Mercedes-Benz S-class W140 facelift (1994-1999) gry/grn Wiring diagrams

ABS LATERAL ACCELERATION SENSOR ASR OFF SWITCH ASR/ETS/SPS CONTROL MODULE BLK WIRE BLK/GRN/VIO WIRE BLK/PNK WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR ENGINE CONTROLS, RADIO, HEADLIGHTS SYSTEM (VEHICLE SPEED SIGNAL) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT AXLE VSS SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR AXLE VSS SPEED SENSOR MASTER BRAKE CYLINDER SWITCHOVER VALVE NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT AXLE VSS SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR AXLE VSS SPEED SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR SPS P-VALVE TERMINAL BLOCK WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/GRN/VIO WIRE BLK/PNK WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ESP OFF SWITCH ESP/SPS CONTROL MODULE EXTERIOR LAMP FAILURE MONITORING MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS, RADIO (SPEED SIGNAL) HOT AT ALL TIMES INSTRU- MENT CLUSTER LEFT FRONT AXLE VSS SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR AXLE VSS SPEED SENSOR MASTER BRAKE CYLINDER SWITCHOVER VALVE NCA WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT AXLE VSS SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR AXLE VSS SPEED SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR SPS P-VALVE TERMINAL BLOCK WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

22/2 36/2 37/2 5.1 BACK-UP LAMPS CIRCUIT BACKUP BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/RED/GRN WIRE BLK/RED/VIO WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CENTER HIGH MOUNTED STOP LAMP TURN SIGNAL/ SIDE MARKER LAMP COMBINATION RELAY (IN FUSE BOX) COMBINATION SWITCH EXT LAMP FAILURE IND EXTERIOR LAMP FAILURE MONITORING MODULE (IN LEFT REAR OF ENGINE COMPT) EXTERIOR LAMP SWITCH FUSE 17 FUSE 23 FUSE 24 FUSE 25 FUSE 9 FUSE BOX FUSE BOX FUSE 8 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/GRN/WHT WIRE GRY/RED WIRE GRY/VIO WIRE GRY/VIO/WHT WIRE GRY/WHT/VIO WIRE GRY/YEL WIRE GRY/YEL/RED WIRE GRY/YEL/WHT WIRE HAZARD FLASHER SWITCH HEAD LH HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WIPER/ WASHER SYSTEM HOT AT ALL TIMES HOT IN OFF, ACCY HOT IN RUN OR START INSTR CLUST SYSTEM INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEADLAMP UNIT LEFT LICENSE PLATE LAMP LEFT TURN IND LH HEAD HEAD MARKER MARKER FOG NCA WIRE OFF PARK OFF PARK RH OFF RH PARK RED WIRE RIGHT HEADLAMP UNIT RIGHT LICENSE PLATE LAMP RIGHT TAILLAMP UNIT RIGHT TURN IND STOP STOP LAMP SWITCH TAIL/ PARK TERMINAL TERMINAL BLOCK TURN TURN LEFT TAILLAMP UNIT TURN SIGNAL SWITCH TURN SIGNAL/ SIDE MARKER LAMP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

22/2 36/2 37/2 5.1 BACK-UP LAMPS CIRCUIT BACKUP BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/RED/GRN WIRE BLK/RED/VIO WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CENTER HIGH MOUNTED STOP LAMP COMBINATION RELAY (IN FUSE BOX) COMBINATION SWITCH EXT LAMP FAILURE IND EXTERIOR LAMP FAILURE MONITORING MODULE (IN FUSE BOX) EXTERIOR LAMP SWITCH FUSE 17 FUSE 23 FUSE 24 FUSE 25 FUSE 9 FUSE BOX FUSE BOX FUSE 8 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/GRN/WHT WIRE GRY/RED WIRE GRY/VIO WIRE GRY/VIO/WHT WIRE GRY/WHT/VIO WIRE GRY/YEL WIRE GRY/YEL/RED WIRE GRY/YEL/WHT WIRE HAZARD FLASHER SWITCH HEAD LH HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WIPER/ WASHER SYSTEM HOT AT ALL TIMES HOT IN OFF, ACCY HOT IN RUN OR START INSTR CLUST SYSTEM INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT LICENSE PLATE LAMP LEFT TURN IND LEFT TURN SIGNAL/ SIDE MARKER LAMP LEFT HEAD LAMP UNIT LH HEAD HEAD MARKER NCA WIRE OFF PARK OFF PARK RH OFF RH PARK RED WIRE RIGHT LICENSE PLATE LAMP RIGHT TAILLAMP UNIT RIGHT TURN IND RIGHT TURN SIGNAL/ SIDE MARKER LAMP RIGHT HEAD LAMP UNIT STOP STOP LAMP SWITCH STOP MARKER FOG TAIL/ PARK TERMINAL TERMINAL BLOCK TURN TURN LEFT TAILLAMP UNIT TURN SIGNAL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 DIAGN 30 15 DZA A/C COMPRESSOR A/C PUSHBUTTON CONTROL MODULE AKF+ AKF- CAN B CAN A BLK WIRE BLK/BLU WIRE BLK/GRY/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL/GRN WIRE BLK/YEL/WHT WIRE BLOWER MOTOR BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE FUSE 18 FUSE 20 FUSE 21 FUSE BOX (ON LEFT REAR CORNER OF ENGINE COMPARTMENT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK/YEL WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE GRY/YEL/VIO WIRE HEATER SUPPLY UNIT (IN LEFT FRONT OF ENGINE COMPARTMENT) HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HS ON-OFF IN-CAR TEMPERATURE SENSOR (IN DOME LIGHT ASSEMBLY) INSTRUMENT CLUSTER SYSTEM LEFT DUOVALVE LEFT HEATER CORE TEMPERATURE SENSOR (BEHIND CENTER OF DASHBOARD, BELOW RADIO) MAXI FUSE 2 MD WIK MD LED+ MD LED- LED HS NCA WIRE PNK WIRE PSE CONTROL MODULE (BEHIND RIGHT SIDE OF REAR SEAT) REAR A/C PUSHBUTTON CONTROL MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR (IN LEFT FRONT CORNER OF ENGINE COMPARTMENT) REFRIGERANT TEMPERATURE SENSOR (IN LEFT FRONT CORNER OF ENGINE COMPARTMENT) RIGHT DUOVALVE RIGHT HEATER CORE TEMPERATURE SENSOR (BEHIND CENTER OF DASHBOARD, BELOW RADIO) SUN SENSOR (TOP CENTER OF DASH) TF TFL TFR SEN SENS VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

A/C SYSTEM BLOWER UNIT ACTIVATED CHARCOAL FILTER ACTUATOR AIR CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, ON FRAME RAIL) BLK/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL/GRN WIRE BLK/YEL/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COOL COOL INDICATOR LED EMISSIONS SENSOR (CENTER OF FIREWALL) GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEADLAMP UNIT) HOT AT ALL TIMES ILLUMINATION LEFT AUXILIARY FAN (ON FRONT OF ENGINE COMPARTMENT) NCA WIRE NOTE: COMPONENTS MAY BE GROUNDED AT EITHER PNK/BLU WIRE RED WIRE RED/GRN WIRE RIGHT AUXILIARY FAN (ON FRONT OF ENGINE COMPARTMENT) SWITCHOVER VALVE BLOCK WARM WARM INDICATOR LED WARM/COOL AIR SWITCH (HEATING SYSTEMS) WHT/BLK WIRE WHT/RED WIRE YEL/BLU WIRE

