Mercedes-Benz C-class W204/S204 (2006-2011) (right side of trunk) Wiring diagrams

1 2 3 4 (+) (-) 31 (+) 1 2 5 4 CAN B L CAN B H 18 28 ZV SIG 3 2 FLAT WIRE FLAT WIRE 30 31 4 3 CAN-B H CAN-B L SIG SIG 5 6 7 8 9 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE CENTRAL MOTOR LOCKING COMPUTER DATA LINES SYSTEM FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 12 13 14 15 FUSE FUSE GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR EXIT, WARNING LAMP LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR DOOR HANDLE ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) LEFT REAR DOOR EXIT, WARNING LAMP (W/ INTERIOR LIGHTS PACKAGE) LEFT REAR DOOR LOCK REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/ CARGO AREA) RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR LOCK ROTARY TUMBLER SWITCH TAILGATE CONTROL BUTTON (W/ AUTOMATIC TAILGATE, KEYLESS GO) TANK CAP CENTRAL LOCKING MOTOR (RIGHT SIDE OF TRUNK) TRUNK LID RELEASE/ DRIVER TAILGATE CONTROL BUTTON W/ INTERIOR LIGHTS PACKAGE W/ KEYLESS W/O KEYLESS W/O KEYLESS W/ KEYLESS

10 9 CAN B L CAN B H 30 31 11 12 SIG SIG (+) (+) 31 30 CAN B L CAN B H 6 3 2 PNK WIRE 6 7 CAN B L CAN B H BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FL 31 31 FRONT DOME LAMP SWITCH FRONT SAM CONTROL UNIT FUSE 21 W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION SWITCH LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT REAR READING LAMP LEFT SUN LEFT FRONT VISOR MIRROR LAMP MIRROR LAMP SWITCH PNK WIRE PNK/YEL WIRE REAR DOME LAMP REAR DOME LAMP, SWITCH REAR INTERIOR LAMP REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT INTERIOR LAMP RIGHT FRONT MIRROR LAMP SWITCH RIGHT FRONT READING LAMP SWITCH RIGHT REAR READING LAMP RIGHT SUN VISOR MIRROR LAMP W/ AVANTGARDE, ELEGANCE W/ CLASSIC YEL WIRE

2 1 CAN-B H CAN-B L AMBIENT LAMP RIGHT READING LAMP BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR EXIT, WARNING LAMP FLAT WIRE FUSE 89 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR HANDLE ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) LEFT READING LAMP LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR HANDLE ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) LEFT TRUNK LAMP (MODEL CODE 204.2) LEFT TRUNK LID AMBIENT LAMP, WARNING LAMP MODEL CODE 204.0 PNK WIRE RED WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR HANDLE ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR HANDLE ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) RIGHT TRUNK LAMP RIGHT TRUNK LID AMBIENT LAMP, WARNING LAMP TRUNK LID EXTERNAL OPERATION SWITCH VIO WIRE WHT WIRE YEL WIRE

2 7 8 31 (+) (+) 30 31 CAN-B H CAN-B L BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM CONTROL UNIT) DRIVER SEAT CONTACTING STRIP FRONT PASSENGER SEAT CONTACTING FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT BACKREST HEATED CUSHION (IF EQUIPPED) LEFT FRONT HEATED SEAT BUTTON LEFT FRONT SEAT SITTING SURFACE HEATED CUSHION (IF EQUIPPED) LIN 1 31 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF RED WIRE RED/GRN WIRE RIGHT FRONT BACKREST HEATED CUSHION (IF EQUIPPED) RIGHT FRONT HEATED SEAT BUTTON RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION (IF EQUIPPED) STRIP TRUNK/CARGO AREA) UPPER CONTROL PANEL

1 2 3 4 5 6 7 8 9 (-) (+) (-) (+) (-) (+) (-) (+) 1 2 3 4 5 6 7 8 9 10 ANT GND ANT GND DATA GND DATA GND SIG SIG 1 2 3 4 5 6 7 8 9 10 ANT GND ANT GND SIG (-) SIG (-) SIG SIG 1 2 3 4 5 6 7 8 9 10 CAN B-L CAN B-H 17 18 12 13 CAN B L CAN B H CAN E L CAN E H 30 31 CAN-B H CAN-B L ANT SHIELD ANTENNA AMPLIFIER BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY DOOR OPENING ASSIST MOTOR FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT CLUSTER INTERIOR KEYLESS GO ANTENNA KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT LEFT REAR KEYLESS GO KEYLESS GO DOOR HANDLE DOOR HANDLE LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR DOOR LOCK NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DOOR LOCK RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR LOCK RIGHT REAR KEYLESS GO DOOR HANDLE ROTARY TUMBLER SWITCH SIG TRUNK LID KEYLESS GO BUTTON WHT WIRE YEL WIRE

