Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) automatic air conditioning control, operating unit Wiring diagrams

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

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 6 7 CAN B L CAN B H AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EMISSIONS SENSOR (RIGHT REAR OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (LOWER RIGHT SIDE OF HVAC EVAPORATOR ASSEMBLY) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GAS DIESEL GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE INTERIOR TEMPERATURE SENSOR (LEFT CENTER OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (LEFT FRONT FOOTWELL AREA) LEFT SIDE AIR OUTLET TEMPERATURE SENSOR (LEFT SIDE OF DASH) NCA WIRE ORG/BRN WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (W/ TILTING/SLIDING ROOF) OVERHEAD CONTROL PANEL ELECTRONICS (W/O TILTING/SLIDING ROOF) RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR REGULATION VALVE REFRIGERANT LINE) REFRIGERANT PRESSURE SENSOR RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF DASH) SENSOR W/ INTEGRATED FAN SIG SIG LIN GND LIN DATA SOLID STATE SUN SENSOR (TOP CENTER OF DASH) 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

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

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

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 6 7 CAN B L CAN B H AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EMISSIONS SENSOR (RIGHT REAR OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (LOWER RIGHT SIDE OF HVAC EVAPORATOR ASSEMBLY) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GAS DIESEL GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE INTERIOR TEMPERATURE SENSOR (LEFT CENTER OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (LEFT FRONT FOOTWELL AREA) LEFT SIDE AIR OUTLET TEMPERATURE SENSOR (LEFT SIDE OF DASH) NCA WIRE ORG/BRN WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (W/ TILTING/SLIDING ROOF) OVERHEAD CONTROL PANEL ELECTRONICS (W/O TILTING/SLIDING ROOF) RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR REGULATION VALVE REFRIGERANT LINE) REFRIGERANT PRESSURE SENSOR RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF DASH) SENSOR W/ INTEGRATED FAN SIG SIG LIN GND LIN DATA SOLID STATE SUN SENSOR (TOP CENTER OF DASH) 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

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

1 2 3 CAN-B H CAN-B L 31 1 2 CAN BH CANB L 1 2 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 11 9 CAN-B H CAN-B L 12 6 CAN-A H CAN-A L 17 3 CAN B H CAN B L 2 1 CAN-B H CAN-B L 24 18 CAN B-H CAN B-L 3 12 CAN-B H CAN-B L 30 31 CAN-B H CAN-B L 6 5 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L 8 7 CAN-B L CAN-B H AIR SCARF SYSTEM CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CAN-D H CAN-D L CAN-G H CAN-G L COMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT (UNDER DRIVER FRONT SEAT) ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE KEYLESS GO CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) LEFT FRONT DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR PANORAMIC SLIDING ROOF CONTROL MODULE (CENTER FRONT OF ROOF) PNK WIRE PNK/GRN WIRE PNK/WHT WIRE RADIO SIDE OF LUGGAGE COMPT) YEL WIRE YEL/WHT WIRE

1 2 3 CAN-B H CAN-B L 31 1 2 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 11 9 CAN-B H CAN-B L 12 6 CAN-A H CAN-A L 17 3 CAN B H CAN B L 2 1 CAN-B H CAN-B L 24 18 CAN B-H CAN B-L 3 12 CAN-B H CAN-B L 30 31 CAN-B H CAN-B L 6 5 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L 8 7 CAN-B L CAN-B H AIR SCARF SYSTEM CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CAN-D H CAN-D L COMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT (UNDER DRIVER FRONT SEAT) ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF GRY WIRE GRY/WHT WIRE KEYLESS GO CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) LEFT FRONT DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR PANORAMIC SLIDING ROOF CONTROL MODULE (CENTER FRONT OF ROOF) PNK/GRN WIRE RADIO SIDE OF LUGGAGE COMPT) YEL WIRE YEL/WHT WIRE

1 2 3 CAN-B H CAN-B L 31 1 2 CAN BH CANB L 1 2 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 11 9 CAN-B H CAN-B L 12 6 CAN-A H CAN-A L 17 3 CAN B H CAN B L 2 1 CAN-B H CAN-B L 24 18 CAN B-H CAN B-L 3 12 CAN-B H CAN-B L 30 31 CAN-B H CAN-B L 6 5 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L 8 7 CAN-B L CAN-B H AIR SCARF SYSTEM CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CAN-D H CAN-D L CAN-G H CAN-G L COMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT (UNDER DRIVER FRONT SEAT) ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE KEYLESS GO CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) LEFT FRONT DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR PANORAMIC SLIDING ROOF CONTROL MODULE (CENTER FRONT OF ROOF) PNK WIRE PNK/GRN WIRE PNK/WHT WIRE RADIO SIDE OF LUGGAGE COMPT) YEL WIRE YEL/WHT WIRE

1 2 3 CAN-B H CAN-B L 31 1 2 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 11 9 CAN-B H CAN-B L 12 6 CAN-A H CAN-A L 17 3 CAN B H CAN B L 2 1 CAN-B H CAN-B L 24 18 CAN B-H CAN B-L 3 12 CAN-B H CAN-B L 30 31 CAN-B H CAN-B L 6 5 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L 8 7 CAN-B L CAN-B H AIR SCARF SYSTEM CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CAN-D H CAN-D L COMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT (UNDER DRIVER FRONT SEAT) ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF GRY WIRE GRY/WHT WIRE KEYLESS GO CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) LEFT FRONT DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR PANORAMIC SLIDING ROOF CONTROL MODULE (CENTER FRONT OF ROOF) PNK/GRN WIRE RADIO SIDE OF LUGGAGE COMPT) YEL WIRE YEL/WHT WIRE