Mercedes-Benz S-class W220 (1998-2005) left front fuse/relay module (left rear of engine compt) 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

ABS MIL INDICATOR BLK WIRE BLK/BLU WIRE BLK/BLU/WHT WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN/YEL WIRE COCKPIT FUSE BOX (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ESP WARNING INDICATOR ESP/SPS/BAS CONTROL MODULE (LEFT REAR OF ENG COMPT) FUSE 16 FUSE 34 FUSE 79 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/ GRN WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT REAR VSS (LEFT REAR WHEELHOUSE) NCA WIRE REAR SAM CONTROL MODULE (UNDER RIGHT REAR SEAT) RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT REAR VSS (RIGHT REAR WHEELHOUSE) STOPLIGHT SWITCH (ON TOP OF BRAKE PEDAL) TELE AID CONTROL MODULE (IF EQUIPPED) TURN RATE, LATERAL ACCELERATION SENSOR (UNDER LEFT REAR SEAT) WHT WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/RED 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

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

8 7 1 3 2 4 PNK WIRE AUTOMATIC DIMMING MIRROR BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ELECTRICALLY ADJUSTABLE, HEATED DRIVER-SIDE OUTSIDE REARVIEW MIRROR ELECTRICALLY ADJUSTABLE, HEATED RIGHT OUTSIDE REARVIEW MIRROR FOLDING MIRROR MOTOR FUSE 13 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FOOTWELL) LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) MIRROR ADJUSTMENT MOTOR (IN/OUT) MIRROR ADJUSTMENT MOTOR (UP/DOWN) MIRROR HEATER NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED WIRE RED/BLK WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

3 4 5 6 7 8 MUTE 30 ANT ON AM/FM ANTENNA SPLITTER BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN-B L CAN-B H WAKE UP CC NF L AUX NF CC NF R CC NF GND COMAND OPERATING, DISPLAY, CONTROL MODULE (CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (AT UPPER LEFT FOOTWELL) FUSE 22 FUSE 60 GPS GPS ROOF ANTENNA GRY/YEL WIRE HOT AT ALL TIMES K-DIAG LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (FRONT CENTER OF ROOF) RCL FREQUENCY IN ANT ON 30 DATA ZV 31 REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR WINDOW ANTENNA AMPLIFIER (CENTER REAR OF ROOF) RED WIRE RED/YEL WIRE SOUND SYSTEMS TELE AID CONTROL MODULE WALKMAN SEPARATION CONNECTOR (IF EQUIPPED) YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CIRCUIT CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM FUSE 53 GRN WIRE GRN/BLU WIRE GRN/PNK 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 HOT AT ALL TIMES LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE NCA WIRE PASSIVE RESTRAINTS SYSTEM PNK/RED WIRE REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) REAR SUNSHADE RELAY REAR WINDOW DEFROSTER RELAY RELAY RIGHT REAR BRAKE PAD WEAR SENSOR SUPPLEMENTAL RESTRAINTS SYSTEM TOWING SENSOR RELAY WHT 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

1 11 8 5 20 CAN-B L CAN-B H 1 2 CAN B L CAN B H 17 18 CAN B L CAN B H 3 4 1 CAN-B L CAN-B H 3 4 7 8 CAN-B L CAN-B H CAN-B H CAN-B L 9 10 3 2 CAN-C L CAN-C H CAN-B H CAN-B L BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC STEERING COLUMN MOTOR GROUP ELECTRONIC IGNITION-STARTER SWITCH CONTROL MODULE (LEFT SIDE OF DASH) ERGONOMY SWITCH ESC IN/OUT ASSIST SWITCH GROUP FUSE 3 FUSE 4 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEIGHT ADJUSTMENT MOTOR 4 3 HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN DOOR) LEFT FRONT DOOR SWITCH LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE LF DOOR RF DOOR LONGITUDINAL ADJUSTMENT MOTOR MEMORY SWITCH/ MEMORY 1/ MEMORY 2/ MULTIFUNCTION DISPLAY NCA WIRE REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) RED WIRE RIGHT FRONT DOOR SWITCH STEERING COLUMN DRIVING POSITION SWITCH 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