Mercedes-Benz S-class W140 (1991-1998) pnk Wiring diagrams

87 ABS ABS ABS ASR WARNING IND. WARNING IND. SPEEDOMETER ASR ASR FUNCTION IND. ASR LATERAL ACCELERATION SENSOR ASR OFF SWITCH RIGHT REAR AXLE VSS ASR/SPS CONTROL UNIT BASE MODULE (RIGHT REAR OF ENGINE COMPARTMENT, IN MODULE BOX) BLK WIRE BLK/PNK WIRE BLK/PNK/WHT WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL/RED WIRE BLS BLU WIRE BLU/WHT WIRE BRAKE WARNING IND BRN WIRE BRN/BLK (OR BLU/WHT) WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRS OEF HAS COMPUTER DATA LINES SYSTEM DF HR MDF HR DF HL MDF HL DFA VR DFAVL EXTERIOR LAMP FAILURE MONITORING UNIT FUSE 23 FUSE BOX (LEFT REAR OF ENGINE COMPARTMENT) GRN WIRE GRY WIRE GRY/RED WIRE HAS HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT AXLE VSS (BEHIND CLUSTER) SENSOR LEFT REAR WHEEL SPEED NCA WIRE PARK BRAKE SWITCH (AT PARK BRAKE RELEASE) PNK WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RHEOSTAT RIGHT FRONT AXLE VSS SENSOR STOP LIGHT SWITCH (TOP OF BRAKE PEDAL SUPPORT) TERMINAL BLOCK (RIGHT REAR OF ENGINE COMPARTMENT) TEST CONNECTION FOR DIAGNOSIS WHT WIRE YEL WIRE YEL/BLU WIRE

ABS ABS ASR WARNING IND. WARNING IND. SPEEDOMETER ASR ASR DFA HL ASR FUNCTION IND. ASR OFF SWITCH BASE MODULE (RIGHT REAR OF ENGINE COMPARTMENT, IN MODULE BOX) BLK WIRE BLK/GRN/VIO WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL/RED WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE CC CONTROL MODULE DF HR 87 ABS BLS DF HR MDF HR DF HL MDF HL DFAVL DFA VR ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ETS OFF ETS/SPS CONTROL UNIT (RIGHT REAR OF ENGINE COMPARTMENT, IN MODULE BOX) EXTERIOR LAMP FAILURE MONITORING UNIT FUSE 23 FUSE BOX (LEFT REAR OF ENGINE COMPARTMENT) GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT AXLE VSS (BEHIND CLUSTER) SENSOR LEFT REAR WHEEL SPEED NCA WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RHEOSTAT RIGHT FRONT AXLE VSS RIGHT REAR AXLE VSS SENSOR STOP LIGHT SWITCH (TOP OF BRAKE PEDAL SUPPORT) TERMINAL BLOCK TEST CONNECTION FOR DIAGNOSIS VIO/BLU WIRE WHT WIRE YEL WIRE YEL/RED WIRE

A/C PUSHBUTTON CONTROL MODULE AIR CONTROL MODULE BLU WIRE BRN WIRE BRN/WHT WIRE FUSE 2 GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT AUXILIARY FAN MAXI FUSE BOX PNK WIRE PNK/BLU WIRE RED/GRN WIRE RIGHT AUXILIARY FAN

ABS CONTROL MODULE AUS TNA 87 UG 87 UG 31 31 BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRN WIRE BLK/GRN/PPL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN-L CAN-H COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL/IDLE SPEED CONTROL ACTUATOR DF VL 87 KP DFA HA DFA VL FUSE BOX FUSE 23 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT IN RUN OR START I/P INSTRUMENT CLUSTER IPW IPS IP- KSK LLK LSK NCA WIRE PNK WIRE PPL PPL 2 RED WIRE RED/GRN WIRE RED/GRN/WHT WIRE RED/WHT WIRE RED/YEL WIRE S-B S+B DF H SSA STARTER LOCK-OUT/ BACKUP LAMP SWITCH ULSK WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/GRN/BLK WIRE

ANTI-LOCK BRAKES SYSTEM ASR/SPS CONTROL MODULE BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRN WIRE BLK/GRN/PPL WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN-L CAN-H CLOSED THROTTLE POSITION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DIAGNOSTIC CONNECTOR (RIGHT REAR CORNER OF ENGINE COMPT) ELECTRONIC ACCELERATOR/CRUISE CONTROL/IDLE SPEED CONTROL ACTUATOR FUSE BOX FUSE 23 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HOT IN RUN OR START INSTRUMENT CLUSTER KSK GETR UGETR LSK MSK NCA WIRE PKS S-B S+B PNK WIRE PPL RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRN/WHT WIRE RED/WHT WIRE RED/YEL WIRE SPEED- OMETER SPS IPS P- STARTER LOCK-OUT/ BACKUP LAMP SWITCH STOP LAMP SWITCH UPKS USK W/ ADS W/O ADS WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK/GRN WIRE YEL/GRN WIRE

ABS/ASR CONTROL MODULE 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) FUSE 17 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 NCA WIRE PNK WIRE RED WIRE RIGHT FRONT AXLE DAMPER RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR BODY LATERAL ACCELERATION SENSOR RIGHT REAR AXLE DAMPER STEERING ANGLE SENSOR STOP LAMP SWITCH VALVE UNIT 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

22/3 36/2 8 3 (ADS II) (ADS I) ADS CONTROL MODULE (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM AUDIBLE TURN SIGNAL INDICATOR BASE MODULE (IN MODULE BOX) BLK WIRE BLK/GRN WIRE BLK/RED/VIO WIRE BLK/WHT WIRE BLK/YEL/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL/RED WIRE BRAKE FLUID LEVEL SWITCH BRAKE PAD WEAR INDICATOR BRN WIRE BRN/BLK WIRE BRN/BLU (OR BLU/GRN) WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CANADA ONLY CHARGE INDICATOR CHECK ENGINE INDICATOR COMBINATION RELAY (IN FUSE BOX) COOLANT LEVEL INDICATOR COOLANT LEVEL SWITCH COOLANT TEMP GAUGE COOLANT TEMPERATURE GAUGE SENSOR DIAGNOSTIC MODULE ELECTRONIC CLOCK ELECTRONIC SPEEDOMETER ENGINE CONTROL MODULE EXTERIOR LAMP FAILURE INDICATOR EXTERIOR LIGHTS SYSTEM WARNING SYSTEM FUEL CONSUMPTION INDICATOR FUEL LEVEL GAUGE FUEL LEVEL SENSOR FUEL RESERVE INDICATOR FUSE 24 FUSE BOX FUSE 17 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE HEADLIGHTS SYSTEM HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH ILLUMINATION INDICATOR ABS INDICATOR ADS INDICATOR ASR INDICATOR ASR WARNING INDICATOR SRS INDICATOR, PARK BRAKE BRAKE FLUID INSTRUMENT CLUSTER LEFT REAR BRAKE PAD BRAKE PAD WEAR SENSOR WEAR SENSOR LEFT TURN INDICATOR LH-SFI CONTROL MODULE OFF OIL LEVEL INDICATOR OIL LEVEL SWITCH OIL PRESSURE GAUGE OIL PRESSURE SENSOR OUTSIDE TEMPERATURE INDICATOR OUTSIDE TEMPERATURE SENSOR PARKING BRAKE SWITCH PNK WIRE PNK/YEL WIRE PNK/YEL/BLK WIRE REAR AXLE MULTIPLE CIRCUIT JUNCTION CONNECTOR RED WIRE RED/BLU WIRE RED/WHT WIRE RHEOSTAT RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR RIGHT TURN INDICATOR RUN WIRE SEAT BELT INDICATOR STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TERMINAL BLOCK (RIGHT FOOTWELL) VIO WIRE WARNING BUZZER WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER FLUID INDICATOR WINDSHIELD WASHER FLUID LEVEL SWITCH YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO 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

1995-96 2 3 W/ ELECTRONIC ACCELERATOR W/O ELECTRONIC ACCELERATOR A/C PUSHBUTTON CONTROL MODULE ADS CONTROL MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) ATA CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK/BLU WIRE BLK/YEL WIRE BLU/GRY WIRE BRN WIRE CAN 3 8 1 CAN H+ CAN 3 19 CAN L CAN L- 3 18 CAN-H CONVENIENCE FEATURE CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) DIAGNOGSTIC MODULE (OBD II) ENGINE CONTROL MODULE (HFM-SFI) FUSE 15 FUSE 17 FUSE BOX GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START INFRARED REMOTE CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) INSTRUMENT CLUSTER NCA WIRE PNK WIRE PSE CONTROL MODULE (RIGHT SIDE OF REAR SEAT) RED WIRE RED/WHT WIRE SEE SYSTEM DIAGRAM FOR PIN NUMBER SPS CONTROL MODULE SRS CONTROL MODULE SRS IND TEST CONNECTOR FOR DIAGNOSIS (RIGHT REAR CORNER OF ENGINE COMPARTMENT) TRANSMISSION CONTROL MODULE W/ ASR W/O ASR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED (OR YEL/BLU) WIRE YEL/RED WIRE

ADJUSTABLE CAMSHAFT TIMING SOLENOID AIR PUMP AIR PUMP SWITCH- OVER VALVE AIR RELAY MODULE BLK WIRE BLK/RED WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR COMPUTER DATA LINES CRANKSHAFT POSITION SENSOR EGR SWITCHOVER VALVE ENGINE CONTROL MODULE (HFM-SFI) ENGINE COOLANT TEMPERATURE SENSOR INTAKE AIR TEMPERATURE SENSOR FUSE BOX FUSE 6 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT FILM MASS AIR FLOW SENSOR HOT IN RUN OR START IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 INJ 3 INJ. #4 INJ. #2 INJ. #5 INJ. #1 INJ. #6 KNOCK SENSOR 1 (RIGHT SIDE OF ENGINE) KNOCK SENSOR 2 (LEFT SIDE OF ENGINE) NCA WIRE PNK WIRE PNK/RED WIRE RED WIRE RED/GRN WIRE RESONANCE INTAKE MANIFOLD SWITCHOVER VALVE SOLID STATE SPARK PLUG #1 SPARK PLUG #6 SPARK PLUG #2 SPARK PLUG #5 SPARK PLUG #3 SPARK PLUG #4 TERMINAL BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE