Mercedes-Benz S-class W221 facelift (2009-2013) brn/gry Wiring diagrams

ABC CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ABC LATERAL ACCELERATION SENSOR (UNDER FRONT OF CENTER CONSOLE) ABC REAR AXLE VALVE UNIT (UNDER CENTER REAR OF VEHICLE) ABC SUCTION RESTRICTOR VALVE (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE HAV L QBMS HAV R ABHRS HAV L LEFT REAR ABC PRESSURE SENSOR (IN LEFT REAR WHEELWELL) LEFT REAR SUSPENSION STRUT PLUNGER CHECK VALVE LEFT REAR SUSPENSION STRUT PLUNGER VALVE NHLS NHLV NHRM NHRS NHRV PNK WIRE QBMV HAV R RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT ABC PRESSURE SENSOR (BEHIND RIGHT FRONT SIDE OF FRONT BUMPER) RIGHT REAR ABC PRESSURE SENSOR (IN RIGHT REAR WHEELWELL) RIGHT REAR BODY ACCELERATION SENSOR (RIGHT SIDE OF TRUNK) RIGHT REAR SUSPENSION STRUT PLUNGER CHECK VALVE RIGHT REAR SUSPENSION STRUT PLUNGER VALVE SIG WHT WIRE YEL/BLU WIRE

AIR SUSPENSION COMPRESSOR RELAY AIRMATIC COMPRESSOR UNIT AIRMATIC W/ ADS CONTROL MODULE (LEFT REAR OF ENGINE COMPT) BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY FUSE 46 FUSE 56 FUSE 6 FUSE 9 PREFUSE BOX (RIGHT REAR ENGINE COMPT) GRN/RED WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT AXLE DAMPING VALVE UNIT (LEFT FRONT WHEEL HOUSE) LEFT FRONT BODY ACCELERATION SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT FRONT LEVEL SENSOR (LEFT FRONT WHEELWELL) MODULE (LEFT REAR ENGINE COMPT) NCA WIRE NVRS 1 VKPS VAL 1 VAL 2 30 VALV+ RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT BODY ACCELERATION SENSOR (RIGHT SIDE OF ENGINE COMPT) SIG SIG SIG ZAVVL NVLV SIG ZAMVL NVRM (+) SIG VAR 2 NVLS 1 VAR 1 ZASVL 31 VARV VKPV WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PNK WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/PNK WIRE ZAMVL NVLM SIG ZASVL ZAVVL NVRV

AIRMATIC PRESSURE SENSOR AIRMATIC W/ ADS CONTROL MODULE (LEFT REAR OF ENGINE COMPT) BLK/RED WIRE BLK/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/GRY WIRE CAN E H CAN E L CENTRAL RESERVOIR CHARGE VALVE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAL 1 HAL 2 HAL V HAR 1 HAR 2 HAR V LEFT LEFT RIGHT REAR REAR FRONT FRONT LEFT REAR AXLE DAMPING VALVE UNIT (LEFT REAR WHEEL HOUSE) LEVELING CONTROL VALVES NCA WIRE NHRM NHRS 1 NHRV REAR AXLE LEVEL SENSOR (UNDER REAR CENTER OF VEHICLE) RIGHT RIGHT REAR AXLE DAMPING VALVE UNIT (RIGHT REAR WHEEL HOUSE) WHT/BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

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 42 55 26 CAN-C H CAN-C L 6 12 CAN-B L CAN-B H 6 5 4 DATA 9 22 25 21 HD-AS ALARM SIREN W/AUXILIARY BATTERY (LEFT FRONT WHEELHOUSE) ATA (EDW) FUNCTION INDICATOR BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN 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) FUEL FILLER FLAP MOTOR FUSE 29 FUSE 80 GRN WIRE GRY WIRE GRY/BLU WIRE HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HYBRID ENGINE HOOD CONTACT SWITCH (3.5L) INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT REAR FOOTWELL ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) NCA WIRE PNK WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) 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 VIO WIRE W/ HYBRID DERIVE WHT WIRE YEL WIRE YEL/WHT WIRE

41 54 COMPUTER CAN-E H CAN-E L DATA LINES SYSTEM A/C (KLA) 4-WAY SUN SENSOR A/C AIR RECIRCULATION UNIT BLOWER MOTOR AIR CONDITIONING CONNECTOR BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BLK/YEL WIRE BLOWER REGULATOR BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY (OR BLK/PNK) WIRE BRN/GRY WIRE BRN/PNK WIRE COOLANT TEMPERATURE SENSOR (5.5L: FRONT OF ENGINE) ENGINE CONTROLS SYSTEM GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HEATED WINDSHIELD CONTROL UNIT (W/ SPECIAL PROTECTION) LEFT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER LEFT FRONT SEAT) LEFT REAR CENTER AIR OUTLET ACTUATOR MOTOR ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) PNK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE REFRIGERANT COMPRESSOR RIGHT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER RIGHT FRONT SEAT) RIGHT REAR CENTER AIR OUTLET ACTUATOR MOTOR VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR VIO WIRE W/ REAR A/C W/O REAR A/C WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

1 2 CAN-C L CAN-C H COMPUTER DATA LINES SYSTEM 10 6 12 4 1 30 CAN-B L CAN-B H 30 31 55 42 CAN-C L CAN-C H AUTOMATIC CHILD SEAT RECOGNITION AIR BAG OFF IND LAMP BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN H H CAN H L CAN-F H CAN-F L COCKPIT SWITCH GROUP COMAND COMAND DISPLAY DISPLAY SWIVEL SWIVEL LEFT RIGHT SWITCH SWITCH COMAND DISPLAY DIMMER BRIGHTNESS CONTROL COMPUTER DATA LINES SYSTEM DTR CONTROL UNIT DTR RADAR SENSOR DTR WARNING LAMP IND ELECTRIC CONTROL UNIT (VGS) ESP LEVEL OFF ADJUSTMENT SWITCH SWITCH EXTERIOR LIGHTS, INSTRUMENT CLUSTER SYSTEM FREELY PROGRAMMABLE BUTTON FRONT CENTRAL OPERATING UNIT FUSE 66 GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SYSTEM BUTTON HOT W/ CHASIS CIRCUIT 87 RELAY ENERGIZED 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 UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM BLK/BRN WIRE BLK/PNK WIRE BRN WIRE BRN/GRY WIRE FUSE 4 GRY/GRN WIRE HEATED WINDSHIELD HEATED WINDSHIELD CONTROL MODULE HOT AT ALL TIMES INTERIOR PREFUSE BOX (RIGHT FRONT FOOTWELL) LEFT HEATED SIDE WINDOW LEFT REAR FOOTWELL LIN (-) LIN-DATA LIN (+) POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RIGHT HEATED SIDE WINDOW W/ SPECIAL PROTECTION

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 (CENTER DASH) BACKUP CAMERA CONTROL UNIT (IF EQUIPPED) BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT DS (FDS)) (LEFT FRONT OF TRUNK) 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 DYANAMIC SEAT CONTROL (W/ DYNAMIC SEAT REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RIGHT REAR MULTICONTOUR BACKREST CONTROL MODULE UPPER CONTROL PANEL CONTROL MODULE UPPER FOOTWELL)

1 2 3 4 30 31 CAN-A L CAN-A H 15 16 CAN-B H CAN-B L 23 16 24 LIN BUS LIN BUS 41 54 CAN E H CAN E L 5 4 6 LIN-DATA LIN (-) LIN (+) AAC (KLA) CONTROL UNIT (CENTER DASH) BLK WIRE BLK/BLU (OR BLK/PNK) WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP ENGINE ENGINE CONTROLS SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE 108 FUSE 23 FUSE 5 COMPARTMENT PREFUSE BOX (RIGHT REAR ENGINE COMPT) GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/ORG WIRE HEATED WINDSHIELD CONTROL UNIT (W/ SPECIAL PROTECTION) HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER LEFT FRONT SEAT) LEFT DUOVALVE LEFT REAR CENTER AIR OUTLET ACTUATOR MOTOR ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) PNK WIRE PNK/GRY WIRE REAR A/C CONTROL MODULE REAR A/C ELECTRONIC BLOWER REGULATOR (IN REAR OF CENTER CONSOLE) REAR AUXILIARY HEATING SYSTEM SUPPLY UNIT REAR BLOWER MOTOR (IN REAR OF CENTER CONSOLE) REAR EVAPORATOR TEMPERATURE SENSOR (REAR OF CENTER CONSOLE) REAR REFRIGERANT SHUT-OFF VALVE (LEFT FRONT WHEELHOUSE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER RIGHT FRONT SEAT) RIGHT DUOVALVE RIGHT REAR AIR CONDITIONING HEATER EXCHANGER TEMPERATURE SENSOR RIGHT REAR CENTER AIR OUTLET ACTUATOR MOTOR VIO WIRE W/ REAR WINDOW DEFROSTER W/O REAR WINDOW DEFROSTER YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 BSL R 3 BL ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM WARNING SYSTEMS BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/YEL WIRE CAN-B H CAN-B L 15 54 31 CRUISE CONTROL SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (3.5L) (LEFT REAR ENGINE COMPT) FUSE GK L GK R GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE HD AS HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE PREFUSE BOX (RIGHT FRONT FOOTWELL) HS + HS 1 HS 2 HS(+) INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, MIRRORS SYSTEMS KZL L LEFT REAR FOOTWELL MEMORY SYSTEMS NAVIGATION SYSTEM NSL R NSL L RFL L BI L RFL L BI R BSL L PASSIVE RESTRAINT SYSTEM PNK/RED WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM NAVIGATION, SOUND SYSTEMS POWER TOPS SYSTEM POWER WINDOWS SYSTEM REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS, MEMORY SYSTEMS SHIFT INTERLOCK SYSTEM ENGINE CONTROLS SYSTEM SIG SOUND SYSTEMS SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM DEFOGGER SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VOLUME CONTROL INTERMEDIATE CONNECTOR (W/ DVD) WHT WIRE