Mercedes-Benz C-class W204/S204 (2006-2011) yel Wiring diagrams

3 1 2 LIN 2 31 AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CENTER OF WINDSHIELD) COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 17 GARAGE DOOR OPENER GARAGE DOOR OPENER 1 GARAGE DOOR OPENER 2 GARAGE GARAGE DOOR DOOR OPENER OPENER 3 INDICATOR LAMP GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT RIGHT READING READING LAMP LAMP LIGHT SENSOR (STANDARD) RAIN/LIGHT SENSOR (OPTIONAL) (RAIN/LIGHT SENSOR: TOP LIN 2 31 OPTIONAL PNK WIRE REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED/BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 HR+ VR+ 1 2 3 4 MOST OUT MOST IN 6 4 2 1 PNK WIRE ANST ANT BT SHIELD ANT GPS SHIELD AUDIO/COMAND DISPLAY AUX GND AUX R AUX JACK ELECTRICAL CONNECTOR AUX SHIELD AUX L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLUETOOTH ANTENNA BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A L CAN A H DIAG (+) CAN B H 31 ON/OFF CAN B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM FM, AM, CL ANTENNA AMPLIFIER (CENTER FRONT OF ROOF) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 26 FUSE 16 GPS GPS 1 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HR- VR- INSTRUMENT CLUSTER, AUDIO/COMAND DISPLAY FAN MOTOR (UNDER LEFT SIDE OF DASH) LEFT FRONT DOOR BASS SPEAKER LEFT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) LEFT FRONT DOOR TWEETER MOBILE PHONE ELECTRICAL CONNECTOR MULTI-FUNCTION ANTENNA NCA NCA WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 MIC 1+ MIC 2+ SHIELD WIRE PNK WIRE RADIO W/ AUTO PILOT SYSTEM REAR WINDOW ANTENNA AMPLIFIER 1 (CENTER REAR OF ROOF) RED WIRE RED/WHT RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) RIGHT FRONT DOOR TWEETER SHIELD SHIELD FM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SOUND SYSTEMS VIO WIRE VL HL VL+ HL+ PNK WIRE VOICE CONTROL SYSTEM MICROPHONE W/ MODEL CODE 204.0 W/ MODEL CODE 204.2 WAKE-UP WHT WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 HR+ VR+ 1 2 3 4 MOST OUT MOST IN 6 4 2 1 PNK WIRE ANST AUDIO/COMAND DISPLAY AUX JACK ELECTRICAL CONNECTOR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A L CAN A H DIAG (+) CAN B H 31 ON/OFF CAN B L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 26 FUSE 16 GND MIC - AUX GND AUX R GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HR- VR- INSTRUMENT CLUSTER, AUDIO/COMAND DISPLY FAN MOTOR (UNDER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (W/O SOUND SYSTEM) MOBILE PHONE ELECTRICAL CONNECTOR NCA NCA WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 MIC 1+ MIC 2+ SHIELD MIC + AUX SHIELD AUX L WIRE PNK WIRE RED WIRE RED/WHT RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR SPEAKER (W/O SOUND SYSTEM) SOUND SYSTEMS VIO WIRE VL HL VL+ HL+ PNK WIRE VOICE CONTROL SYSTEM MICROPHONE W/ MOBILE PHONE PRE INSTALLATION W/O MOBILE PHONE PRE INSTALLATION WAKE-UP WHT WIRE WHT/YEL WIRE YEL WIRE

AFM ANT BT SHIELD ANT GPS SHIELD BLK WIRE BLUETOOTH ANTENNA BRN WIRE BRN/GRN WIRE BRN/ORG WIRE CANADA COMAND CONTROL UNIT DVD PLAYER (W/ REAR ENTERTAINMENT) FM 1 2 3 4 5 6 7 8 FM, AM, CL ANTENNA AMPLIFIER (CENTER FRONT OF ROOF) GPS GRN WIRE LEFT FRONT DOOR BASS SPEAKER LEFT FRONT DOOR TWEETER LEFT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) MULTI-FUNCTION ANTENNA NCA WIRE ORG/ WIRE REAR WINDOW ANTENNA AMPLIFIER 1 (CENTER REAR OF ROOF) RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) RIGHT FRONT DOOR TWEETER SHIELD SOUND GND SOUND-L SOUND SHIELD SOUND-R USA VIDEO-Y VIDEO-GND AUDIO-GND AUDIO-R VIDEO-C VIDEO-GND AUDIO SHIELD AUDIO-L W/ MODEL CODE 204.0 W/ MODEL CODE 204.2 YEL WIRE

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

AC HOUSING, ADAPTIVE DAMPING SYSTEM CONTROL UNIT (IF EQUIPPED) ALARM SIREN (IF EQUIPPED) ANTENNA AMPLIFIER (IF EQUIPPED) BATTERY BATTERY SENSOR BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMBUSTION ENGINE, AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR COMPT) FROM FUSE 103 (DIAGRAM 1 OF 1) FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE FRONT FUSE 126 FUSE 116 ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE 104 FUSE 105 FUSE 106 FUSE 111 FUSE 117 FUSE 129 FUSE 113 FUSE 114 RES RES RES RES RES FUSE FUSE FUSE FUSE FUSE FUSE FUSE 40 RES FUSE 46 FUSE 61 FUSE 64 FUSE 89 FUSE 90 FUSE 100 FUSE FUSE 91 FUSE FUSE GENERATOR GRN WIRE III ANTENNA (W/ DIGITAL AUDIO BROAD CASTING), NOT USED NOT USED QUIESCENT CURRENT CUTOUT RELAY REAR BLOWER MOTOR (W/ THERMOTRONIC) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RES FUSE 107 FUSE 101 FUSE 103 RES FUSE 121 RES FUSE 120 FUSE 119 RES RES FUSE 123 RES FUSE 125 RES FUSE 122 RES FUSE 124 RES FUSE 128 RES RES RES FUSE FUSE FUSE RSS AUS RSS EIN SPECIAL PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT TO FUSE (W/ TAXI) STARTER TAILGATE CONTROL UNIT (W/ AUTOMATIC TAILGATE) TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 5) TO FUSE TO FUSE 108 (DIAGRAM 1 OF 5) TO FUSE 87 (DIAGRAM 2 OF 5) VIO WIRE WHT WIRE YEL WIRE

BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY EMERGENCY DVD PLAYER CALL SYSTEM (IF EQUIPPED) CONTROL UNIT (IF EQUIPPED) FROM FUSE 41 (DIAGRAM FROM FUSE 46 (DIAGRAM FROM FUSE 61 (DIAGRAM 1 OF 1) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION (W/ SMOKER PACKAGE) FRONT VEHICLE INTERIOR POWER OUTLET (W/ NON- CG SMOKER PACKAGE) FUEL PUMP CONTROL MODULE FUEL PUMP RELAY MODULE FUSE FUSE 37 FUSE 38 FUSE 39 FUSE 41 FUSE 42 FUSE 54 FUSE 56 FUSE 59 FUSE 60 FUSE 71 FUSE 83 FUSE 86 FUSE 84 FUSE FUSE GRY WIRE GRY/BLU WIRE LEFT REAR DOOR CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP (IF EQUIPPED) NCA WIRE PNK PNK WIRE PNK WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RED/BLU (OR PNK/RED) WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY 1 RES FUSE RIGHT REAR DOOR CONTROL UNIT SEAT ADJUSTMENT RELAY TAILGATE WINDSHIELD WIPER RELAY TO FRONT SAM CONTROL W/ FUSE, RELAY MODULE (DIAGRAM 4 OF 5) TO FUSE 42 (DIAGRAM 2 OF 5) TO FUSE 74 (DIAGRAM TO FUSE 76 (DIAGRAM TO FUSE 85 (DIAGRAM TRAILER RECOGNITION CONTROL MODULE (W/ TOWING HITCH) VEHICLE INTERIOR POWER OUTLET (W/ REAR SOCKET) W/O W/ SMOKER SMOKER PACKAGE PACKAGE YEL WIRE

3 2 SIG SIG 30 RLS 5 4 SIG SIG 5 6 8 7 9 10 31 HS 1 HS 2 HS (+) MOTOR - MOTOR + 9 10 6 7 30 31 CAN B L CAN B H BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVE UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE HALL SENSOR 1 HALL SENSOR 2 HOT AT ALL TIMES FUSE 17 OVERHEAD CONTROL PANEL CONTROL MODULE (W/ POWER GLASS TILTING/SLIDING SUNROOF) OVERHEAD CONTROL PANEL ELECTRONICS PANORAMIC SLIDING ROOF CONTROL MODULE (LEFT FRONT OF ROOF) PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE ROOF MOTOR SENSOR 1 HALL SENSOR 2 HALL SIG SIG HS 2 SIG HS 1 SUN BLIND MOTOR TILTING/ SLIDING ROOF TILTING/ SLIDING ROOF SWITCH VIO WIRE W/ OVERHEAD CONTROL PANEL WHT WIRE YEL WIRE

1 2 3 4 31 30 WAKE UP 1 2 3 4 MIC - SHIELD MIC + 1 2 MOST OUT MOST IN BASS BASS SPEAKER BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CONTROL UNIT (LEFT SIDE OF TRUNK) DAB BAND III ANTENNA DIGITAL AUDIO BROADCASTING CONTROL UNIT FUSE 67 MODULE (LEFT SIDE OF TRUNK/CARGO AREA) FUSE 84 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER MOST MOST DATA BUS CIRCUIT MULTI-FUNCTION ANTENNA MUTE NCA WIRE ORG/ WIRE PNK WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY RED/BLU WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SURROUND SPEAKER SHIELD ANT SHIELD ANT SOUND SYSTEM AMPLIFIER SOUND SYSTEM MICROPHONE TV 1, DAB BAND III ANTENNA TWEETER TWEETER LEFT REAR SURROUND SPEAKER VIO WIRE W/ MODEL CODE 204.0 W/ MODEL CODE 204.2 WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE

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