Mercedes-Benz E-class W212/S212/C207/A207 (2009-2013) computer data lines system Wiring diagrams

18 17 CAN B H CAN B L 31 30 CAN B L CAN B H 55 42 CAN C H CAN C L ALTERNATOR BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CDI CONTROL MODULE (LEFT REAR OF ENGINE COMPT) COMPUTER DATA LINES SYSTEM DISPLAY FRONT PREFUSE (RIGHT FRONT FUSE FOOTWELL) FUSE GLOW OUTPUT STAGE INSTRUMENT CLUSTER LIN NCA WIRE ON BOARD ELECTRICAL SYSTEM BATTERY (FRONT BATTERY) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE STARTER WHT/BLU WIRE

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

18 17 CAN B H CAN B L 31 30 CAN B L CAN B H 42 55 CAN C H CAN C L ALTERNATOR BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DISPLAY FRONT PREFUSE (RIGHT FRONT FUSE FOOTWELL) INSTRUMENT CLUSTER LIN ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) ON-BOARD ELECTRICAL SYSTEM BATTERY REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE STARTER

18 17 CAN B H CAN B L 31 30 CAN B L CAN B H 42 55 CAN C H CAN C L BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DISPLAY FRONT PREFUSE (RIGHT FRONT FUSE FOOTWELL) FRONT REAR BATTERY BATTERY FUSE INSTRUMENT CLUSTER LIN ME-SFI (ME) CONTROL MODULE (CENTER REAR OF ENGINE COMPT) NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE STARTER ALTERNATOR TERMINAL BLOCK (CIRCUIT 30)

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

BRN WIRE CAN-E L CAN-E H 30 31 COMPUTER DATA LINES SYSTEM FUSE 50 FUSE 51 GRN WIRE GRN/WHT WIRE LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (ON LEFT FRONT "B" PILLAR) REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) RED/VIO WIRE RED/WHT WIRE RELAY 2 ENERGIZED

1 2 3 4 31 30 WAKE UP 1 2 3 4 MOST OUT MOST IN 1 2 MOST OUT MOST IN 3 4 CAN-A H CAN-A L 31 CAN A L AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN B H 31 CAN B L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM DIGITAL AUDIO BROADCASTING CONTROL UNIT FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES DRIVER SIDE SAM CONTROL MODULE WITH FUSE/ FUSE 84 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON 14 15 16 MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/WHT WIRE RADIO (AUDIO 20) RADIO W/ AUTO PILOT SYSTEM (AUDIO 50) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RELAY MODULE (LEFT REAR OF ENGINE COMPT) SAT SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SHIELD ANT SHIELD ANT GPS W/ COMAND W/ DIRECT SELECT W/O COMAND W/O DIRECT SELECT WAKE-UP

1 2 3 4 5 6 7 8 RR (+) FR (+) FL (+) RL(+) RR(-) FR(-) FL(-) RL(-) 6 4 2 1 PNK WIRE AFM ANT BT SHIELD ANT GPS SHIELD ANTENNA AMPLIFIER AUDIO 20 AUDIO 50 AUX JACK ELECTRICAL CONNECTOR AUX-S BLK WIRE BLK/WHT WIRE BLUETOOTH ANTENNA (FRONT CENTER OF INTERIOR ROOF) BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE BTE GPS CAN-A H CAN-A L COMPUTER DATA LINES SYSTEM DAB FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER GRN WIRE INSIDE REAR VIEW MIRROR LEFT FRONT DOOR BASS SPEAKER (W/O SOUND SYSTEM) LEFT FRONT DOOR TWEETER (W/O SOUND SYSTEM) LEFT REAR DOOR BASS SPEAKER (W/O SOUND SYSTEM) LEFT REAR DOOR TWEETER (W/O SOUND SYSTEM) MOBILE PHONE, STATIONARY HEATER RADIO REMOTE CONTROL ANTENNA SPLITTER (TRUNK) MULTI-FUNCTION ANTENNA NCA WIRE ORG/ WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 MIC 1+ MIC 2+ SHIELD WIRE RADIO (AUDIO 20) RADIO WITH AUTO PILOT SYSTEM (AUDIO 50) RIGHT FRONT DOOR BASS SPEAKER (W/O SOUND SYSTEM) RIGHT FRONT DOOR TWEETER (W/O SOUND SYSTEM) RIGHT REAR DOOR BASS SPEAKER (W/O SOUND SYSTEM) RIGHT REAR DOOR TWEETER (W/O SOUND SYSTEM) SHIELD SHIELD FM VIO WIRE W/O TAXI ELECTRICAL SYSTEM WHT WIRE YEL WIRE

1 2 CAN-C H CAN-C L 12 13 CAN E L CAN E H 31 CAN C L CAN C H 31 SIG 4 8 3 24 37 30 37 19 25 40 BLS_L BLS_H BLS_M CAN E L CAN E H AUTOMATIC TRANSMISSION TRANSMISSION MODE BUTTON BASE PREMIUM BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CAN C L CAN C H CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM COUPE D- D+ DRIVER SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (CENTER CONSOLE) ELECTRONIC TRANSMISSION CONTROL CONTROL UNIT (SEDAN) FUSE 16 FUSE 21 GEAR INDICATOR SENSOR GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER NCA WIRE ORG/BRN WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE ASSEMBLY) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE RED WIRE RED/BLU WIRE SELECTOR LEVER POSITION R, P LOCKING SOLENOID SHIFT GATE SYMBOL ILLUMINATION SIG STOPLIGHT SWITCH (LEFT FRONT UPPER FOOTWELL) WHT WIRE WHT/GRN WIRE YEL WIRE