Mercedes-Benz S-class W140 (1991-1998) (below right rear seat) Wiring diagrams

32/1 32/2 37/1 A/C SYSTEM ANTI-THEFT ALARM CONTROL UNIT (RIGHT SIDE OF TRUNK) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE CF CONTROL UNIT (RIGHT SIDE OF TRUNK) CL TRUNK LID SWITCH FUSE 11 FUSE 25 FUSE 3 FUSE BOX GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION/ STARTER SWITCH INTERIOR CL SWITCH LEFT FRONT DOOR LOCK SWITCH LEFT REAR DOOR SWITCH NCA WIRE OFF PSE CONTROL MODULE REAR FUSE BOX RED WIRE RED/GRN WIRE RHR RELEASE SWITCH RIGHT FRONT DOOR LOCK SWITCH RIGHT FRONT DOOR SWITCH RIGHT REAR DOOR SWITCH ROTARY TUMBLER/ TRUNK LID MICROSWITCH RUN WIRE STARTER LOCK-OUT/ BACKUP LAMP SWITCH TERMINAL TERMINAL BLOCK TEST CONNECTION FOR DIAGNOSIS (RIGHT SIDE OF ENGINE COMPT) TRUNK LID LOCK SWITCH TRUNK LID REMOTE CONTROL VALVE (1995) WHT WIRE WHT/GRN WIRE YEL WIRE

ABS CONTROL UNIT ABS/ASR CONTROL UNIT BASE MODULE BLK WIRE BLK/GRN/RED WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN (OR BLK/GRN/VIO) 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 VIO WIRE W/ TRACTION CONTROL W/O TRACTION CONTROL YEL WIRE

A/C SYSTEM BLOWER UNIT, HAZARD FLASHER SWITCH ADS CONTROL MODULE ANTILOCK BRAKE SYSTEM HYDRAULIC UNIT BATTERY BRN WIRE DATA LINK CONNECTOR ELECTROLYTIC CAPACITOR EMISSIONS SENSOR HORNS, TRANSMISSION OVERLOAD PROTECTION SWITCH LEFT LICENSE PLATE LAMP, LEFT TAILLAMP UNIT, RIGHT LICENSE PLATE LAMP LEFT REAR LOCK CATCH MICROSWITCH, RIGHT REAR LOCK CATCH MICROSWITCH REAR WINDOW DEFROSTER RIGHT FRONT DOOR SWITCH, RIGHT FRONT SEAT BELT BUCKLE/BELT COMFORT SWITCH

BRN WIRE CENTRAL LOCKING INTERIOR SWITCH ELECTRONIC STEERING COLUMN SWITCH FADER SWITCH GRY/BLU WIRE LEFT FRONT POWER SEAT SWITCH GROUP LEFT FRONT SEAT HEATER SWITCH LEFT REAR HEAD RESTRAINT RAISE/ LOWER SWITCH LEFT REAR POWER WINDOW SWITCH LEFT REAR POWER WINDOW SWITCH (CENTER CONSOLE) LEFT REAR SEAT ADJUSTMENT SWITCH LEFT REAR SEAT CUSHION ADJUSTMENT SWITCH LEFT REAR SEAT HEATER SWITCH REAR HEAD RESTRAINT RELEASE SWITCH REAR HEAD RESTRAINT SWITCH (CONSOLE) REAR POWER WINDOWS SAFETY SWITCH REAR WINDOW SUN SHADE SWITCH RIGHT FRONT POWER SEAT SWITCH GROUP RIGHT FRONT POWER WINDOW SWITCH RIGHT FRONT SEAT HEATER SWITCH RIGHT REAR HEAD RESTRAINT RAISE/ LOWER SWITCH RIGHT REAR POWER WINDOW SWITCH RIGHT REAR POWER WINDOW SWITCH (CENTER CONSOLE) LEFT FRONT POWER WINDOW SWITCH RIGHT REAR SEAT ADJUSTMENT SWITCH RIGHT REAR SEAT CUSHION ADJUSTMENT SWITCH RIGHT REAR SEAT HEATER SWITCH (BEHIND INSTRUMENT CLUSTER) WARM/COOL AIR SWITCH

17/2 17/1 32/1 20/2 32/2 47 -1 47 -2 74/2 74/1 71/2 20/1 A/C SYSTEM BLOWER UNIT ABS/ASR HYDRAULIC UNIT ACCY AIRBAG INDICATOR ANTI- THEFT ALARM SYSTEM, INFRARED REMOTE CONTROL, REAR HEATED SEATS ANTI-THEFT ALARM SYSTEM, INFRARED REMOTE CONTROL, REAR HEAD RESTRAINTS BASE MODULE BATTERY BLK WIRE BLU WIRE BRN WIRE CANADA CENTRAL LOCKING, CLOSING ASSIST CONVENIENCE FEATURE DAYTIME RUNNING LAMPS ELECTROLYTIC CAPACITOR ETS/SPS CONTROL MODULE FRONT CIGAR LIGHTER FUEL PUMPS FUSE 11 FUSE 12 FUSE 15 FUSE 16 FUSE 16 FUSE 13 FUSE 14 FUSE 15 FUSE 17 FUSE 1 FUSE 2 FUSE 22 FUSE 3 FUSE 4 (RIGHT FRONT OF LUGGAGE COMPART- MENT) (NOT USED) FUSE 34 FUSE 35 FUSE 5 FUSE 2 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 9 FUSE 10 FUSE 6 (LEFT REAR OF ENGINE COMPART- MENT) FUSE BOX GRN WIRE GRN/BLK WIRE GRY WIRE HEATED REAR WINDOW HEATED SEATS HEATED SEATS, DEFOGGER, RELAY MODULE, SEAT BELT EXTENDER IGNITION/ STARTER SWITCH INFRARED CENTRAL LOCKING MAXI FUSE BOX NCA WIRE OFF PNK WIRE PNK/ PNK/ PNK/ TO FUSE BOX PNK/ WIRE PREGLOW TIME-LIMIT RELAY RADIO SOUND SYSTEM: TUNER, AMPLIFIER REAR CIGAR LIGHTER REAR CLIMATE CONTROL REAR FUSE BOX REAR ILLUMINATED VANITY MIRROR POWER WINDOWS REAR WINDOW SUNSHIELD, CONVENIENCE SYSTEM SRS CONTROL UNIT RED WIRE RUN WIRE SEATBELT WARNING MODULE SLIDING/ POP-UP ROOF STARTER LOCK-OUT/ BACK-UP LAMP RELAY SELECTOR LEVER POSITION RECOGNITION FUSE 3 TELE- PHONE TERMINAL TERMINAL BLOCK TERMINAL BLOCK X/4 TO COMBINATION SWITCH (DIAGRAM 2 OF 2) TO EXTERIOR LAMP SWITCH TO FUSE BOX, (DIAGRAM 2 OF 2) TO TERMINAL BLOCK (DIAGRAM 2 OF 2) VIO WIRE WHT WIRE WIPER MOTOR AUXILIARY FAN RELAY WIPER RELAY, WASHER PUMP, COMBINATION RELAY, REAR WINDOW DEFOGGER SWITCH YEL WIRE YEL/BLK WIRE

69/1 BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE CENTER CONSOLE FUSE 15 FUSE 32 FUSE BOX GRN/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, OR START INTERIOR LIGHTS SWITCH LEFT REAR HEAD RESTRAINT MOTOR LEFT REAR HEAD RESTRAINT RAISE/LOWER SWITCH REAR FUSE BOX REAR HEAD RESTRAINT CONTROL MODULE (BELOW LEFT REAR SEAT) REAR HEAD RESTRAINT SWITCH (CONSOLE) RED/GRN WIRE RED/YEL WIRE RIGHT REAR HEAD RESTRAINT MOTOR RIGHT REAR HEAD RESTRAINT RAISE/LOWER SWITCH YEL/BLK 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