Mercedes-Benz E-class W212/S212/C207/A207 (2009-2013) electronic ignition switch control unit Wiring diagrams

1 2 CAN-C H CAN-C L 2 1 CAN-C H CAN-C L 3 4 CAN B H CAN B L ALTERNATOR BLK WIRE BLK/BLU WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN C H CAN C H CAN C L CAN C L CDI CONTROL MODULE (LEFT REAR OF ENGINE COMPT) CHARGING CIRCUIT CLUTCH PEDAL SWITCH (M/T) COMPUTER DATA LINES SYSTEM D- D+ DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (CENTER CONSOLE) ELECTRONIC TRANSMISSION CONTROL UNIT FRONT PREFUSE (RIGHT FRONT FUSE FOOTWELL) FUSE FUSE 25 FUSE 5 FUSE 7 INTELLIGENT SERVO MODULE FOR DIRECT SELECT (TRANSMISSION HOUSING) NCA WIRE NITROGEN OXIDES CONTROL UNIT DOWN STREAM OF DIESEL PARTICULATE FILTER NITROGEN OXIDES CONTROL UNIT DOWN STREAM OF SCR CATALYTIC CONVERTER ON BOARD ELECTRICAL SYSTEM BATTERY (FRONT BATTERY) REAR SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT SIDE SOLID OF TRUNK) STATE RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY STARTER STARTER CIRCUIT STR+ WHT WIRE

3 4 CAN B H CAN B L BATTERY SENSOR 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 D- D+ DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (CENTER CONSOLE) FUSE 25 FUSE 5 FUSE 7 ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) ON-BOARD ELECTRICAL SYSTEM BATTERY PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT SIDE SOLID OF TRUNK) STATE RED WIRE RED/BLU WIRE RELAY START ENABLE CLUTCH PEDAL SWITCH (M/T) STARTER STARTER CIRCUIT VIO WIRE VIO/WHT WIRE

2 1 CAN-C H CAN-C L 3 4 CAN B H CAN B L BLK/BLU WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN C H CAN C H CAN C L CAN C L CHARGING CIRCUIT CLUTCH PEDAL SWITCH (M/T) COMPUTER DATA LINES SYSTEM CONTROL UNIT) D- D+ ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (CENTER CONSOLE) ELECTRONIC TRANSMISSION FUSE 25 FUSE 5 FUSE 7 INTELLIGENT SERVO MODULE FOR DIRECT SELECT (TRANSMISSION HOUSING) ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) NCA WIRE REAR SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT SIDE SOLID OF TRUNK) STATE RED/YEL WIRE RELAY STARTER STARTER CIRCUIT STR+ VIO/WHT WIRE WHT WIRE

1 2 3 4 5 6 7 8 9 10 CAN-E L CAN-E H CAN-B L CAN-B H DATA 31 1 2 CAN-C H CAN-C L 12 13 17 18 CAN E L CAN E H CAN B L CAN B H 56 42 55 STR CAN-C H CAN-C L AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STEERING LOCK CONTROL MODULE (ON STEERING COLUMN) FAN RELAY MODULE FUSE 19 FUSE 27 FUSE 7 GRN WIRE GRN/WHT WIRE HORNS SYSTEM HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED INSTRUMENT CLUSTER ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) RED WIRE RED/GRN WIRE STARTER STARTER CIRCUIT 50 RELAY STARTING/ CHARGING SYSTEM VIO WIRE VIO/WHT WIRE W/ KEYLESS GO W/O KEYLESS GO WHT/RED WIRE

1 2 3 4 5 6 7 8 9 10 CAN E L CAN E H CAN B H CAN B L DATA 1 2 30 UB 1 2 CAN-C H CAN-C L 12 13 17 18 CAN E L CAN E H CAN B L CAN B H 31 42 55 STR CAN-C H CAN-C L AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH (W/ KEYLESS GO) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM CONTROL UNIT (VGS)) DATA DRIEVR SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STEERING LOCK CONTROL MODULE (ON STEERING COLUMN) ELECTRONIC TRANSMISSION CONTROL UNIT EZS BACKUP 31 TK P NOT FAN RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL (VSG) CONTROL UNIT (INTEGRAL TO ELECTRIC FUSE FUSE 1 FUSE 7 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES FUSE BOX HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED INSTRUMENT CLUSTER ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE STARTER STARTER CIRCUIT 50 RELAY STARTING/ CHARGING SYSTEM VIO/WHT WIRE W/ DIRECT SELECT W/O DIRECT SELECT WHT WIRE WHT/RED WIRE

1 2 CAN-H H CAN-H L 26 14 38 23 CAN-H H CAN-H L 3 2 CAN-H H CAN-H L 3 6 CAN-H H CAN-H L 37 24 40 25 CAN-E H CAN-E L 42 55 41 54 CAN-C H CAN-C L CAN-E H CAN-E L 5 2 CAN-E H CAN-E L ADAPTIVE DAMPING SYSTEM CONTROL UNIT (IF EQUIPPED) 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) (FRONT CENTER ENGINE COMPT) ELECTRICAL POWER STEERING CONTROL UNIT (IF EQUIPPED) ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPT) CDI CONTROL MODULE (3.0L TURBO) (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE ME-SFI (ME) CONTROL MODULE (EXCEPT 3.0L TURBO) (CENTER REAR OF MULTI-FUNCTION CAMERA (IF EQUIPPED) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (FRONT OF CENTER CONTROL MODULE) VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE W/ ESP PREMIUM W/ ESP BASIC YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR

1 2 CAN-B H CAN-B L 1 2 CAN-E L CAN-E H 1 2 CAN-H H CAN-H L 10 11 CAN-H H CAN-H L 13 12 18 17 CAN-E H CAN-E L CAN-B H CAN-B L 2 1 CAN-B L CAN-B H 3 2 CAN-H H CAN-H L 3 6 CAN-H H CAN-H L 37 24 CAN-E H CAN-E L 38 23 CAN-H H CAN-H L 40 25 CAN-E H CAN-E L 5 6 CAN-E L CAN-E H 6 7 CAN-E H CAN-E L AIRMATIC W/ ADS CONTROL MODULE (IF EQUIPPED) (UNDER RIGHT SIDE OF DASH) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT (2, 3 ZONES THERMATIC) BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E H CAN E L CAN E L DISTRONIC ELECTRIC CONTROLLER UNIT (W/ DISTRONIC PLUS) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER NIGHT VISION ASSIST CONTROL UNIT (IF EQUIPPED) PARKTRONIC CONTROL UNIT (IF EQUIPPED) PREMIUM ELECTRONIC STABILITY PROGRAM CONTROL UNIT (W/ ESP PREMIUM) RADAR SENSOR CONTROL UNIT (W/ DISTRONIC, W/ BLIND SPOT ASSIST) STEERING WHEEL HEATER CONTROL UNIT VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE W/ ESP BASIC W/ ESP PREMIUM YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR (W/ ESP PREMIUM)

AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA DISTRONIC ELECTRIC CONTROLLER UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STEERING LOCK CONTROL MODULE (ON STEERING COLUMN) FROM FRONT PREFUSE (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE FUSE 26 FUSE 33 FUSE 34 FUSE 35 FUSE 36 FUSE FUSE FUSE GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT WHT/RED WIRE

ADDITIONAL BATTERY AUTOMATIC TRANSMISSION TRANSMISSION MODE BUTTON (W/ AIRMATIC) BLK/VIO WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA DISTRONIC ELECTRIC CONTROLLER UNIT DRIVER SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC TRANSMISSION CONTROL CONTROL UNIT EZS BACKUP FROM FRONT PREFUSE (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FROM REAR PREFUSE (DIAGRAM 1 OF 5) FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE FUSE 1 FUSE 33 FUSE 34 FUSE 36 FUSE BOX FUSE FUSE FUSE FUSE FUSE FUSE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE NIGHT VISION ASSIST CONTROL UNIT P NOT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SUSPENSION BUTTON GROUP (W/ AIRMATIC) W/ DIRECT SELECT W/ FRONT BATTERY W/ W/O KEYLESS KEYLESS GO GO W/O DIRECT SELECT W/O DIRECT SELECT RIGHT FRONT DOOR CONTROL UNIT W/O FRONT BATTERY WHT/RED WIRE

17 18 CAN B L CAN B H A S DK AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN BLK/ WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM COUPE DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE DIAGNOSIS IND LAMP FUEL PRESSURE SENSOR (ON LEFT FUEL RAIL) FUEL PUMP (FP) (UNDER RIGHT REAR SEAT, IN FUEL TANK) FUEL PUMP CONTROL UNIT FUSE FUSE 32 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY BLK/ WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER IPM LSIK LSHK (+) (+) SV (+) SV ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) NCA WIRE NWG M NWSA 1 NWSE 2 ORG/ WIRE PNK/BLK WIRE PNK/RED WIRE PNK/WHT WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO (OR RED) WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY AIR INJECTION RELAY SEDAN SIG SLV THS STARTING/CHARGING SYSTEM VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/YEL WIRE W/ DIRECT SELECT W/O DIRECT SELECT WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE ZUE 1 ZUE 3 ZUF 2 ZUE 4 ZUE 6 ZUE 5