Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) computer data lines system Wiring diagrams

15 DF HR S BLS H DF HL M GND CAN H H BLK WIRE BLK/RED WIRE BLS L BLS SUP BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DF VL M DF VR S DF HR M DF HL S DF VL S CAN H L FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE BALL VALVE FRONT AXLE SWITCHOVER VALVE FRONT PRESSURE SENSOR GRN WIRE GRN/WHT WIRE HIGH PRESSURE, RETURN PUMP LEFT FRONT AXLE RPM SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) LEFT REAR AXLE RPM SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) NCA WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE REAR AXLE INTAKE BALL VALVE REAR AXLE SWITCHOVER VALVE REAR PRESSURE SENSOR 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 REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) SIG 31 TRACTION SYSTEM HYDRAULIC UNIT (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

4 17 18 30 CAN B L CAN B H ANTI-LOCK BRAKE SYSTEM INDICATOR LAMP BLU/BLK WIRE BLU/GRY WIRE BRAKE ASSEMBLY) BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CALIPER ASSEMBLY) COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM WARNING LAMP FRONT SAM CONTROL UNIT FUSE 1 FUSE 14 FUSE 20 FUSE 21 FUSE 28 W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CONTROL RELAY ENERGIZED INSTRUMENT CLUSTER NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING PNK/WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT AXLE RPM SENSOR (ON RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT FRONT BRAKE WEAR RIGHT REAR AXLE RPM SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) RIGHT REAR BRAKE WEAR SENSOR (ON RIGHT REAR BRAKE SENSOR (ON RIGHT FRONT BRAKE CALIPER ASSEMBLY) SERVICE BRAKE INDICATOR LAMP VIO/GRY WIRE YEL/RED WIRE

15 DF HR S BLS H DF HL M GND CAN H H BLK WIRE BLK/RED WIRE BLS L BLS SUP BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DF VL M DF VR S DF HR M DF HL S DF VL S CAN H L FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE BALL VALVE FRONT AXLE SWITCHOVER VALVE FRONT PRESSURE SENSOR GRN WIRE GRN/WHT WIRE HIGH PRESSURE, RETURN PUMP LEFT FRONT AXLE RPM SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) LEFT REAR AXLE RPM SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) NCA WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE REAR AXLE INTAKE BALL VALVE REAR AXLE SWITCHOVER VALVE REAR PRESSURE SENSOR 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 REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) SIG 31 TRACTION SYSTEM HYDRAULIC UNIT (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

4 17 18 30 CAN B L CAN B H ANTI-LOCK BRAKE SYSTEM INDICATOR LAMP BLU/BLK WIRE BLU/GRY WIRE BRAKE ASSEMBLY) BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CALIPER ASSEMBLY) COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM WARNING LAMP FRONT SAM CONTROL UNIT FUSE 1 FUSE 14 FUSE 20 FUSE 21 FUSE 28 W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CONTROL RELAY ENERGIZED INSTRUMENT CLUSTER NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING PNK/WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT AXLE RPM SENSOR (ON RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT FRONT BRAKE WEAR RIGHT REAR AXLE RPM SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) RIGHT REAR BRAKE WEAR SENSOR (ON RIGHT REAR BRAKE SENSOR (ON RIGHT FRONT BRAKE CALIPER ASSEMBLY) SERVICE BRAKE INDICATOR LAMP VIO/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLS V BLS_L BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BRAKE VACUUM SENSOR (ON BRAKE VACUUM BOOSTER ASSEMBLY) BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DF VL S DF VR (+) DF HR (+) DF HL S DF VL (+) CAN H L FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE SWITCHOVER VALVE FRONT AXLE INTAKE BALL VALVE FRONT PRESSURE SENSOR GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HIGH PRESSURE, RETURN PUMP LEFT FRONT AXLE RPM SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) LEFT REAR AXLE RPM SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) NCA WIRE REAR AXLE SWITCHOVER VALVE REAR AXLE INTAKE BALL VALVE REAR PRESSURE SENSOR REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) RIGHT REAR AXLE RPM SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) SIG 15 DF HR S BLS-H DF HL (+) BLS-M CAN H H SIG 31 STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TRACTION SYSTEM HYDRAULIC UNIT (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BRN 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 RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN GRY/ WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EVAPORATOR TEMPERATURE SENSOR (LOWER RIGHT SIDE OF HVAC EVAPORATOR ASSEMBLY) FRESH AIR/ RECIRCULATED AIR FLAP SWITCHOVER VALVE FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GAS DIESEL GND (-) 31 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 CENTER OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN NCA WIRE NTC (+) NTC (-) ORG/BRN WIRE OUTSIDE TEMPERATURE SENSOR (BEHIND CENTER OF FRONT BUMPER) OVERHEAD CONTROL PANEL CONTROL MODULE (W/ TILTING/SLIDING ROOF) OVERHEAD CONTROL PANEL ELECTRONICS (W/O TILTING/SLIDING ROOF) REAR WINDOW HEATER BUTTON RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR REGULATION VALVE RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR (IN RIGHT SIDE OF DASH) SIG SIG SOLID STATE SUN SENSOR (TOP CENTER OF DASH) 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/RED WIRE BLOWER MOTOR BLOWER REGULATOR BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT 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 (LEFT SIDE OF DASH) REAR AIR OUTLET SYMBOL ILLUMINATION RED WIRE RED/GRN WIRE RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR (TOP CENTER OF WINDSHIELD) VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ AIR OUTLET SYMBOL ILLUMINATION W/O DIRECT SELECT WHT WIRE WHT/BRN WIRE YEL WIRE

18 41 57 41 LUES 2.1L TURBO DIESEL AIR DISTRIBUTION FLAP ACTUATOR MOTOR (LEFT END OF HVAC UNIT) BLK/BLU WIRE BLK/RED WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (REAR OF LEFT CYLINDER BANK) DEFROSTER VENT FLAP ACTUATOR MOTOR (UPPER LEFT END OF HVAC UNIT) ENGINE CONTROLS SYSTEM EXCEPT 2.1L TURBO DIESEL FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 158 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT BLENDING AIR FLAP ACTUATOR (LOWER LEFT SIDE OF HVAC UNIT) LPV ME-SFI (ME) CONTROL MODULE (EXCEPT 2.1L TURBO DIESEL) PTC HEATER BOOSTER ELECTRICAL CONNECTOR PURGE CONTROL VALVE (LEFT FRONT OF ENGINE COMPT) RED WIRE RED/GRN WIRE RED/VIO WIRE RIGHT BLENDING AIR FLAP ACTUATOR (BOTTOM RIGHT CENTER OF HVAC UNIT) TMOT VIO/GRN WIRE VIO/WHT WIRE W/O ECO START/STOP FUNCTION WHT/BRN WIRE YEL WIRE

3-ZONE THERMOTRONIC) (RIGHT FRONT OF ENGINE COMPT) 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 COOLANT CIRCULATION PUMP (W/ 2-ZONE THERMATIC, FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 22 GRY WIRE GRY/BLU WIRE HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER LEFT FRONT SEAT) LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION LIN REAR AIR OUTLET SYMBOL ILLUMINATION REAR AUTOMATIC AIR CONDITIONING OPERATING UNIT REAR BLOWER MOTOR (UNDER REAR OF CENTER CONSOLE) RED/GRN WIRE RED/YEL WIRE RIGHT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER RIGHT FRONT SEAT) RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION SIG VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR (TOP CENTER OF WINDSHIELD) 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

2.1L TURBO DIESEL 57 41 18 41 LUES AC HOUSING, ACTUATOR MOTOR (TOP CENTER OF HVAC UNIT) AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLK/RED WIRE BLOWER MOTOR BLOWER REGULATOR BRN WIRE BRN/GRN WIRE CFG COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (REAR OF LEFT CYLINDER BANK) ENGINE CONTROLS SYSTEM EXCEPT 2.1L TURBO DIESEL FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 158 FUSE MODULE W/ FUSE/ RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT CENTER AIR OUTLET FLAP ACTUATOR MOTOR (LEFT FRONT OF HVAC UNIT) LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR (UPPER LEFT SIDE OF HVAC UNIT) LEFT DIFFUSE FLAP BLENDING AIR FLAP ACTUATOR (LOWER LEFT SIDE OF HVAC UNIT) LEFT FOOTWELL FLAP ACTUATOR MOTOR (LOWER LEFT SIDE OF HVAC UNIT) LPV ME-SFI (ME) CONTROL MODULE (EXCEPT 2.1L TURBO DIESEL) PTC HEATER BOOSTER ELECTRICAL CONNECTOR PURGE CONTROL VALVE (LEFT FRONT OF ENGINE COMPT) REAR BLEND AIR FLAP ACTUATOR MOTOR (BOTTOM LEFT OF HVAC UNIT) REAR SAM CONTROL RED WIRE RED/GRN WIRE RIGHT BLENDING AIR FLAP ACTUATOR (BOTTOM RIGHT CENTER OF HVAC UNIT) RIGHT CENTER AIR OUTLET FLAP ACTUATOR MOTOR (RIGHT FRONT OF HVAC UNIT) RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR (UPPER RIGHT SIDE OF HVAC UNIT) RIGHT FOOTWELL FLAP ACTUATOR MOTOR (LOWER RIGHT SIDE OF HVAC UNIT) SIG TMOT VIO/WHT WIRE W/O ECO START/STOP FUNCTION 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