Mercedes-Benz S-class W220 (1998-2005) engine electronic/ chassis relay Wiring diagrams

1 2 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29 30 DATA LINE 1 2 3 4 5 6 7 8 SHIFT ILLUM MODE SW 2 DIAGNOSTIC 11 9 DATA LINK CONNECTOR (AT UPPER LEFT FOOTWELL) 3-4 2-3 1-2/ SHIFT UP ATOR SHIFT 4-5 VALVE VALVE VALVE VALVE VALVE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE CAN (-) CAN (+) COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER CONTROL MODULE (BASE OF SELECTOR LEVER ASSEMBLY) ENGINE ELECTRONIC/ CHASSIS RELAY ETC CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FUSE 37 GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES INTERLOCK SWITCH KEYLESS GO CONTROL MODULE KEYLESS GO START/STOP PUSHBUTTON LOCK NCA WIRE POWER CAN H CAN L GROUND POWER GROUND RED/GRY WIRE RED/YEL WIRE RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RPM SENSOR 2 RPM SENSOR 3 SHIFT MODUL- VALVE TEMP SENSOR TRANSMISSION MODE SWITCH VALVE UNIT (ELECTRONIC TRANSMISSION CONTROL) VIO/GRY WIRE VIO/YEL WIRE WHT/YEL WIRE

A/C SYSTEM BLOWER UNIT AIR PUMP RELAY AIR SUSPENSION RELAY AIRMATIC W/ ADS CONTROL MODULE BATTERY BLK WIRE CLIMATE CONTROL ELECTRIC COOLING FAN ENGINE ENGINE ELECTRONIC/ CHASSIS RELAY FANFARE RELAY FUSE 1 FUSE 13 FUSE 15 (RES) FUSE 2 FUSE 28 FUSE 3 FUSE 33 FUSE 35 (RES FUSE 38 FUSE 39 FUSE 41 FUSE 42 FUSE 8 (RES) FUSE 9 GENERATOR LEFT FRONT DOOR CONTROL MODULE LEFT FRONT FUSE/RELAY MODULE LEFT FUSE BOX RED WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT FUSE/RELAY MODULE RIGHT FRONT SAM CONTROL MODULE RIGHT FUSE BOX STARTER STEERING COLUMN LONGITUDINAL ADJUSTMENT RELAY 1 TERMINAL BLOCK, FUSE BOX TERMINAL BLOCK, FUSE BOX (CIRCUIT 30, 61) TO COCKPIT FUSE BOX (FUSE 78) (DIAGRAM 4 OF 4) TO COCKPIT FUSE BOX (FUSE 80) (DIAGRAM 4 OF 4) TO ELECTRONIC IGNITION- STARTER CONTROL MODULE (DIAGRAM 4 OF 4) TO LEFT FRONT FUSE/RELAY MODULE (FUSE 23) (DIAGRAM 2 OF 4) TO REAR FUSE/RELAY MODULE (FUSE 55) (DIAGRAM 2 OF 4) WHT WIRE WINDSHIELD STEERING HEATER COLUMN RELAY LONGITUDINAL ADJUSTMENT RELAY 2 YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM ENGINE COOLANT LEVEL SWITCH ENGINE ELECTRONIC/ CHASSIS RELAY FANFARE RELAY GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE NCA WIRE PNK/RED WIRE RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE STARTING/CHARGING SYSTEM WHT WIRE WIPER/WASHER FLUID LEVEL SWITCH WIPER/WASHER SYSTEM YEL WIRE

1 29 30 DATA LINE POWER GROUND 11 9 DATA LINK CONNECTOR (AT UPPER LEFT FOOTWELL) 15 11 1 BLS BS 3 5 6 7 8 DIAGNOSTIC POWER CAN H CAN L GROUND BLK WIRE BLK/BLU/WHT WIRE BLU WIRE BRN WIRE CAN (-) CAN (+) CAN B L CAN B H COMPUTER DATA LINES SYSTEM ENGINE ELECTRONIC/ CHASSIS RELAY ESP/SPS/BAS CONTROL MODULE (LEFT REAR OF ENG COMPT) ETC CONTROL MODULE (IN RIGHT REAR OF ENGINE COMPT) FUSE 16 FUSE 37 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE STARTING SYSTEM STOPLAMP SWITCH (ON BRAKE PEDAL BRACKET) VIO WIRE WHT WIRE WHT/YEL WIRE