Mercedes-Benz CLS-class C257 (2017-2021) Automatic a/c circuit

2 3 CLUTCH (+) 6 7 SIG (+) AC HOUSING, BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE EMP SIG EVAPORATOR TEMPERATURE SENSOR FUSE 210 FUSE 3 FUSE 5 FUSE 6 GRN WIRE GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR MULTIPLE FUSE 2 MULTIPLE FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PTC HEATER BOOSTER REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SIG SIG SIG STATIONARY HEATER CONTROL UNIT TEMP SIG VALVE VEHICLE INTERIOR PREFUSE BOX WHT WIRE WHT/BLU WIRE WINDSHIELD HEATER CONTROL UNIT YEL WIRE YEL/VIO WIRE

AIR QUALITY SENSOR BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE COOLANT CIRCULATION PUMP DEFROSTER/ FOOTWELL/ CENTER AIR VENT FLAP ACTUATOR MOTOR DRIVER SIDE AIR VENT IONIZER ELECTRIC REFRIGERANT COMPRESSOR FRESH AIR/ RAM AIR/AIR RECALCULATION FLAP ACTUATOR MOTOR FUSE 855 GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT BLENDING AIR FLAP ACTUATOR LEFT FOOTWELL VENT/CENTER AIR VENT/ SIDE AIR VENT, REAR VENT FLAP ACTUATOR MOTOR LEFT SIDE AIR OUTLET TEMPERATURE SENSOR NCA WIRE PARTITION WALL BUSBAR PERFUME ATOMIZER GENERATOR (W/ AIR QUALITY PACKAGE) (IN GLOVE COMPT) PNK WIRE REAR AIR CONDITIONING OPERATING UNIT REAR BLEND AIR FLAP ACTUATOR MOTOR RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BLENDING AIR FLAP ACTUATOR RIGHT END OF DASH) RIGHT FOOTWELL VENT/ CENTER AIR VENT, SIDE AIR VENT FLAP ACTUATOR MOTOR RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SIG GND STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER W/ AIR QUALITY PACKAGE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN PER H CAN PER L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ELECTRIC COOLANT PUMP (BOTTOM RIGHT FRONT OF ENGINE) ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 117 FUSE 119 FUSE 209 FUSE 305 FUSE 311 FUSE 7 GND TMOT GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ CPC RELAY ENERGIZED LIN ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) NCA WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RAIN/LIGHT SENSOR RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH REFRIGERANT PRESSURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR) SIG SIG GND W/ REFRIGERANT COMPRESSOR MAGNETIC CLUTCH W/O REFRIGERANT COMPRESSOR MAGNETIC CLUTCH YEL WIRE YEL/BLK WIRE