38 FUSE 37 FUSE 39 TO CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) FUSE 4 FUSE 40 AIR ENGINE PUMP CIRCUIT 87 RELAY RELAY FUSE 5 FUSE 5 FUSE 8 FUSE 54 FUSE 6 FUSE 7 FUSE 8 FUSE 9 GENERATOR HEATED WINDSHIELD CONTROL MODULE INSTRUMENT CLUSTER ON-BOARD ELECTRICAL NETWORK LINE PYROFUSE ON-BOARD ELECTRICAL NETWORK LINE PYROFUSE TEMPERATURE SENSOR ON-BOARD ELECTRICAL SYSTEM BATTERY PNK/RED WIRE QUIESCENT CURRENT CUTOUT RELAY RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY (DIAGRAM 4 OF 4) STARTER STARTER BATTERY STARTER CIRCUIT 15 RELAY TO EIS (EZS) CONTROL UNIT (DIAGRAM 4 OF 4) TO FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 1 OF 4) TO FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 3 OF 4) TO LEFT INSTRUMENT PANEL FUSE BOX (DIAGRAM 3 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 2 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 3 OF 4) TO RIGHT INSTRUMENT PANEL FUSE BOX (DIAGRAM 2 OF 4) TO SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE HOLDER (DIAGRAM 2 OF 4) UPPER CONTROL PANEL CONTROL MODULE VEHICLE POWER SUPPLY CONTROL UNIT YEL/RED WIRE