Mercedes-Benz S-class W220 (1998-2005) rear fuse/relay module (under right rear seat) Wiring diagrams

3 4 5 6 7 8 MUTE 30 ANT ON AM/FM ANTENNA SPLITTER BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN-B L CAN-B H WAKE UP CC NF L AUX NF CC NF R CC NF GND COMAND OPERATING, DISPLAY, CONTROL MODULE (CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (AT UPPER LEFT FOOTWELL) FUSE 22 FUSE 60 GPS GPS ROOF ANTENNA GRY/YEL WIRE HOT AT ALL TIMES K-DIAG LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (FRONT CENTER OF ROOF) RCL FREQUENCY IN ANT ON 30 DATA ZV 31 REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR WINDOW ANTENNA AMPLIFIER (CENTER REAR OF ROOF) RED WIRE RED/YEL WIRE SOUND SYSTEMS TELE AID CONTROL MODULE WALKMAN SEPARATION CONNECTOR (IF EQUIPPED) YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1 2 1 CAN-B L CAN-B H 1 2 4 1 LEFT OUTER SENSOR 1 2 4 2 RIGHT CENTER SENSOR 1 4 2 3 LEFT INNER SENSOR 2 1 4 3 LEFT INNER SENSOR 2 4 1 2 RIGHT INNER SENSOR 2 4 1 4 LEFT OUTER SENSOR 2 4 1 4 RIGHT INNER SENSOR 2 4 1 6 RIGHT OUTER SENSOR 4 1 2 1 RIGHT OUTER SENSOR 4 2 1 5 LEFT CENTER SENSOR BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FRONT BUMPER PTS SENSOR ASSEMBLY FUSE 75 GRN/WHT WIRE HOT IN RUN OR START PARKTRONIC SYSTEM (PTS) CONTROL MODULE PTS ON/OFF SWITCH PTS WARNING INDICATOR (CENTER INSTRUMENT PANEL AIR OUTLET) PTS WARNING INDICATOR (DRIVER SIDE INSTRUMENT PANEL) PTS WARNING INDICATOR (REAR DOME LIGHT) REAR BUMPER PTS SENSOR ASSEMBLY REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE UPPER CONTROL FIELD CONTROL MODULE (TOP CENTER OF DASH) VIO WIRE W H (DATA) W V (+) (+) SV W V (-) (-) SV W V (DATA) WHT/RED WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 11 CAN-B L CAN-B H 1 2 CAN B L CAN B H 1 2 HKL HKL 1 2 HKS HKS 5 20 19 15 LF DOOR RF DOOR LR DOOR RR DOOR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FUSE 66 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT BACKREST HEATER ELEMENT LEFT FRONT DOOR SWITCH LEFT FRONT SEAT CUSHION HEATER ELEMENT LEFT REAR DOOR SWITCH PASSIVE RESTRAINT SYSTEM REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR SWITCH RIGHT FRONT MULTI-CONTOUR BACKREST CONTROL MODULE RIGHT FRONT MULTI-CONTOUR BACKREST SWITCH RIGHT FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER RIGHT FRONT SEAT) RIGHT FRONT SEAT CUSHION VENTILATION MOTOR GROUP RIGHT FRONT SEATBACK VENTILATION MOTOR GROUP RIGHT REAR DOOR SWITCH SUPPLEMENTAL RESTRAINTS SYSTEM TRNK TRUNK LID MICRO SWITCH VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE 64 FUSE 66 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT ESA CONTROL MODULE (UNDER LEFT FRONT SEAT) LEFT FRONT SEAT BELT BUCKLE MICROSWITCH (IN LEFT FRONT SEAT BELT BUCKLE) LEFT FRONT SEAT BELT COMFORT FEATURE SOLENOID (BASE OF LEFT "B" PILLAR) LEFT REAR SEAT BELT COMFORT FEATURE SOLENOID (BASE OF RIGHT "B" PILLAR) NCA WIRE REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) RED WIRE RED/BRN WIRE RED/VIO WIRE RIGHT FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER RIGHT FRONT SEAT) RIGHT FRONT SEAT BELT BUCKLE MICROSWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) RIGHT FRONT SEAT BELT COMFORT FEATURE SOLENOID (BASE OF RIGHT "B" PILLAR) RIGHT REAR SEAT BELT COMFORT FEATURE SOLENOID (BASE OF LEFT "B" PILLAR) VIO WIRE WHT WIRE

8 7 1 3 2 4 PNK WIRE AUTOMATIC DIMMING MIRROR BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ELECTRICALLY ADJUSTABLE, HEATED DRIVER-SIDE OUTSIDE REARVIEW MIRROR ELECTRICALLY ADJUSTABLE, HEATED RIGHT OUTSIDE REARVIEW MIRROR FOLDING MIRROR MOTOR FUSE 13 FUSE 77 GRN WIRE GRY WIRE HOT AT ALL TIMES INTERIOR REARVIEW MIRROR ASSEMBLY LEFT FOOTWELL) LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) MIRROR ADJUSTMENT MOTOR (IN/OUT) MIRROR ADJUSTMENT MOTOR (UP/DOWN) MIRROR HEATER NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH OVERHEAD CONTROL PANEL CONTROL MODULE (ABOVE CENTER REARVIEW MIRROR) PNK WIRE PNK/BLK WIRE PNK/RED WIRE PNK/VIO WIRE REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLK WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

1 2 3 4 30 31 CAN-B H CAN B-L 1 2 3 4 5 6 10 9 SR (+) SR (-) 31 UKB UKB BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FRONT SR OBSTRUCTION SENSOR FUSE 77 GRN WIRE HOT AT ALL TIMES OVERHEAD CONTROL PANEL CONTROL MODULE (ABOVE CENTER REAR VIEW MIRROR) REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLK WIRE SLIDING/POP-UP ROOF DRIVE ASSEMBLY (FRONT CENTER OF SLIDING DOOR) SR (SHD) OBSTRUCTION SENSOR UNIT (LEFT FRONT SIDE OF SLIDING DOOR) SR SWITCH VIO WIRE WHT WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CIRCUIT CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM FUSE 53 GRN WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE NCA WIRE PASSIVE RESTRAINTS SYSTEM PNK/RED WIRE REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) REAR SUNSHADE RELAY REAR WINDOW DEFROSTER RELAY RELAY RIGHT REAR BRAKE PAD WEAR SENSOR SUPPLEMENTAL RESTRAINTS SYSTEM TOWING SENSOR RELAY WHT WIRE

AIR PUMP (TOP FRONT SIDE OF ENGINE) AIR PUMP RELAY BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COOLING FANS SYSTEM ENGINE ELECTRONICS/ CHASSIS RELAY FUEL PUMP RELAY FUSE 29 FUSE 30 FUSE 31 FUSE 49 FUSE 52 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE PURGE CONTROL VALVE (LEFT REAR OF ENGINE COMPT) REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FUSE/ RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE THROTTLE VALVE ACTUATOR (REAR TOP CENTER OF ENGINE) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

AIR PUMP (TOP FRONT SIDE OF ENGINE) AIR PUMP RELAY BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COOLING FANS SYSTEM ENGINE ELECTRONICS/ CHASSIS RELAY FUEL PUMP RELAY FUSE 29 FUSE 30 FUSE 31 FUSE 49 FUSE 52 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE PURGE CONTROL VALVE (LEFT REAR OF ENGINE COMPT) REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FUSE/ RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE THROTTLE VALVE ACTUATOR (REAR TOP CENTER OF ENGINE) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE