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

4 10 3 STOP SWITCH STOP SWITCH 8 27 STOP FEED VOLTAGE SUPPLY BACKUP SWITCH BASE MODULE (RIGHT REAR OF ENGINE COMPT) BLK/BLU WIRE BLK/GRN WIRE BLK/GRN/RED WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN (-) CAN (+) COMPUTER DATA LINES SYSTEM DATA A DATA B DATA C DATA D POWER GROUND ESP/SPS CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FUSE 25 FUSE BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT IN RUN OR START ILLUM INTERLOCK SWITCH KICKDOWN SWITCH (UNDER ACCELERATOR PEDAL) P/N PNK WIRE RED/BLU WIRE RED/YEL WIRE RPM SENSOR 2 RPM SENSOR 3 STARTING/ CHARGING SYSTEM STOP LAMP SWITCH TEMP SENSOR TRANSMISSION CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) TRANSMISSION RANGE RECOGNITION SWITCH (ON GEAR SHIFT SELECTOR ASSEMBLY) VALVE UNIT (ELECTRONIC TRANSMISSION CONTROL) VIO WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU 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

20/2 BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION SWITCH GRY WIRE GRY/YEL WIRE HEADLIGHT WASHER CIRCUIT HOT IN ACC, RUN OR START HOT IN ACCY, RUN OR START FUSE BOX FUSE 15 INT LO NCA WIRE OFF HI PARK RAIN SENSOR RED/YEL WIRE RUN WIRE TERMINAL BLOCK WASHER SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WIPER MOTOR WIPER SWITCH

BLK/YEL WIRE BLK/YEL/RED WIRE BRN WIRE COMBINATION RELAY COMBINATION SWITCH EXTERIOR LAMP FAILURE MONITORING MODULE FRONT WIPER/ WASHER CIRCUIT FUSE 15 FUSE BOX GRY WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HCS RELAY MODULE HEADLAMP WASHER PUMP HOT AT ALL TIMES HOT IN ACCY, RUN, OR START LEFT HEADLAMP WIPER MOTOR LIGHT SWITCH NCA WIRE OFF PARK HEAD PARK RED WIRE RIGHT HEADLAMP WIPER MOTOR RUN WIRE WASH WASHER SWITCH

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

1995 VFTC BLK/BRN/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN A CAN B CENTER CONSOLE COOLANT CIRCULATION PUMP FRONT A/C CIRCUIT FTX FUSE 1 GRY WIRE GRY/BLU WIRE GRY/GRN/VIO WIRE GRY/RED WIRE GRY/RED/VIO WIRE GRY/YEL/VIO WIRE HOT IN RUN OR START LEFT DUOVALVE LEFT REAR HEATER CORE TEMPERATURE SENSOR (IN REAR OF CENTER CONSOLE) NCA WIRE REAR A/C ELECTRONIC BLOWER REGULATOR, REAR A/C PUSHBUTTON CONTROL MODULE REAR AUXILIARY HEATER SUPPLY UNIT REAR BLOWER MOTOR (BELOW CENTER CONSOLE) REAR EVAPORATOR TEMPERATURE SENSOR (IN REAR OF CENTER CONSOLE) REAR FUSE BOX (IN LUGGAGE COMPARTMENT, BEHIND RIGHT TRIM PANEL) REAR REFRIGERANT SHUT-OFF VALVE REAR TUNNEL FLAP VACUUM VALVE RED WIRE RIGHT DUOVALVE RIGHT REAR HEATER CORE TEMPERATURE SENSOR (IN REAR OF CENTER CONSOLE) WHT/PNK/VIO WIRE

69/1 69/2 BACKREST ADJUST LIMIT SWITCH BACKREST ADJUST MOTOR BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CENTER CONSOLE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF TRUNK) CONVENIENCE RELAY (IN FUSE BOX) CUSHION ADJUST LIMIT SWITCH CUSHION ANGLE MOTOR FUSE 31 FUSE 32 FUSE BOX GRN WIRE GRY WIRE GRY/BLU WIRE HEAD RESTRAINT MOTOR HEAD RESTRAINT UP/DOWN HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LEFT REAR DOOR PLUG CONNECTION LEFT REAR INDIVIDUAL SEAT MOTOR GROUP LEFT REAR SEAT ADJUSTMENT SWITCH PNK WIRE REAR FUSE BOX FUSE 15 REAR HEAD RESTRAINT CONTROL UNIT (BELOW REAR SEAT) REAR HEAD RESTRAINT SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR DOOR PLUG CONNECTION RIGHT REAR INDIVIDUAL SEAT MOTOR GROUP RIGHT REAR SEAT ADJUSTMENT SWITCH SEAT CUSHION ADJUST MOTOR SEAT CUSHION INCLINE BACKREST FWD/ BKWD TERMINAL VIO WIRE VIO/BLK WIRE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

2 11 9 18 19 17 16 8 10 13 20 12 PNK WIRE 69/2 BACKREST ADJUSTMENT BACKREST FWD/ BKWD BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CENTER CONSOLE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF TRUNK) CONVENIENCE RELAY (IN FUSE BOX) CUSHION ANGLE FUSE 31 FUSE BOX GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE HEAD RESTRAINT UP/DOWN HOT AT ALL TIMES LEFT REAR DOOR PLUG CONNECTION LEFT REAR DOOR PLUG CONNECTOR LEFT REAR SEAT CUSHION ADJUSTMENT SWITCH LUGGAGE COMPARTMENT FUSE BOX FUSE 15 PNK WIRE PNK/BLK WIRE REAR BACKREST ADJUSTMENT REAR HEAD RESTRAINT REAR HEAD RESTRAINT CONTROL UNIT (BELOW REAR SEAT) REAR HEAD RESTRAINT SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR PLUG CONNECTION RIGHT REAR DOOR PLUG CONNECTOR RIGHT REAR SEAT CUSHION ADJUSTMENT SWITCH TERMINAL VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

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) FUSE 12 FUSE 22 FUSE BOX GRN WIRE GRY WIRE GRY/BLU WIRE HI LO HOT AT ALL TIMES HOT IN ACCY, RUN, OR START LEFT REAR BACKREST HEATER LEFT REAR DOOR PLUG CONNECTION LEFT REAR SEAT HEATER LEFT REAR SEAT HEATER SWITCH NCA WIRE OFF REAR FUSE BOX FUSE 2 REAR SEAT HEATER CONTROL UNIT (BELOW REAR SEAT) RED WIRE RED/YEL WIRE RED/YEL/WHT WIRE RIGHT REAR BACKREST HEATER RIGHT REAR SEAT HEATER RIGHT REAR DOOR PLUG CONNECTION RIGHT REAR SEAT HEATER SWITCH VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

BRN WIRE BRN/YEL WIRE CENTER CONSOLE GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES FUSE 11 PNEUMATIC SYSTEM EQUIPMENT CONTROL MODULE REAR FUSE BOX RED/GRN WIRE REMOTE TRUNK RELEASE CONTROL VALVE REMOTE TRUNK RELEASE SWITCH ROTARY TUMBLER/ TRUNK LID MICROSWITCH YEL WIRE