Mercedes-Benz S-class W220 facelift (2002-2005) red Wiring diagrams

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE BOOSTER (BAS) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/YEL WIRE ESP BRAKE PRESSURE SENSOR (BEHIND LEFT HEADLAMP) ESP/SPS/BAS CONTROL MODULE (LEFT REAR OF ENG COMPT) FRONT AXLE SWITCHOVER FRONT AXLE VACUUM FUSE 1 FUSE 2 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/PNK WIRE GRY/VIO WIRE HIGH PRESSURE, RETURN PUMP HIGH PRESSURE/ RETURN PUMP RELAY HOT AT ALL TIMES LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT HOLD LEFT FRONT RELEASE LEFT FRONT VSS SENSOR (LEFT FRONT WHEELHOUSE) LEFT REAR HOLD LEFT REAR RELEASE NCA WIRE REAR AXLE SWITCHOVER REAR AXLE VACUUM RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELEASE SWITCH RIGHT FRONT HOLD RIGHT FRONT RELEASE RIGHT FRONT VSS SENSOR (RIGHT FRONT WHEELHOUSE) RIGHT REAR HOLD RIGHT REAR RELEASE SOLENOID VALVE SPS SOLENOID VALVE (ON POWER STEERING PUMP) TERMINAL BLOCK, FUSE BOX TRACTION SYSTEM HYDRAULIC UNIT TRAVEL SENSOR WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/PNK WIRE YEL/VIO WIRE YEL/WHT WIRE

1 11 8 5 20 19 15 CAN-B L CAN-B H EDW LF DOOR RF DOOR LR DOOR RR DOOR 1 11 CAN-B H CAN-B L 1 2 1 CAN-B L CAN-B H 1 2 2 CAN-B L CAN-B H 1 2 CAN B L CAN B H 3 4 1 CAN-B L CAN-B H 3 4 2 CAN-B H CAN-B L 3 4 7 8 CAN-B L CAN-B H CAN-B H CAN-B L 6 7 3 4 CAN-B L CAN-B H EDW ALARM SIREN (W/ AUXILIARY BATTERY) (REAR OF LEFT FRONT WHEELWELL) ANTI- TOW RELAY ANTI-TOW ATA (EDW) INCLINATION SENSOR (BENEATH RIGHT REAR SEAT) ATA HOOD SWITCH (FRONT CENTER OF ENG COMPT) BLK WIRE BLK/RED WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR CORNER OF ENGINE COMPT) FUSE 2 FUSE 51 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/VIO WIRE HOOD HOT AT ALL TIMES LEFT FOOTWELL) LEFT FRONT DOOR CONTROL MODULE (IN DOOR) LEFT FRONT DOOR SWITCH LEFT FRONT IR RECEIVER (IN HANDLE) LEFT FRONT SAM CONTROL MODULE (IN LEFT FRONT FUSE/RELAY BOX) LEFT REAR DOOR SWITCH OVERHEAD CONTROL PANEL CONTROL MODULE (ABOVE CENTER REARVIEW MIRROR) REAR FUSE/ RELAY MODULE (UNDER RIGHT REAR SEAT) REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE (IN DOOR) RIGHT FRONT DOOR SWITCH RIGHT FRONT IR RECEIVER (IN HANDLE) RIGHT FRONT SAM CONTROL MODULE (IN RIGHT FRONT FUSE/RELAY BOX) RIGHT REAR DOOR SWITCH TERMINAL BLOCK, FUSE BOX TRNK TRUNK LID MICRO SWITCH TS/IMS/ATA FUNCTION INDICATOR SWITCH ULTRASONIC ECHOLOT SENSOR UPPER CONTROL FIELD CONTROL MODULE (TOP CENTER OF DASH) VIO WIRE WHT WIRE WHT/GRN WIRE WHT/PNK WIRE

1 2 2 6 7 4 CAN-B L CAN-B H 2 13 3 REFRIG TEMP SENS SIG REFRIG TEMP SENS GND A/C SYSTEM BLOWER UNIT AAC MULTIFUNCTION SENSOR (RIGHT REAR OF ENG COMPT) AAC PUSHBUTTON CONTROL MODULE (FRONT CENTER CONSOLE) AAC SUN SENSOR BLK WIRE BLK/BLU WIRE BLK/PNK WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B L CAN B H COCKPIT FUSE BOX (2004-5) (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENG COMPT) ENGINE/CLIMATE CONTROL ELECTRIC COOLING FAN (FRONT CENTER OF ENGINE) EVAPORATOR TEMPERATURE SENSOR FUSE 23 FUSE 82 FUSE 33 FUSE 47 FUSE 68 GRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL/VIO WIRE HEATER SUPPLY UNIT HOT AT ALL TIME HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE/ RELAY MODULE (UNDER RIGHT REAR SEAT) FUSE 69 HOT IN ON OR START LEFT DUOVALVE LEFT FRONT FUSE/RELAY MODULE (2003) (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE (IN FUSE/RELAY BOX, LEFT SIDE) LEFT REAR HEATER CORE TEMPERATURE SENSOR (W/REAR A/C) NCA WIRE REAR A/C ELECTRONIC BLOWER REGULATOR (W/REAR A/C) REAR BLOWER MOTOR (W/REAR A/C) REAR EVAPORATOR TEMPERATURE SENSOR (W/REAR A/C) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DUOVALVE RIGHT FRONT SAM CONTROL MODULE (IN FUSE RELAY BOX, RIGHT SIDE) RIGHT FUSE/ FRONT RELAY MODULE (LEFT REAR OF ENGINE COMPT) RIGHT HEATER CORE TEMPERATURE SENSOR RIGHT REAR HEATER CORE TEMPERATURE SENSOR (W/REAR A/C) SOLID STATE TERMINAL BLOCK, FUSE BLOCK (CIRCUIT 30, 61) FUSE 3 VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

ACTIVE CHARCOAL FILTER FLAP ADJUSTMENT MOTOR AIR DISTRIBUTION (UP/DOWN) ACTUATOR MOTOR (W/REAR A/C) (BEHIND CENTER OF DASH) BLK WIRE BLK/BRN/VIO WIRE BLK/PNK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN-BL CAN-BH COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP ELECTRONIC CENTER AIR OUTLET CONTROL MODULE (CENTER OF DASH) ELECTRONIC STEPPER MOTOR CONTROL MODULE (IN CENTER CONSOLE) FRESH AIR/ RECIRCULATED AIR ACTUATOR MOTOR GRN WIRE GRY WIRE GRY/BLU WIRE LEFT AIR OUTLET ILLUM- INATION LEFT CENTER VENT DIVERTER FLAP ACTUATOR MOTOR LEFT CENTER VENT TEMPERATURE CONTROL ACTUATOR MOTOR LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR LEFT DUOVALVE LEFT FOOTWELL FLAP ACTUATOR MOTOR NCA WIRE PNK WIRE REAR A/C CONTROL MODULE (W/REAR A/C) (FRONT CENTER CONSOLE) REAR AUXILIARY HEATER SUPPLY UNIT (W/REAR A/C) REAR REFRIGERANT SHUT-OFF VALVE (W/REAR A/C) (AT LEFT FRONT WHEELHOUSE) RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT AIR OUTLET ILLUM- INATION RIGHT CENTER VENT DIVERTER FLAP ACTUATOR MOTOR RIGHT CENTER VENT TEMPERATURE CONTROL ACTUATOR MOTOR RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR RIGHT DUOVALVE RIGHT FOOTWELL FLAP ACTUATOR MOTOR SOLID STATE VIO WIRE WHT WIRE YEL WIRE

1 11 CAN H CAN L 5 9 COOL TMP SENS - BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENG COMPT) ENGINE/CLIMATE CONTROL ELECTRIC COOLING FAN (FRONT CENTER OF ENGINE) FAN FUSE 30 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIME TERMINAL BLOCK, FUSE BLOCK (CIRCUIT 30, 61) FUSE 3 HOT W/ ENGINE ELECTRONIC/ CHASSIS RELAY RED WIRE RED/GRN WIRE RIGHT FRONT FUSE/ RELAY MODULE (RIGHT REAR OF ENGINE COMPT) YEL/BLU WIRE

10 9 3 2 7 6 CAN H CAN L CAN H CAN L 30 31 19 20 21 22 P- 3 6 M+ M- ACCEL/SET ACCELERATOR PEDAL SENSOR (ABOVE PEDAL ASSEMBLY) BLK WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN H CAN L P- SIG SIG P- P+ COCKPIT FUSE BOX (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CTRL CONTACT DECEL/SET ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) FUSE 78 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES MEMORY RECALL NCA WIRE OFF RED WIRE STEERING COLUMN MODULE (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (REAR TOP CENTER OF ENGINE) VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 1 GND DATA- 1 2 3 4 5 6 7 8 2 CAN H DIAG 11 1 CAN-C L CAN-C H 87 CAN L BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA DISTRONIC (DTR) CONTROL MODULE (RIGHT FRONT FOOTWELL, UNDER STEP PLATE) DTR RADAR SENSOR (FRONT CENTER OF ENG COMPT) ENGINE CONTROL MODULE (ME-SFI) FUSE 36 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES NCA WIRE RED WIRE RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) SHLD VF+ WHT WIRE YEL WIRE

87 VKPS VAL 1 VAL 2 30 VALV AIR COMPRESSOR RELAY AIR-MATIC W/ ADS CONTROL MODULE (IN LEFT FRONT FUSE/RELAY BOX) AVRV NVRV NV AVRM NVLM SPS BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN HI CAN LO CENTRAL RESERVOIR CHARGING VALVE COMPUTER DATA LINES SYSTEM DATALINK CONNECTOR (AT UPPER LEFT FOOTWELL) DIAG FUSE 3 FUSE 32 FUSE 9 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAR 1 HAR 2 HAR V AHRM HAL 2 AHRS HAL 1 AHRV HAL V HOT AT ALL TIMES LEFT LEFT FRONT AXLE DAMPER VALVE ASSEMBLY (AT LEFT FRONT WHEELHOUSE) LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT REAR AXLE DAMPER VALVE UNIT (LEFT REAR WHEELHOUSE) LEVELING VALVES NCA WIRE NHRM NHRS 1 NHRS 2 NHRV NSP NHR AVLV NVLV NVL AVLM NVRM SPV NVR NVLS 2 NHL NVRS 2 VAR 2 NVLS 1 RKPS NVRS 1 REAR AXLE LEVEL SENSOR (UPPER REAR CENTER OF VEHICLE) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT RIGHT FRONT AXLE DAMPER VALVE ASSEMBLY (AT RIGHT FRONT WHEELHOUSE) RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT LEVEL SENSOR (RIGHT FRONT WHEEL HOUSE) RIGHT REAR BODY LATERAL ACCELERATION SENSOR (RIGHT SIDE OF TRUNK) RIGHT REAR RIGHT FRONT LEFT FRONT LEFT REAR RKPV AVRS SAMF SPM TERMINAL BLOCK, FUSE BLOCK UNIT) VAR 1 AVLS 31 VARV VKPV WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

AIR CONDITIONING SYSTEM BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM ELECTRONIC POWER STEERING SYSTEM EXTERIOR LIGHTS SYSTEM ELECTRONIC SUSPENSION SYSTEM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE NCA WIRE OUTSIDE TEMPERATURE INDICATOR SENSOR RED WIRE RELAY STEERING COLUMN HEIGHT ADJUSTMENT RELAY 1 STEERING COLUMN HEIGHT ADJUSTMENT RELAY 2 STEERING COLUMN LONGITUDINAL ADJUSTMENT RELAY 1 STEERING COLUMN LONGITUDINAL ADJUSTMENT RELAY 2 WHT WIRE WINDSHIELD PARK HEATER RELAY WIPER ON/OFF RELAY WIPER STAGE 1-2 RELAY WIPER/WASHER SYSTEM YEL WIRE

ACCELERATOR PEDAL SENSOR (ABOVE PEDAL ASSEMBLY) ACTIVATED CHARCOAL FILTER SHUTOFF VALVE APS VLV VIMS VLV BLK/BRN WIRE BLU WIRE BLU/GRY WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DATA LINK CONNECTOR (UPPER LEFT FOOTWELL) DIAG EGR ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) FTP - CAN L FTP SIG P- P+ FUEL INJECTORS FUEL PUMP ACF VLV AIR PUMP FAN FUEL TANK PRESSURE SENSOR (CENTER FRONT OF TRUNK) FUSE 1 FUSE 3 GEN GENERATOR GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INJ 2 INJ 4 INJ 8 INJ 3 INJ 6 INJ 7 NCA WIRE P- SIG SIG RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SHIFTING INDUCTION PIPE SWITCHOVER VALVE TERMINAL BLOCK, FUSE BOX (CIRCUIT TERMINAL BLOCK, FUSE BOX (CIRCUIT 30, 61) (RIGHT SIDE OF TRUNK) TNA VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/GRN WIRE