Mercedes-Benz S-class W220 (1998-2005) yel Wiring diagrams

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

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 1 1 11 3 CAN-B L CAN-B H 1 2 2 6 7 4 3 14 3 CAN-B L CAN-B H 3 4 1 CAN-C H CAN-C L 3 4 7 8 CAN-B L CAN-B H CAN-C H CAN-C L AAC PUSHBUTTON CONTROL MODULE (FRONT CENTER CONSOLE) BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION- STARTER SWITCH (EIS) CONTROL MODULE ESP/SPS/BAS CONTROL MODULE FUSE 53 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INTERIOR AIR TEMPERATURE SENSOR LEFT "C" PILLAR) LEFT FRONT SAM CONTROL MODULE (IN LEFT FUSE BOX) LEFT FRONT VSS (LEFT FRONT WHEEL- HOUSE) NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (ABOVE CENTER REARVIEW MIRROR) REAR FUSE/ RELAY MODULE (UNDER RIGHT REAR SEAT) REAR WINDOW DEFROST ELEMENT REAR WINDOW DEFROSTER RELAY REAR WINDOW DEFROSTER SWITCH CAN-B L CAN-B H 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

1 2 1 CAN-B L CAN-B H 1 2 2 6 7 8 27 28 12 9 25 2 15 17 29 13 14 31 32 4 6 1 3 CAN-B L CAN-B H 1 2 2 CAN-B L CAN-B H 10 3 CHMSL 12 1 3 LF MARKER LF PARK 12 13 14 15 16 L/R TURN FLASH/HIGH BEAM LOW BEAM WASH WIPE 15 11 1 BLS BS 17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H COMPUTER DATA LINES SYSTEM 3 1 LF TURN 3 10 9 2 CAN-B H CAN-B H CAN-B L CAN-B L 4 1 9 3 2 10 7 5 14 12 8 6 13 11 31 NSL NS RK 30 30 6 1 LF TURN 8 4 2 R LICENSE L LICENSE AUXILIARY TAIL LAMP LEFT LICENSE PLATE LAMP BLK WIRE BLK/BLU/WHT WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B L CAN B H CAN-B L CAN-B H 31 NSL NS RK 30 30 CENTER HIGH MOUNTED STOP LAMP COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EXTERIOR LAMP SWITCH FOG LAMP AUXILIARY TAIL LAMP STOP LAMP FUSE 16 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SWITCH HOT IN RUN, ACC OR START INSTRUMENT CLUSTER LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE (IN LEFT FRONT FUSE/RELAY BOX) LEFT HEADLAMP UNIT LEFT SIDE MARKER LAMP LEFT TAILLAMP UNIT LEFT TURN IND LF MARKER LF PARK PNK 1 WIRE REAR SAM CONTROL MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLK WIRE RIGHT FRONT SAM CONTROL MODULE (IN RIGHT FUSE/ RELAY BOX) RIGHT HEADLAMP UNIT RIGHT LICENSE PLATE LAMP RIGHT SIDE MARKER LAMP RIGHT TAILLAMP UNIT RIGHT TURN IND SOUNDER- SRA PR PL FL SRA PR PL FL PL FL STANDING/ PARKING LAMP STARTING SYSTEM STEERING COLUMN MODULE (LEFT SIDE OF DASH) STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL) TAIL/ PARK LAMP BACK- UP LAMP STOP LAMP TURN LAMP TURN SIGNAL LAMP TURN SIGNAL LAMP TAIL/ PARK LAMP BACK- UP LAMP UPPER CONTROL FIELD CONTROL MODULE (TOP CENTER OF DASH) VIO WIRE WHT WIRE YEL 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

AIR CONDITIONING SYSTEM BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM ENGINE COOLANT LEVEL SWITCH ENGINE ELECTRONIC/ CHASSIS RELAY FANFARE RELAY GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE NCA WIRE PNK/RED WIRE RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE STARTING/CHARGING SYSTEM WHT WIRE WIPER/WASHER FLUID LEVEL SWITCH WIPER/WASHER SYSTEM YEL WIRE

AIR PUMP (TOP FRONT SIDE OF ENGINE) AIR PUMP RELAY BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COOLING FANS SYSTEM ENGINE ELECTRONICS/ CHASSIS RELAY FUEL PUMP RELAY FUSE 29 FUSE 30 FUSE 31 FUSE 49 FUSE 52 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE PURGE CONTROL VALVE (LEFT REAR OF ENGINE COMPT) REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FUSE/ RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE THROTTLE VALVE ACTUATOR (REAR TOP CENTER OF ENGINE) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CKP INJ 1 INJ 5 COCKPIT FUSE BOX (RIGHT SIDE OF DASH) FUSE 78 CYLINDER IGNITION COILS ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES MAF SENS - PRESS SIG MAF SIG MAF - CKP OIL SENS R KS - L KS SIG CLEAR PNK WIRE PNK/BLK WIRE PURGE RADIO INTERFERENCE SUPPRESSION CAPACITORS (TOP OF ENGINE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE TO SPARK PLUGS VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE