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

22/3 30 ZV 15 TK 32/2 36/2 BLK/RED WIRE BLK/RED/VIO WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CENTER CONSOLE DOME DOME LAMP DOME/READING LAMPS W/ SHUT OFF DELAY DOOR DOOR INPUT FUSE 11 FUSE 17 FUSE 24 FUSE BOX GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT DOOR SWITCH LEFT FRONT EXIT LAMP RIGHT FRONT EXIT LAMP LEFT READ- ING LAMP LEFT REAR DOOR SWITCH (SEDAN) LEFT REAR EXIT LAMP LEFT REAR READING LAMP (SEDAN) REAR DOME LAMP LEFT REAR VANITY MIRROR LEFT SUN VISOR W/ ILLUMINATED VANITY MIRROR LEFT TAIL- LAMP UNIT TRUNK LAMP PNEUMATIC CONTROL UNIT AUTOMATIC DIMMING INSIDE REAR VIEW MIRROR PNK WIRE PNK/GRN WIRE READ- ING READ- ING DOME REAR FUSE BOX RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR SWITCH RIGHT READ- ING LAMP RIGHT REAR DOOR SWITCH (SEDAN) RIGHT REAR EXIT LAMP RIGHT REAR READING LAMP RIGHT REAR VANITY MIRROR RIGHT SUN VISOR W/ ILLUMINATED VANITY MIRROR RIGHT TAIL LAMP UNIT ROTARY TUMBLER/ TRUNK LID MICROSWITCH SEDAN SLIDING/ POP-UP ROOF SWITCH TERMINAL TERMINAL BLOCK TRUNK LAMP VIO WIRE WHT WIRE YEL WIRE

ABS/ASR CONTROL UNIT BASE MODULE BLK WIRE BLK/GRN/RED WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE DATA LINK CONNECTOR (TOP OF MODULE BOX) GRN WIRE NCA WIRE RED WIRE SPEED SENSITIVE POWER STEERING CONTROL UNIT SPEED SENSITIVE POWER STEERING P-VALVE YEL WIRE

ADS CONTROL MODULE (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) ADS WARNING IND. BASE MODULE (RIGHT REAR SIDE OF ENGINE COMPARTMENT, IN MODULE BOX) BLK WIRE BLK/GRN WIRE BLK/GRN/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL WIRE BLS LAM ZAS BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/BLU/WHT WIRE BRN/GRY WIRE BRN/YEL WIRE COMFORT/SPORT SWITCH DATA LINK CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT) ESP/SPS CONTROL MODULE FUSE 17 FUSE 23 FUSE 24 FUSE BOX GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/YEL WIRE HAR HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT AXLE DAMPER LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT REAR AXLE DAMPER LW DF RED WIRE RIGHT FRONT AXLE DAMPER RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR AXLE DAMPER RIGHT REAR BODY LATERAL ACCELERATION SENSOR STEERING ANGLE SENSOR STOP LAMP SWITCH VALVE UNIT VIO WIRE VVR+ WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE ZA+ VVL ZA+ ZA- HAL ZA- ZAS ZR+ ZR- ZRS 31

73/1 BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/GRY/RED WIRE BLK/VIO WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE COMBINATION RELAY (LEFT REAR CORNER OF ENGINE COMPT) FRONT SEAT HEATER CONTROL UNIT (UNDER LEFT SIDE OF REAR SEAT) FUSE 29 FUSE 34 FUSE 22 FUSE BOX GRY WIRE GRY/BLU WIRE HI LO HOT AT ALL TIMES HOT IN ACCY, RUN, OR START LEFT FRONT BACKREST HEATER LEFT FRONT SEAT HEATER SWITCH NCA WIRE OFF RED WIRE RED/YEL WIRE RED/YEL/WHT WIRE RIGHT FRONT BACKREST HEATER LEFT FRONT SEAT HEATER RIGHT FRONT SEAT HEATER RIGHT FRONT SEAT HEATER SWITCH VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

22/3 36/2 A/C SYSTEM INTERIOR LIGHTS SYSTEM ABS IND. ADS IND ANTI-LOCK BRAKE SYSTEM INTERIOR LIGHTS SYSTEM ASR/ESP IND ASR/ESP WARNING IND BLK/GRN WIRE BLK/GRY/RED WIRE BLK/VIO/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PAD WEAR IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE/ PREGLOW IND COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DTC READOUT) (RIGHT SIDE OF ENGINE COMPT) ELECTRONIC CLOCK ELECTRONIC SPEEDOMETER/ MAIN ODOMETER ELECTRONIC SUSPENSION SYSTEM ENGINE COOLANT TEMP. GAUGE ENGINE OIL LEVEL IND ENGINE OIL PRESSURE GAUGE EXTERIOR LAMP FAILURE IND EXTERIOR LIGHTS SYSTEM A/C SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUEL CONSUMPTION INDICATOR FUEL LEVEL GAUGE FUEL LEVEL SENSOR FUEL RESERVE IND FUSE 15 FUSE 17 FUSE 24 FUSE BOX GENERATOR IND GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/VIO WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN AND START HOT IN RUN OR START INSTRUMENT CLUSTER LEFT TURN SIGNAL IND LOCK LOW ECL IND LOW WASHER FLUID IND NCA WIRE OIL PRESSURE SENSOR OUTSIDE TEMPERATURE INDICATOR OUTSIDE TEMPERATURE INDICATOR SENSOR PASSIVE RESTRAINTS SYSTEM PNK/BLU WIRE PNK/YEL WIRE RED/WHT WIRE RHEOSTAT ILLUMINATION (4 BULBS) RIGHT TURN SIGNAL IND RUN WIRE SEAT BELT REMINDER IND SRS IND STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TERMINAL BLOCK WARNING BUZZER WHT/BLK WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH YEL WIRE

1 2 3 4 5 6 PNK WIRE 65/1 68/2 78/1 82/2 78/2 82/1 BACKREST BACKREST HEAD RESTRAINT UP/DOWN BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) CONVENIENCE RELAY (IN FUSE BOX) COUPE ONLY FUSE 30 FUSE 37 41 FUSE 38 40 FUSE BOX GRN WIRE GRY WIRE GRY/BRN WIRE HEAD RESTRAINT UP/DOWN HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM (DOOR JAMB SWITCHES) LEFT FRONT ONLY LEFT FRONT RIGHT FRONT LEFT OR RIGHT FRONT DOOR PLUG CONNECTOR LEFT OR RIGHT FRONT POWER SEAT MOTOR GROUP WITH MEMORY LEFT OR RIGHT FRONT POWER SEAT SWITCH LEFT OR RIGHT FRONT SEAT MEMORY CONTROL UNIT (UNDER SEAT) LEFT OR RIGHT FRONT SEATBACK MICROSWITCH (COUPE ONLY) MEMORY MIRROR, STEERING COLUMN ADJUST CONTROL UNIT (RIGHT SIDE OF DASH) ORG/ WIRE PNK WIRE PNK/GRN WIRE POSITION 1 POSITION 2 POSITION 3 RED WIRE RED/BLK WIRE RED/BLK/YEL WIRE RED/WHT WIRE RED/YEL WIRE SEAT CUSHION HEIGHT SEAT FORWARD/ BACKWARD SEAT FWD/BACK SEAT HEIGHT REAR SEAT HEIGHT FRONT SEAT HEIGHT REAR TERMINAL VIO WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

ASR/SPS CONTROL MODULE OR ESP/SPS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) BLK/BLU WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE DATA LINK CONNECTOR (RIGHT SIDE OF ENGINE COMPT) FRONT BUMPER PTS SENSOR ASSEMBLY FUSE 25 FUSE 4 FUSE 8 FUSE BOX GRN/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT IN RUN OR START HOT W/ LIGHT SWITCH IN PARK OR HEAD PTS ON/OFF SWITCH PTS WARNING INDICATOR (CENTER INSTRUMENT PANEL AIR OUTLET) PTS WARNING INDICATOR (LEFT INSTRUMENT PANEL AIR OUTLET) PTS WARNING INDICATOR (REAR DOME LAMP) REAR BUMPER PTS SENSOR ASSEMBLY REAR FUSE BOX REV RIGHT REAR SEAT TERMINAL BLOCK TRANSMISSION RANGE RECOGNITION SWITCH ULTRASONIC PTS CONTROL MODULE (BELOW RIGHT REAR SEAT) WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

+12 V 31 1 2 3 4 5 6 7 8 9 10 11 12 13 LED R LED G LED R IR +12 V 31 20 DATA LINK CONNECTOR (DTC READOUT) (RIGHT SIDE OF ENG COMPT) A/C SYSTEM INTERIOR LIGHTS SYSTEM BLK WIRE BLK/GRN/VIO WIRE BLK/PNK WIRE BLK/RED/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-L CAN-H CENTER CONSOLE CENTRAL LOCKING/ ANTI-THEFT SWITCH CL 30 COMPUTER DATA LINES SYSTEM CONVENIENCE CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) DF HD TK REVERSE 31 FUSE 11 FUSE 15 FUSE 18 FUSE 2 FUSE 20 FUSE 3 FUSE BOX GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IR 30 LED G IR DAS CONTROL MODULE IR DIAG LED G LED R LEFT FRONT DOOR IR RECEIVER LEFT FRONT DOOR LOCK SWITCH LEFT FRONT DOOR SWITCH LEFT REAR DOOR SWITCH LEFT SBE CONTROL MODULE (COUPE) NCA WIRE PSE CONTROL MODULE REAR FUSE BOX RED WIRE RED/GRN WIRE RED/WHT WIRE REMOTE CONTROL LOCKING CONTROL MODULE REVERSE RIGHT FRONT DOOR IR RECEIVER RIGHT FRONT DOOR SWITCH RIGHT REAR DOOR SWITCH RIGHT REAR SEAT RTR A/C DOME RHR TK 15 TRANSMISSION RANGE RECOGNITION SWITCH TRANSPONDER COIL TRUNK LID IR RECEIVER TRUNK LID LOCK SWITCH TRUNK LID MICROSWITCH TRUNK RELEASE SYSTEM WHT WIRE WHT/GRN WIRE YEL WIRE YEL/VIO WIRE

4 5 13 DATA LINK CONNECTOR (DTC READOUT) (RIGHT SIDE OF ENGINE COMPT) ACTIVATED CHARCOAL CANISTER SHUT-OFF VALVE BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU/WHT WIRE GRY/PNK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES IGNITION SWITCH LOCK NCA WIRE OXYGEN SENSOR 1 (BEFORE TWC) (ON EXHAUST PIPE, BEFORE TWC) OXYGEN SENSOR 2 (AFTER TWC) (REAR OF TWC) PEDAL VALUE SENSOR (RIGHT REAR OF ENGINE COMPT) PURGE CONTROL VALVE RED WIRE RED/BLU WIRE RED/BLU/YEL WIRE RED/GRN WIRE RUN WIRE STARTING SYSTEM TRANSMISSION SYSTEM VIO WIRE WHT WIRE WHT/YEL WIRE YEL/GRN WIRE YEL/WHT 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