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

BLK WIRE BLK/RED WIRE BLS_H BLA BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE VACUUM SENSOR (W/ ECO START/STOP) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CAN E L 30 CAN D H COMPUTER DATA LINES SYSTEM DF HL M DF VL S DF HR S DF VL M DF VR S DF HR M DF HL S ECO 31 CAN D L ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE BALL VALVE FRONT AXLE SWITCHOVER VALVE FRONT PRESSURE SENSOR GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH PRESSURE, RETURN PUMP LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) LEFT REAR WHEEL SPEED SENSOR (LEFT REAR WHEEL) NCA WIRE PML CAN E H 31 PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE POWER STEERING PUMP QUANTITY CONTROL VALVE REAR AXLE INTAKE BALL VALVE REAR AXLE SWITCHOVER VALVE REAR PRESSURE SENSOR REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR WHEEL) SIG STOPLIGHT SWITCH (LEFT FRONT UPPER FOOTWELL) TRACTION SYSTEM HYDRAULIC UNIT (LEFT FRONT ENGINE COMPT) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

4 17 18 30 CAN B L CAN B H ANTILOCK BRAKE SYSTEM INDICATOR LAMP BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE ELECTRONIC STABILITY PROGRAM WARNING LAMP FUSE 1 FUSE 14 FUSE 20 FUSE 21 FUSE 28 WITH FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER PARKING BRAKE INDICATOR SWITCH PNK/BLU WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SERVICE BRAKE INDICATOR LAMP SPEED-SENSITIVE POWER STEERING SOLENOID VALVE (IF EQUIPPED) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR

BLK WIRE BLK/RED WIRE BLS_M BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE VACCUME SENSOR (W/ ECO START/STOP) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CAN E H BLA CAN E L DF VR M DF VL M DF HR S DF HL M BLS_L CAN H L COMPUTER DATA LINES SYSTEM DF HL S DF VL S DF HR M DF VR S ECO BLS_H CAN H H FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE BALL VALVE FRONT PRESSURE SENSOR GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH PRESSURE, RETURN PUMP LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (LEFT REAR WHEEL) NCA WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE POWER STEERING PUMP QUANTITY CONTROL VALVE PREMIUM ELECTRONIC STABILITY PROGRAM CONTROL UNIT REAR AXLE INTAKE BALL VALVE REAR PRESSURE SENSOR REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR WHEEL) SIG STOPLIGHT SWITCH (LEFT FRONT UPPER FOOTWELL) TRACTION SYSTEM HYDRAULIC UNIT (LEFT FRONT OF ENGINE COMPT) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

1 2 3 4 5 6 7 8 9 CAN-B H CAN-B L 10 11 12 13 14 15 16 LIN DATA AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU GRY/ WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE C-AAC SUN SENSOR (CENTER REAR OF ENGINE COMPT HOOD) COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF DASH) FUSE 12 GND (-) 31 GRN WIRE GRY BLU/ WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR HUMIDITY/ TEMPERATURE SENSOR (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR (LEFT SIDE OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) LEFT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (LEFT FRONT FOOTWELL AREA) LEFT SIDE AIR OUTLET TEMPERATURE SENSOR NCA WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL ELECTRONICS (W/O CAN) REAR AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) REAR WINDOW HEATER BUTTON RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE REFRIGERANT COMPRESSOR (LEFT FRONT ENGINE) REFRIGERANT PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SIG SIG SOLID STATE VIO/WHT WIRE WHT/BLU WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CAN B H CAN B L 4 3 2 1 SIG 6 7 CAN B L CAN B H AIR SIG SIG RE CIR- CULATION MODE BUTTON GND AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BRN GRY/ WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE C-AAC SUN SENSOR (CENTER REAR OF ENGINE COMPT HOOD) COMPUTER DATA LINES SYSTEM DIESEL DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF DASH) FRESH AIR/ RECIRCULATED AIR FLAP SWITCHOVER VALVE FUSE 12 GAS GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE SENSOR (LEFT SIDE OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN NTC (+) NTC (-) ORG/BRN WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL ELECTRONICS (W/O TILTING/ SLIDING ROOF) REAR GND 31 WINDOW HEATER BUTTON RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR (LEFT FRONT ENGINE) REFRIGERANT PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SOLID STATE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/ORG WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

AC HOUSING, BLK WIRE BLK/RED WIRE BLOWER MOTOR BLOWER REGULATOR BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 22 GRN/BRN WIRE GRY WIRE GRY/BLU WIRE HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (LEFT FRONT FOOTWELL AREA) LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION LEFT SIDE AIR OUTLET TEMPERATURE SENSOR REAR AIR OUTLET SYMBOL ILLUMINATION RED WIRE RED/GRN WIRE RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION USA VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR (W/ ECO START/ STOP FUNCTION) VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ AIR OUTLET SYMBOL ILLUMINATION W/ DIRECT SELECT W/O DIRECT SELECT WHT WIRE WHT/BRN WIRE YEL WIRE

3.0L TURBO EXCEPT 3.0L TURBO 43 41 54 45 44 41 54 LUES CAN E H CAN E L REG AIR DISTRIBUTION VENT FLAP ACTUATOR MOTOR BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BRN WIRE BRN/GRN WIRE COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (EXCEPT 3.0L TURBO: REAR OF LEFT CYLINDER BANK) DEFROSTER VENT FLAP ACTUATOR MOTOR ENGINE CONTROLS SYSTEM FRESH AIR/ RECIRCULATED AIR FLAPS ACTUATOR MOTOR (UNDER RIGHT SIDE OF DASH) FRONT PREFUSE (RIGHT FRONT FOOTWELL) FUSE FUSE 158 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT BLENDING AIR FLAP ACTUATOR PTC HEATER BOOSTER ELECTRICAL CONNECTOR PURGE CONTROL VALVE (EXCEPT 3.0L TURBO) RED WIRE RED/VIO WIRE RIGHT BLENDING AIR FLAP ACTUATOR TMOT VIO/GRN WIRE VIO/WHT WIRE WHT/BRN WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CAN B H CAN B L 30 GND 31 REAR WINDOW HEATER BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE C-AAC SUN SENSOR (CENTER REAR OF ENGINE COMPT HOOD) COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) EMISSIONS SENSOR EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF DASH) FUSE 12 GAS DIESEL GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE SENSOR (LEFT SIDE OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) LEFT SIDE AIR OUTLET TEMPERATURE SENSOR ORG/BRN WIRE OVERHEAD CONTROL PANEL CONTROL ELECTRONICS (W/O TILTING/SLIDING ROOF) RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR (LEFT FRONT ENGINE) REFRIGERANT PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SIG SIG SIG LIN GND LIN DATA SOLID STATE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/ORG WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BRN WIRE YEL/BRN WIRE YEL/VIO WIRE

1 2 5 4 3 31 30 30 LIN GND BLK/RED WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 22 GRN/BRN WIRE GRY WIRE GRY/BLU WIRE HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION REAR AIR OUTLET SYMBOL ILLUMINATION REAR AUTOMATIC AIR CONDITIONING OPERATING UNIT REAR BLOWER MOTOR REAR FOOTWELL AIR OUTLET TEMPERATURE SENSOR RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION SIG USA VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR (W/ ECO START/ STOP FUNCTION) VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ AIR OUTLET SYMBOL ILLUMINATION W/ DIRECT SELECT W/O DIRECT SELECT WHT WIRE YEL/VIO WIRE

3.0L TURBO 43 41 54 45 44 41 54 LUES CAN-H CAN-L REG AC HOUSING, AIR RE- CIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLOWER MOTOR BLOWER REGULATOR BRN WIRE BRN/GRN WIRE COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (EXCEPT 3.0L TURBO: REAR OF LEFT CYLINDER BANK) DIFFUSE FLAP ACTUATOR MOTOR ENGINE CONTROLS SYSTEM EXCEPT 3.0L TURBO FRONT PREFUSE (RIGHT FRONT FOOTWELL) FUSE FUSE 158 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT BLENDING AIR FLAP ACTUATOR (BEHIND CENTER OF DASH) LEFT CENTER AIR FLAP ACTUATOR MOTOR (UNDER CENTER OF DASH) LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR (BEHIND CENTER OF DASH) LEFT FOOTWELL FLAP ACTUATOR MOTOR (BEHIND LEFT FRONT OF CENTER CONSOLE) ME-SFI (ME) CONTROL MODULE (EXCEPT 3.0L TURBO) PTC HEATER BOOSTER ELECTRICAL CONNECTOR PURGE CONTROL VALVE REAR BLEND AIR FLAP ACTUATOR MOTOR (FRONT OF CENTER CONSOLE) REAR SAM SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/GRN WIRE RIGHT BLENDING AIR FLAP ACTUATOR (BEHIND CENTER OF DASH) RIGHT CENTER AIR FLAP ACTUATOR MOTOR (UNDER CENTER OF DASH) RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR (BEHIND CENTER OF DASH) RIGHT FOOTWELL FLAP ACTUATOR MOTOR (BEHIND RIGHT FRONT OF CENTER CONSOLE) SIG TMOT VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE