Mercedes-Benz S-class W221 (2005-2009) red/blu Wiring diagrams

ABC CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ABC FRONT AXLE VALVE UNIT (LEFT SIDE OF ABC PRESSURE SENSOR (UNDER RIGHT FRONT OF VEHICLE) BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 46 GRY/BLK WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT ABC PRESSURE SENSOR LEFT FRONT BODY ACCELERATION SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT FRONT LEVEL SENSOR (AT LEFT FRONT WHEELWELL) LEFT FRONT SUSPENSION STRUT PLUNGER CHECK VALVE LEFT FRONT SUSPENSION STRUT PLUNGER VALVE NVLM SDVV SENSOR SENSOR 31 ABVRV ABVRM NVRS NVRS NVLV PFBHLM SDVS PFBHLV PFBHLS PFBVLM PFBVLS PFBHLS NVLS 31 PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BODY ACCELERATION SENSOR (RIGHT SIDE OF ENGINE COMPT) RIGHT FRONT LEVEL SENSOR (RIGHT FRONT WHEELWELL) RIGHT FRONT SUSPENSION STRUT PLUNGER CHECK VALVE RIGHT FRONT SUSPENSION STRUT PLUNGER VALVE SIG VAA L ABVLS VAA R VAA R VAV L VAV R VVAV L NVRM VAV R WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRN WIRE

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 LEFT REAR LEVEL SENSOR 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 RIGHT REAR ABC PRESSURE SENSOR RIGHT REAR BODY ACCELERATION SENSOR (RIGHT SIDE OF TRUNK) RIGHT REAR LEVEL SENSOR RIGHT REAR SUSPENSION STRUT PLUNGER CHECK VALVE RIGHT REAR SUSPENSION STRUT PLUNGER VALVE SIG WHT WIRE YEL/BLU 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 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

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE FRESH AIR SYSTEM BUZZER EMERGENCY WARNING BUZZER FRESH AIR SYSTEM DIAGNOSTIC INTERFACE CONNECTOR FRESH AIR SYSTEM EMERGENCY CONTROL UNIT FRESH AIR SYSTEM EMERGENCY PRESSURE FUSE GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/ORG WIRE GRY/PNK WIRE HOT AT ALL TIMES IRRITANT GAS SYSTEM SOLENOID VALVE IRRITANT GAS SYSTEM SOLENOID VALVE DOUBLE CONTACT RELAY LEFT EXHAUST AIR FLAP MOTOR LEFT EXHAUST AIR FLAP MOTOR POLARITY- LEFT EXHAUST AIR FLAP MOTOR POLARITY-REVERSING RELAY MEDIUM RESERVOIR SOLENOID VALVE OVERVOLTAGE PROTECTION DIODE OXYGEN CYLINDER PRESSURE SENSOR REAR FUSE BOX I RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE REVERSING RELAY RIGHT EXHAUST AIR FLAP MOTOR RIGHT EXHAUST AIR FLAP MOTOR POLARITY- RIGHT EXHAUST AIR FLAP MOTOR POLARITY-REVERSING RELAY VIO WIRE VIO/RED WIRE W/O MEDIUM RESERVOIR SOLENOID VALVE W/ MEDIUM RESERVOIR SOLENOID VALVE WHT/BLU WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 MLS+ GND MLS- AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM INSTRUMENT CLUSTER SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PNK WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C L CAN C H CAN E H CAN E L CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM DATA ELECTRONIC SUSPENSION SYSTEM ELECTRONIC SUSPENSION SYSTEM SHIFT INTERLOCK SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM REAR SAM CONTROL MODULE CIRCUIT ENGINE CONTROLS SYSTEM STARTING/CHARGING SYSTEM ENGINE CONTROLS SYSTEM TRANSMISSIONS SYSTEM FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 6 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES VEHICLE FUSE POWER SUPPLY CONTROL UNIT LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LIN BUS LIN-BUS LIN-BUS CAN-B H CAN-B L MEMORY SYSTEMS MLS+ H+ MLS- H+ PNK WIRE PNK/BLU WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL MODULE CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SEATS SYSTEM ELECTRONIC POWER STEERING SYSTEM SEATS SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM VIO WIRE VIO/WHT WIRE WHT WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEM YEL WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 57 R 1 2 3 4 5 6 7 8 9 10 CAN-E H 5 6 7 8 9 10 57 L AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM ELECTRONIC POWER STEERING SYSTEM AUSTEMP+ BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DATA ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE, FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM INSTRUMENT CLUSTER SYSTEM NAVIGATION SYSTEM PNK/BLU WIRE PNK/GRN WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY MODULE SIG GND GND GND AUSTEMP- SIG SIG SPIEGEL R SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WARNING SYSTEMS WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM ELECTRONIC SUSPENSION SYSTEM WIPER/WASHER SYSTEM INSTRUMENT CLUSTER SYSTEM WARNING SYSTEMS YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 30 31 CAN-A L CAN-A H 15 16 CAN-B H CAN-B L 41 54 CAN E H CAN E L 5 4 6 LIN-DATA LIN (-) LIN (+) AAC (KLA) CONTROL UNIT 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 ELECTRIC SUCTION FAN ENGINE, A/C W/ INTEGRATED CONTROL ENGINE CONTROLS SYSTEM FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 108 FUSE 4 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/ORG WIRE HEATED WINDSHIELD CONTROL MODULE (W/ SPECIAL PROTECTION) HOT AT ALL TIMES HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BOX FUSE 109 LEFT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR LEFT DUOVALVE LEFT REAR CENTER VENT FLAP 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 HEATER SUPPLY UNIT REAR BLOWER MOTOR (IN REAR OF CENTER CONSOLE) REAR EVAPORATOR TEMPERATURE SENSOR (REAR OF CENTER CONSOLE) REAR REFRIGERANT SHUT-OFF VALVE (AT LEFT FRONT WHEELHOUSE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR RIGHT DUOVALVE RIGHT REAR CENTER VENT FLAP ACTUATOR MOTOR RIGHT REAR HEATER EXCHANGER TEMPERATURE SENSOR VIO WIRE W/ REAR WINDOW DEFROSTER W/O REAR WINDOW DEFROSTER YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED 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)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 MLS+ GND MLS- AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM INSTRUMENT CLUSTER SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PNK WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C L CAN C H CAN E H CAN E L CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM DATA ELECTRONIC SUSPENSION SYSTEM ELECTRONIC SUSPENSION SYSTEM SHIFT INTERLOCK SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM REAR SAM CONTROL MODULE CIRCUIT ENGINE CONTROLS SYSTEM STARTING/CHARGING SYSTEM ENGINE CONTROLS SYSTEM TRANSMISSIONS SYSTEM FRONT PREFUSE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 6 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES VEHICLE FUSE POWER SUPPLY CONTROL UNIT LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LIN BUS LIN-BUS LIN-BUS CAN-B H CAN-B L MLS+ H+ MLS- H+ PNK WIRE PNK/BLU WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL MODULE CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SEATS SYSTEM ELECTRONIC POWER STEERING SYSTEM SEATS SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM VIO WIRE VIO/WHT WIRE WHT WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEM YEL WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE MIL INDICATOR CIRCUIT COMPUTER DATA LINES SYSTEM CRANKSHAFT HALL SENSOR EV 3 EV 5 EV 1 EV 8 EV 2 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 30 GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HOT AT ALL TIMES FRONT PREFUSE FUSE 6 HOT FILM MAF SENSOR (CENTER REAR OF ENGINE) INSTRUMENT CLUSTER LEFT INTAKE MANIFOLD TUMBLE FLAP POSITION SENSOR LEFT KNOCK SENSOR 2 (UNDER INTAKE MANIFOLD) ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) PNK/BLK WIRE PNK/BLU WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/WHT WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY RIGHT INTAKE MANIFOLD TUMBLE FLAP POSITION SENSOR RIGHT KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) SIG THROTTLE VALVE ACTUATOR (ON THROTTLE BODY ASSEMBLY) UPSTREAM TWC (KAT) (LEFT REAR OF ENGINE COMPT) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/PNK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE