Mercedes-Benz B-class W246 facelift (2014-2018) automatic air conditioning control, operating unit Wiring diagrams

AC HOUSING, AIR QUALITY SENSOR AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BF SIG BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION ACTUATOR MOTOR CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR F SIG FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FRONT EVAPORATOR SHUTOFF VALVE FUSE 211 FUSE 222 FUSE 241 FUSE 34 FUSE 81 GRN WIRE GRN/RED WIRE HEATED WINDSHIELD DEFROST BUTTON HEATER CIRCUIT CIRCULATION PUMP HOT AT ALL TIMES HOT W/ STARTER CIRCUIT 50 RELAY ENERGIZED INTERIOR TEMPERATURE SENSOR LEFT BLENDING AIR FLAP ACTUATOR MOT- ORG/ WIRE REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR RIGHT BLENDING AIR FLAP ACTUATOR S SIG SIG SOLID STATE SUN SENSOR VEHICLE INTERIOR FUSE BOX VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN L H CAN L L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 210 FUSE 238 HEATED WINDSHIELD HEATED WINDSHIELD RELAY HOT AT ALL TIMES HOT W/ STARTER CIRCUIT 50 RELAY ENERGIZED REAR WINDOW HEATER BUTTON RED/WHT WIRE RED/YEL WIRE WHT WIRE WHT/RED WIRE

ATA (EDW)/ TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT ATA (EDW)/TOWING SENSOR/INTERIOR MOTION SENSOR CONTROL UNIT AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BRN WIRE BRN/RED WIRE CAMERA COVER CONTROL UNIT CAN B H CAN B L CLA, GLA-CLASS B-CLASS ELECTRIC DRIVE COMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT INSTRUMENT CLUSTER INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE RIGHT FRONT DOOR CONTROL UNIT SAM CONTROL UNIT SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT STATIONARY HEATER UNIT TRAILER RECOGNITION CONTROL UNIT VIO WIRE W/ PANAROMIC GLASS, TOP SLIDING SUNROOF W/O PANAROMIC GLASS, TOP SLIDING SUNROOF

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT B-CLASS, CLA CLASS GLA CLASS BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLA CLASS COMPUTER DATA LINES SYSTEM FRONT ELECTRICAL PREFUSE BOX FUSE 2 FUSE 23 FUSE 24 FUSE 34 FUSE 35 30 GRN WIRE HEATED REAR WINDOW HEATED REAR WINDOW RELAY HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR MIRROR HEATER REAR WINDOW HEATER BUTTON REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR VEHICLE INTERIOR FUSE BOX WHT WIRE YEL/RED WIRE

AMPLIFIER CONTROL UNIT AUDIO COMAND CONTROL PANEL AUDIO/ COMAND DISPLAY AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY MANAGEMENT SYSTEM BATTERY SENSOR BLK WIRE BLU/WHT WIRE BRN WIRE CONTROL UNIT) DRIVER SEAT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT FAN MOTOR FRONT PASSENGER SEAT CONTROL UNIT FUSE 1 FUSE 2 FUSE 21 FUSE 22 FUSE 27 FUSE 3 FUSE 32 FUSE 33 FUSE 34 FUSE 36 FUSE 37 FUSE 38 FUSE 39 FUSE 4 FUSE 5 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 6 FUSE 61 FUSE 62 FUSE 63 FUSE 7 FUSE 73 FUSE 74 FUSE 75 FUSE 76 FUSE 77 FUSE 8 FUSE 98 GATEWAY FOR POWERTRAIN CONTROL UNIT GRN/BRN WIRE GRN/RED WIRE KEYLESS-GO CONTROL UNIT N/A NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY OVERHEAD CONTROL PANEL CONTROL UNIT PARK PAWL ACTUATOR MOTOR CIRCUIT 87 RELAY PARK PAWL CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SAM CONTROL UNIT SOUND SYSTEM SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 6 OF 6) TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 2 OF 6) TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 3 OF 6) TO FUSE 109 (DIAGRAM 2 OF 6) TO FUSE 47 (DIAGRAM 3 OF 6) TO FUSE 60 (DIAGRAM 5 OF 6) TRAILER RECOGNITION CONTROL UNIT UHI VEHICLE INTERIOR FUSE BOX VIO/RED WIRE W/ MEMORY WHT/BRN WIRE WHT/RED WIRE

AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COOLANT PUMP SWITCHOVER VALVE BATTERY COOLING SYSTEM COOLANT PUMP 1 BATTERY COOLING SYSTEM COOLANT PUMP 2 BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAN EL H CAN EL L COMPUTER DATA LINES SYSTEM ELECTRIC DRIVE, CHARGER COOLANT PUMP FUSE 28 GRN WIRE GRN/BLU WIRE HEATER CIRCUIT CIRCULATION PUMP HOT W/ CIRCUIT 15 RELAY ENERGIZED ORG/ WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR VACUUM SENSOR SIG VEHICLE INTERIOR FUSE BOX VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE