Mercedes-Benz C-class AMG W204/S204/С204 (2007-2011) can b l can b h Wiring diagrams

12 13 17 18 CAN E L CAN E H CAN B L CAN B H 2 3 1 31 LIN 1 30 30 31 5 19 CAN-B H CAN-B L EWD 4 3 2 1 S_GB 30 6 5 4 3 2 1 ASS OFF ASS LED 31 6 5 4 3 2 1 OFF INTERIOR PROTECTION SWITCH ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP INSTRUMENT PANEL SWITCH GROUP BLK WIRE BLK/WHT 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 H CAN-B L COMPUTER DATA LINES SYSTEM DISPLAY EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK) ENGINE HOOD ANTI-THEFT ALARM SYSTEM SWITCH (W/ ANTI-THEFT ALARM SYSTEM) FAN RELAY MODULE FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 105 FUSE 17 FUSE 18 FUSE 46 FUSE 89 FUSE 90 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO INFO LED INSTRUMENT CLUSTER INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) IRS LED IRS-OFF LEFT INTERIOR PROTECTION TRANSMITTER LEFT REAR WINDOW GLASS BREAKAGE SENSOR NCA WIRE OF TRUNK) OFF TOWING SENSOR BUTTON 8 7 6 4 3 2 SOS LED WS LED INFO LED WS INFO SOS REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR SOS SOS LED W/ MODEL CODE 204.2 WHT WIRE WS LED YEL WIRE YEL/RED WIRE YEL/VIO WIRE

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

10 9 CAN B L CAN B H 21 22 RFL-R RFL-L 6 7 CAN C L CAN C H BACKUP CAMERA VOLTAGE SUPPLY MODULE BACKUP LAMP BACKUP LAMP SWITCH (M/T) (ON RIGHT REAR OF TRANSMISSION) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (A/T) (UNDER CENTER CONSOLE) FRONT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 106 ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT COMPUTER DATA LINES SYSTEM REAR LAMP BACKUP UNIT LAMP MODEL CODE 204.0 MODEL CODE 204.2 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RFL (+) RIGHT REAR LAMP UNIT WHT WIRE YEL WIRE

31 30 7 34 8 CAN B L CAN B H TG R 40 41 CAN C L CAN C H 41 54 CAN E H CAN E L 6 7 CAN C L CAN C H 7 6 24 5 GSS, BF RETURN LINE SBE GSS, FA 74 75 CAN-E L CAN-E H ACOUSTIC TURN SIGNAL LIGHT FUNCTION CHECK ANTI-LOCK BRAKE SYSTEM INDICATOR LAMP AREA) BBV HL BBV HR BFS BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP (EXCEPT USA) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B L CAN B H CAN E H CAN E L CAN-E L CAN-E H COMPUTER DATA LINES SYSTEM CONSOLE) COOLANT TEMPERATURE GAUGE DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH (IN DRIVER'S SEAT BELT BUCKLE) ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (UNDER CENTER ELECTRONIC STABILITY PROGRAM WARNING LAMP ELECTRONIC TRANSMISSION CONTROL UNIT ENGINE COOLANT TEMPERATURE MALFUNCTION INDICATOR ENGINE DIAGNOSIS MALFUNCTION INDICATOR LAMP FRONT PASSENGER SEAT OCCUPIED RECOGNITION (W/ SEAT BELT REMINDER WARNING) FUEL LEVEL INDICATOR FUEL RESERVE INDICATOR LAMP FUSE 28 GEAR DISPLAY (PRND) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HIGH BEAM INDICATOR LAMP INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LEFT FUEL LEVEL INDICATOR SENSOR (IN FUEL TANK) LEFT TURN SIGNAL IND LAMP ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR (AT RIGHT FRONT BRAKE ASSEMBLY) RIGHT FUEL LEVEL INDICATOR SENSOR (IN FUEL TANK) RIGHT REAR BRAKE PAD WEAR SENSOR (AT RIGHT REAR BRAKE ASSEMBLY) RIGHT TURN SIGNAL IND LAMP SEAT BELT REMINDER LAMP SERVICE BRAKE INDICATOR LAMP (USA) SIG SPEEDOMETER SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP TACHOMETER, BRIGHTNESS SENSOR TG L TIRE PRESSURE MONITOR WARNING LAMP (IF EQUIPPED) TRANSMISSION MODE DISPLAY VIO/GRN WIRE WARNING BUZZER YEL WIRE YEL/RED 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

1 2 CAN-B H CAN-B L 2 HS AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FUSE FUSE 106 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW ANTENNA AMPLIFIER 1 (IF EQUIPPED) (CENTER REAR OF ROOF) REAR WINDOW DEFROSTER RELAY REAR WINDOW HEATER REAR WINDOW HEATER BUTTON REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 RED WIRE VIO/WHT WIRE W/ MODEL CODE 204.0 W/ MODEL CODE 204.2

-1 +2 1-2, 3-4, 5-6, 7-8) 4 2 1 5 31 CAN B H CAN B L 30 7 8 6 FLAT WIRE FLAT WIRE FLAT WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM FLAT WIRE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 61 GND SIG GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/PNK WIRE HFE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT NCA WIRE OPERATION SWITCH REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED/WHT WIRE RED/YEL WIRE SIG TAILGATE CONTROL BUTTON (W/ AUTOMATIC TAILGATE, KEYLESS GO SYSTEM) TAILGATE CONTROL DRIVE UNIT TAILGATE CONTROL ELECTRIC MOTOR TAILGATE CONTROL HALL SENSOR TAILGATE CONTROL MAGNETIC CLUTCH TAILGATE CONTROL POSITION SENSOR TAILGATE CONTROL UNIT TAILGATE CONTROL WARNING BUZZER TRUNK LID CENTRAL LOCKING MOTOR (CENTER REAR OF TRUNK LID) TRUNK LID CONTACT SWITCH (IN TRUNK LID LATCH ASSEMBLY) TRUNK LID EMERGENCY OPENING SWITCH (TRUNK LID) TRUNK LID EXTERNAL TRUNK LID LOCKING ELEMENT W/ AUTOMATIC TAILGATE W/ MANUAL TAILGATE WHT/YEL WIRE YEL WIRE

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