Mercedes-Benz C-class AMG W204/S204/С204 (2007-2011) (left front footwell) Wiring diagrams

1 2 MOST MOST OUT MOST IN 2 1 MOST IN MOST OUT 5 6 7 8 WAKE-UP BLU/BLK WIRE BRN WIRE COMAND CONTROL UNIT (W/O AUDIO 50) RADIO W/ AUTO PILOT SYSTEM (W/ AUDIO 50) MEDIA INTERFACE CONTROL UNIT (AUX JACK) MOST OUT MOST IN ORG/ WIRE RED/WHT WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT WAKE-UP

1 2 MOST MOST OUT MOST IN 31 30 WAKE UP 31 CAN A H CAN A L AUDIO/ COMAND CONTROLLER AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CAN A H CAN A L 31 CAN A L GND SND RTN CAN A H CENTER INSTRUMENT PANEL SPEAKER COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM DELETE BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 11 FUSE 84 MODULE (LEFT SIDE OF TRUNK/CARGO AREA) GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LCT MOST DATA BUS CIRCUIT MULTI-FUNCTION ANTENNA NCA WIRE ORG/ WIRE ORG/WHT WIRE RADIO W/ AUTO PILOT SYSTEM REAR SAM CONTROL UNIT W/ FUSE, RELAY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SAT 1 2 3 4 SATELLITE DIGITAL AUDIO RADIO (SDAR) CONTROL UNIT SHIELD ANT W/O AUDIO 50 WHT WIRE YEL/BLK WIRE

1 2 CAN B L CAN B H 1 4 12 13 17 18 31 30 CAN E L CAN E H CAN B L CAN B H 12 31 6 5 31 31 RETURN LINE GSS, FA BBV HL BBV HR BFS BLU WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) 81 74 75 30 CAN E L CAN E H BRAKE FLUID, PARKING BRAKE WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH (IN DRIVER'S SEAT BELT BUCKLE) FLAT WIRE FLAT WIRE FLAT WIRE 5 4 31 SIG FUSE 15 FUSE 28 GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HOT W/ QUIESCENT CUT OUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BRAKE PAD WEAR SENSOR (AT RIGHT FRONT BRAKE ASSEMBLY) RIGHT REAR BRAKE PAD WEAR SENSOR (AT RIGHT REAR BRAKE ASSEMBLY) SEAT BELT REMINDER LAMP SERVICE BRAKE IND LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) WARNING BUZZER YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 (UNDER DRIVER'S SEAT) 39 6 27 13 12 BLS_L BLS_H BLS_M CAN E L CAN E H 4 8 CAN D L CAN D H AUTOMATIC TRANSMISSION TRANSMISSION MODE BUTTON BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN C L CAN C H D- D+ ELECTRONIC SELECTOR LEVER CONTROL MODULE (UNDER CENTER CONSOLE) ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT FRONT OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 16 FUSE 21 GEAR DISPLAY SENSOR GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED NCA WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE SELECTOR LEVER POSITION R, P LOCKING SOLENOID SHIFT GATE SYMBOL ILLUMINATION SIG STOPLAMP SWITCH (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/GRN WIRE YEL WIRE

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 28 FUSE 70 W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT TIRE PRESSURE SENSOR LEFT REAR TIRE PRESSURE SENSOR REAR SAM CONTROL UNIT RED/GRN WIRE RED/YEL WIRE RIGHT FRONT TIRE PRESSURE SENSOR RIGHT REAR TIRE PRESSURE SENSOR TIRE PRESSURE MONITOR CONTROL UNIT (LEFT SIDE OF TRUNK) TIRE PRESSURE MONITOR WARNING LAMP

1 3 CAN E H CAN E L 10 2 1 3 4 7 31 CAN E H CAN E L CAN B H CAN B L 18 17 CAN B H CAN B L 2 1 CAN E H CAN E L 30 31 4 5 31 SIG HOT W/ CIRCUIT 8 4 9 SIG GND SIG 9 10 CAN-B H CAN-B L ANST BLK/GRY WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN B L CAN B H COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENERGIZED 2 3 1 4 (+) LIN 2 31 FUSE 10 FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 13 FUSE 17 FUSE 27 GRN WIRE GRN/WHT WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LIN 2 MODEL CODE 204.0 NCA WIRE PNK/GRY WIRE RAIN/LIGHT SENSOR (IF EQUIPPED) (TOP CENTER OF WINDSHIELD) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE SPRAY NOZZLE HEATER SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) STEERING COLUMN MODULE CONTROL UNIT TAILGATE WINDSHIELD WIPER RELAY TAILGATE WIPER MOTOR VIO/YEL WIRE WINDSHIELD WASHER SYSTEM FLUID LEVEL SWITCH (BEHIND LEFT FRONT BUMPER) WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH WIPER MOTOR (AT LEFT REAR OF ENGINE COMPT) WIPER PARK HEATER (IF EQUIPPED) YEL/BLU WIRE