29/2 BLK WIRE BLK/RED WIRE BLL/RED WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF TRUNK) CONVENIENCE RELAY (IN FUSE BOX) ELECTRICALLY ADJUSTABLE, HEATED DRIVER'S SIDE OUTSIDE REARVIEW MIRROR ELECTRICALLY ADJUSTABLE, HEATED FRONT PASSENGER OUTSIDE REARVIEW MIRROR ELECTRONIC STEERING COLUMN ADJUSTMENT SWITCH ELECTRONIC STEERING COLUMN MOTOR GROUP ESC CONTROL CONNECTOR FOLDING MOTOR FUSE 21 FUSE 30 FUSE BOX GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HORIZONTAL ADJUSTMENT HOT AT ALL TIMES TERMINAL HOT IN RUN LEFT POWER SEAT CONTROL UNIT (UNDER LEFT FRONT SEAT) MIRROR HEATER MIRROR POSITION MIRROR SELECT OUTSIDE REARVIEW MIRROR SWITCH (W/ MEMORY, FOLD-IN/ FOLD-OUT FEATURE) RED WIRE RED/BLK WIRE RED/WHT WIRE STEERING COLUMN IN/OUT STEERING COLUMN UP/DOWN TELESCOPIC ADJUSTMENT TERMINAL TILT ADJUSTMENT VERTICAL ADJUSTMENT WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

1995-99 1996-99 4 1 (1996-99) (1994-95) AM REAR WINDOW ANTENNA AMPLIFIER ANTENNA ASR/SPS CONTROL MODULE OR ESP/SPS/CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRY WIRE BLK/GRY/RED WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BRN WIRE CENTER FILL TWEETER SPEAKER COMBINATION RELAY MODULE CTEL TRANSMITTER/ RECEIVER FM BUMPER ANTENNA AMPLIFIER FUSE 16 FUSE 22 FUSE BOX GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/RED/WHT WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT AXLE VSS SENSOR LEFT FRONT DOOR SPEAKER (COUPE) LEFT FRONT DOOR SPEAKER GROUP LEFT REAR DOOR SPEAKER (OTHER) LEFT REAR SPEAKER GROUP LEFT/RIGHT AUDIO POWER AMPLIFIER (LEFT SIDE OF TRUNK) NCA (OR WIRE NCA WIRE POWER ANTENNA SYSTEM RADIO REAR FUSE BOX HOT IN RUN OR START RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER (COUPE) RIGHT FRONT DOOR SPEAKER GROUP RIGHT REAR DOOR SPEAKER (OTHER) RIGHT REAR SPEAKER GROUP TERMINAL BLOCK W/ POWER ANTENNA W/O POWER ANTENNA WHT WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE DM PRESSURE SENSOR (TOP LEFT FRONT OF ENGINE) ECT SENSOR (TOP LEFT FRONT CORNER OF ENGINE) ENGINE CONTOL MODULE (ME-SFI) (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) FUEL INJECTORS FUSE 22 FUSE BOX GRN WIRE GRN/RED WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT IN RUN OR START IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 KNOCK SENSOR 1 (LEFT SIDE OF ENGINE) KNOCK SENSOR 2 (LEFT SIDE OF ENGINE) NCA WIRE OIL LEVEL SWITCH (LEFT SIDE OF OIL PAN) PNK/RED WIRE RED WIRE RED/WHT WIRE SPARK PLUG #1 SPARK PLUG #6 SPARK PLUG #2 SPARK PLUG #5 SPARK PLUG #3 SPARK PLUG #4 THROTTLE VALVE ACTUATOR (LEFT SIDE OF ENGINE) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

AIR PUMP SWITCHOVER VALVE (TOP CENTER OF ENGINE) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE CAMSHAFT HALL EFFECT SENSOR (RIGHT FRONT OF LEFT CYLINDER HEAD) COMPUTER DATA LINES SYSTEM ELECTRONIC ACCELERATOR/ CRUISE CONTROL/IDLE ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) FUEL INJECTOR VALVES GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT FILM MAF SENSOR (TOP CENTER OF ENGINE) LEFT ADJUSTABLE CAMSHAFT TIMING SOLENOID (LEFT FRONT OF ENGINE) NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT ADJUSTABLE CAMSHAFT TIMING SOLENOID (RIGHT FRONT OF ENGINE) SPEED CONTROL MODULE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE