Mercedes-Benz GLB-class X247 (2019-2023) Automatic a/c circuit

3 16 CLUTCH (+) AIR QUALITY SENSOR BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/VIO WIRE CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CENTRAL CONTROL MODULE EVAPORATOR TEMPERATURE SENSOR GND 26 27 ILLU (+) GND GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HAZARD SIG LEFT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR LEFT SIDE AIR VENT AIR OUTLET TEMPERATURE SENSOR NCA WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE REFRIGERANT PRESSURE SENSOR RIGHT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR RIGHT SIDE AIR VENT AIR OUTLET TEMPERATURE SENSOR SHD SIG SIG KLA STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TELEPHONE ANTENNA SPLITTER VALVE (+) SIG W/ AIR CONDITIONING YEL/GRN WIRE

BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR COOLANT THERMOSTAT HEATING ELEMENT DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR FINE PARTICLE SENSOR FUSE 103 FUSE 14 FUSE 143 FUSE 166 FUSE 27 FUSE 41 FUSE 52 FUSE 53 FUSE 54 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED ME-SFI (ME) CONTROL UNIT NCA WIRE POWER SUPPLY POTENTIAL DISTRIBUTOR 3 RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RELAY ENERGIZED SIG SIG GND VEHICLE INTERIOR FUSE, RELAY MODULE YEL/GRN WIRE

BLK/RED WIRE BLU WIRE BRN WIRE BRN/GRY WIRE CENTRAL AIR DISTRIBUTION ACTUATOR MOTOR CLIMATE CONTROL OPERATING UNIT FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR GRN WIRE GRN/VIO WIRE GRY/BLK WIRE LEFT BLENDING AIR FLAP ACTUATOR NCA WIRE RED/GRN WIRE RED/GRY WIRE REFRIGERANT COMPRESSOR REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH RIGHT BLENDING AIR FLAP ACTUATOR SIG STATIONARY HEATER FUEL PUMP STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT W/ AIR CONDITIONING W/ REFRIGERANT COMPRESSOR MAGNETIC CLUTCH W/O AIR CONDITIONING W/O REFRIGERANT COMPRESSOR MAGNETIC CLUTCH