Mercedes-Benz S-class W222/C217/A217 facelift (2017-2020) Automatic a/c circuit

3.0L TURBO 4.0L TURBO 6 7 TMP VD V A M K KK AC HOUSING, BLK WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L 20 21 SNS VL CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER SIDE AIR VENT IONIZER DRIVER-SIDE FUSE, RELAY MODULE FMTDE L FMTDE R FUSE 207 FUSE 27 FUSE 5 FUSE 6 GRN WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES HSK K MTDE VL MTDE VR MULTI FUSE 2 MULTI FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PERFUME ATOMIZER GENERATOR PNK DRK KLTM WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REAR AIR CONDITIONING OPERATING UNIT RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH SIG SIREN/ DOWN FUSE 209 SNS VR STDE VL 11 12 STDE VR TMP FR L TMP FR R TMP STD L TMP STD R USED) VEHICLE INTERIOR PREFUSE BOX VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE W/ AIR BALANCE PACKAGE W/ MAGNETIC CLUTCH W/ REFRIGERANT R744 W/O REFRIGERANT R744 4.0L TURBO W/O MAGNETIC CLUTCH WHT WIRE WHT/BLU WIRE WINDSHIELD HEATER CONTROL UNIT WP KML 7 8 YEL WIRE YEL/GRN WIRE

4.0L TRUBO AIR RECIRCULATION MODE BUTTON BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE CLIMATE CONTROL MENU BUTTON CLIMATE CONTROL MENU, RESIDUAL HEAT ON/OFF BUTTON CLIMATE CONTROL OPERATING UNIT DEFROST/ HEATED WINDSHIELD BUTTON GRN WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE LEFT AUTO BUTTON LEFT BLOWER BUTTON LEFT TEMPERATURE SELECTION BUTTON PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REAR WINDOW HEATER BUTTON RED WIRE RED/VIO WIRE RED/WHT WIRE RESIDUAL HEAT ON/OFF BUTTON RIGHT AUTO BUTTON RIGHT BLOWER BUTTON RIGHT TEMPERATURE SELECTION BUTTON STATIONARY HEATER BUTTON VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE W/ STATIONARY HEATER W/O STATIONARY HEATER WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

A V FOND VDF AC WATER VALVE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) GRN WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/ORG WIRE KMV RV LEFT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR LEFT A-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR LEFT REAR AIR CONDITIONING HEAT EXCHANGER TEMPERATURE SENSOR LEFT REAR CENTER AIR OUTLET ACTUATOR MOTOR NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REAR AIR CONDITIONING EVAPORATOR SHUTOFF VALVE REAR AIR CONDITIONING EVAPORATOR TEMPERATURE SENSOR REAR BLOWER MOTOR REAR OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR RIGHT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR RIGHT A-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR RIGHT REAR AIR CONDITIONING HEAT EXCHANGER TEMPERATURE SENSOR RIGHT REAR CENTER AIR OUTLET ACTUATOR MOTOR VDF TMP FOND VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE W/ AUTOMATIC AIR CONDITIONING W/ REAR AIR CONDITIONING WAV AUSG A WAV AUSG B WHT WIRE WHT/BLU WIRE WTT FOND L WTT FOND R WTV FOND L WTV FOND R YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

4.0L TURBO 4.0L TURBO 3.0L TURBO BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE EVAPORATOR TEMPERATURE SENSOR GRN WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE LEFT CENTER AIR VENT POTENTIOMETER LEFT DUOVALVE LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR LEFT REAR CENTER AIR VENT POTENTIOMETER LEFT SIDE AIR OUTLET TEMPERATURE SENSOR LEFT SIDE AIR VENT POTENTIOMETER NCA WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REAR BLOWER MOTOR REAR HEATING SYSTEM VALVE UNIT RED WIRE RED/VIO WIRE RED/WHT WIRE RIGHT CENTER AIR VENT POTENTIOMETER RIGHT DUOVALVE RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR RIGHT REAR CENTER AIR VENT POTENTIOMETER RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR RIGHT SIDE AIR VENT POTENTIOMETER SUN SENSOR (W/ TOP PROTECTION) VIO WIRE VIO/BRN WIRE W/ REAR AIR CONDITIONING WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COUPE COUPE, SEDAN FUSE 313 GRN WIRE GRN/RED WIRE GRN/VIO WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN MULTI-FUNCTION SENSOR ORG/BLK WIRE ORG/WHT WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT REAR SUN SENSOR RED WIRE RED/VIO WIRE RED/WHT WIRE SEDAN SIG VIO/BRN WIRE YEL WIRE

3.0L TURBO 4.0L TURBO AIR RECIRCULATION FLAP ACTUATOR MOTOR BLU/BLK WIRE BRN WIRE COOLANT THERMOSTAT HEATING ELEMENT ENGINE FUSE, RELAY MODULE FRESH AIR/RAM AIR FLAP ACTUATOR MOTOR FUSE 101 FUSE 103 GRN WIRE HOT W/ LEFT CENTER AIR OUTLET FLAP ACTUATOR MOTOR LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR LEFT FOOTWELL FLAP ACTUATOR MOTOR LEFT SIDE OUTLET FLAP ACTUATOR MOTOR LOWER LEFT BLENDING AIR FLAP ACTUATOR MOTOR LOWER RIGHT BLENDING AIR FLAP ACTUATOR MOTOR NCA WIRE PTC HEATER BOOSTER (IF EQUIPPED) (FRONT OF HVAC UNIT) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RELAY ENERGIZED RIGHT CENTER AIR OUTLET FLAP ACTUATOR MOTOR RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR RIGHT FOOTWELL FLAP ACTUATOR MOTOR RIGHT SIDE OUTLET FLAP ACTUATOR MOTOR UPPER LEFT BLENDING AIR FLAP ACTUATOR MOTOR UPPER RIGHT BLENDING AIR FLAP ACTUATOR MOTOR YEL WIRE

3.0L TURBO 4.0L TURBO A T KWTHS ACTUATOR MOTOR ATR BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H COC CAN B L CAN C H CAN C L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLANT TEMPERATURE SENSOR DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT E A TMOT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM FAN MOTOR FRONT SAM CONTROL UNIT (LEFT KICK PANEL) FUSE 200 FUSE 4 FUSE 405 FUSE 458 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER KMSD ME-SFI (ME) CONTROL UNIT OUTSIDE TEMPERATURE SENSOR REAR BACKREST REFRIGERATOR BOX REAR CUP HOLDER (SEDAN) REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE ROW CUP HOLDER, POWER OUTLET RELAY ENERGIZED ROW/TRUNK REFRIGERATOR BOX, POWER OUTLET RELAY ENERGIZED SEDAN VIO/ORG WIRE WHT/BRN WIRE YEL WIRE YEL/WHT WIRE