1 2 3 4 5 6 30 RLS SIG SIG SIG SIG GND 1 2 3 4 5 6 7 8 LIN 2 1 2 3 4 5 6 IRS OFF IRS LED 30 32 31 29 28 27 SOS INFO WS INFO LED WS LED SOS LED 30 S GB 31 ASS LED ASS OFF 31 FL 8 7 6 5 4 3 2 1 SOS LED WS LED INFO LED AMBIENT LAMP AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN B H COMPASS DISPLAY BUTTON (USA) COMPASS MODULE W/ DISPLAY (USA) COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT EQUIPMENT) RAIN/LIGHT SENSOR (W/ RAIN/LIGHT SENSOR) (RAIN/LIGHT FRONT DOME LAMP SWITCH FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 FUSE 46 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GND NTC (+) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) INTERIOR PROTECTION, TOW-WAY PROTECTION CONTROL UNIT (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) LEFT RIGHT READING READING LAMP LAMP LIGHT SENSOR (W/ STANDARD LIN 2 NCA WIRE NTC- OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE POWER TOPS SYSTEM REAR DOME LAMP, SWITCH REAR SAM CONTROL UNIT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) SENSOR) (TOP CENTER OF WINDSHIELD) SIG LIN 2 TOWING SENSOR BUTTON (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) USA USA DRIVER'S SEAT) 1 2 3 4 5 6 7 8 9 10 W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) W/ MODEL CODE 204.2 WHT WIRE WS INFO SOS 31 YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 3 4 5 6 7 8 LIN 2 1 2 3 4 5 6 IRS OFF IRS LED 30 32 31 29 28 27 SOS INFO WS INFO LED WS LED SOS LED 30 S GB 31 ASS LED ASS OFF 31 FL 31 HS 1 HS(+) HS 2 MOTOR - MOTOR + 8 7 6 5 4 3 2 1 SOS LED WS LED INFO LED AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CAN B L CAN B H LIN 2 30 31 COMPASS DISPLAY BUTTON (USA) COMPASS MODULE W/ DISPLAY (USA) COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT FRONT DOME LAMP SWITCH FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 17 FUSE 46 GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) INTERIOR PROTECTION, TOW-WAY PROTECTION CONTROL UNIT (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT READING LAMP GARAGE DOOR OPENER LEFT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) LIN 2 NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK WIRE POWER TOPS SYSTEM REAR DOME LAMP, SWITCH REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RIGHT AMBIENT READING LAMP LAMP RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) TILTING/SLIDING ROOF SWITCH TOWING SENSOR BUTTON (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) USA VIO WIRE W/ MODEL CODE 204.2 WHT WIRE WS INFO SOS 31 YEL WIRE YEL/RED WIRE YEL/VIO WIRE

BRN WIRE CARGO AREA SOCKET FROM FUSE 60 (DIAGRAM 2 OF 5) FROM FUSE 84 (DIAGRAM 2 OF 5) FROM FUSE 67 (DIAGRAM FROM FUSE 74 (DIAGRAM FROM VEHICLE INTERIOR POWER OUTLET (DAIGRAM 2 OF 5) FUSE FUSE 51 FUSE 67 FUSE 68 RES FUSE 70 FUSE 72 FUSE FUSE FUSE FUSE FUSE 69 LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) PNK/BLK WIRE PNK/GRN WIRE REAR BASS SPEAKER AMPLIFIER (W/ SOUND SYSTEM) REAR WINDOW DEFROSTER RELAY RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RELAY(2) RES RES FUSE FUSE FUSE FUSE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) SOUND SYSTEM AMPLIFIER CONTROL UNIT (IF EQUIPPED) TIRE PRESSURE MONITOR CONTROL UNIT (IF EQUIPPED) TO FUSE 70 (DIAGRAM 3 OF 5) TO FUSE 75 (DIAGRAM 3 OF 5) TV TUNER CONTROL UNIT (IF EQUIPPED)

2 4 3 31 (+) (-) 31 30 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LIN 1 LIN 1 31 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW ROLLER SUN BLIND BUTTON REAR WINDOW ROLLER SUN BLIND MOTOR (IF EQUIPPED) (CENTER OF HAT SHELF) RED WIRE RED/GRN WIRE UPPER CONTROL PANEL CONTROL UNIT WHT WIRE YEL WIRE

AIR BAG SQUIB (IF EQUIPPED) BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER REAR SEAT BELT BUCKLE SWITCH COMPUTER DATA LINES SYSTEM DRIVER ETR (GUS) IGNITION SQUIB (AT BASE OF LEFT "B" PILLAR) DRIVER PELVIS AIR BAG SQUIB DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FRONT ELECTRICAL PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT PASSENGER ETR IGNITION SQUIB FRONT PASSENGER PELVIS FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FUSE 88 FUSE MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/ CARGO AREA) GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GS, HL+ GS, HL- SB,BF- SB,BF+ GS, HR+ GS, HR- PG, BF- PG, BF+ PG, FA+ PG, FA- CAK, FA CAK, BF HOT AT ALL TIMES HOT W/ INSTRUMENT CLUSTER LEFT REAR SEAT BELT BUCKLE SWITCH LEFT WINDOW AIR BAG IGNITION SQUIB (LEFT REAR OF ROOF) PNK WIRE REAR SAM CONTROL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB (IN RIGHT "C" PILLAR) RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT REAR SIDE BAG SQUIB (IF EQUIPPED) RIGHT WINDOW AIR BAG IGNITION SQUIB (RIGHT REAR OF ROOF) SB, FA- SB, FA+ (+) (-) WB, VR- WB, VR+ SB, HR+ SB, HR- SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE