Mercedes-Benz C-class AMG W204/S204/С204 (2007-2011) electronic ignition switch control unit Wiring diagrams

1 2 CAN-H H CAN-H L 1 2 CAN-I L CAN-I H PNK WIRE 13 12 CAN-E L CAN-E H 4 5 CAN-H H CAN-H L 53 40 42 55 41 54 PNK CAN-I L CAN-I H CAN-C H CAN-C L CAN-E H CAN-E L WIRE 74 75 CAN-E L CAN-E H ADAPTIVE DAMPING SYSTEM CONTROL UNIT (W/ ADAPTIVE DAMPING SYSTEM, ESP) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L DISTRONIC ELECTRIC CONTROLLER UNIT (IF EQUIPPED) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) PNK/WHT WIRE POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR (CAN I) RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE

AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CC CA CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA ELECTRIC STEERING LOCK CONTROL UNIT (TOP OF STEERING COLUMN) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FROM FUSE 101 (DIAGRAM 1 OF 5) FROM FUSE 111 (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FUSE FUSE 26 FUSE FUSE FUSE GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT W/ REAR BATTERY W/O REAR BATTERY WHT/RED WIRE

3 4 CAN B H CAN B L 41 40 CAN C H CAN C L BATTERY SENSOR (ON BATTERY) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN C H CAN C H CAN C L CAN C L CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL UNIT) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVEL MODULE CONTROL MODULE (A/T) (UNDER CENTER CONSOLE) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FULLY INTEGRATED TRANSMISSION CONTROL UNIT (7 SPEED A/T) FUSE 25 FUSE 5 FUSE 7 ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) ON-BOARD ELECTRICAL SYSTEM BATTERY PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RELAY SOLID STATE START ENABLE CLUTCH PEDAL SWITCH (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) STARTER STARTER CIRCUIT VIO WIRE VIO/WHT WIRE

1 2 3 4 5 6 CAN C H CAN C L 17 18 CAN B L CAN B H 31 CAN C L CAN C H 31 SIG 4 3 CAN B L CAN B H 87 GND AUTOMATIC TRANSMISSION MODE BUTTON AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH (W/ KEYLESS GO SYSTEM) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN C H CAN C L CLUTCH CONTROL SOLENOID COMPUTER DATA LINES SYSTEM D- D+ ELECTRIC STEERING LOCK CONTROL UNIT (TOP OF STEERING COLUMN) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (UNDER CENTER CONSOLE) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FULLY INTEGRATED TRANSMISSION CONTROL UNIT FULLY SELECTION INTEGRATED RANGE TRANSMISSION SENSOR CONTROL UNIT FUSE GEAR DISPLAY GEAR DISPLAY SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GRN WIRE GRY/BLU WIRE HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERNAL OUTPUT TRANSMISSION SHAFT SPEED RPM RPM SENSOR SENSOR MULTIDISK MULTIDISK BRAKE BRAKE CONTROL CONTROL SOLENOID SOLENOID PRND R/P S (+) R/P S (-) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SELECT LEVER POSITIONS R, P LOCKING SOLENOID SHIFT GATE SYMBOL ILLUMINATION TIPP (MASSE) TIPP (PLUS) TIPP (-) TIPP (+) TRANSMISSION MODE DISPLAY TRANSMISSION OIL TEMPERATURE SENSOR TURBINE WHEEL RPM SENSOR WHT WIRE WHT/GRN WIRE WORKING PRESSURE CONTROL SOLENOID VALVE 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