Mercedes-Benz GL-class X166 (2012-2016) automatic air conditioning control, operating unit Wiring diagrams

11 12 SIG LI 6 7 SIG (+) AC HOUSING, AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN-B L (5 TO 7 PINS NOT USED) 8 COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP DEFOGGER SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 19 FUSE 235 FUSE 237 GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HIGH SIDE HOT AT ALL TIMES KMV SK (+) KOMP PWR 25 26 KOMP RV (-) LEFT BLENDING AIR FLAP ACTUATOR MOTOR LEFT CENTER AIR OUTLET FLAP ACTUATOR MOTOR LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR LEFT FOOTWELL FLAP ACTUATOR MOTOR LIN DATA NCA WIRE PNK/WHT WIRE PTC HEATER BOOSTER (IF EQUIPPED) REAR BLEND AIR FLAP ACTUATOR MOTOR W/ CUT OFF FUNCTION RED WIRE RED/BLK WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR RIGHT BLENDING AIR FLAP ACTUATOR MOTOR SIG SIG (9, 10 PINS NOT USED) 11 SIG RE VDF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

17 18 TEMP V SIG 6 7 SIG (+) AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP DEFOGGER SYSTEM FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 13 FUSE 19 FUSE 257 FUSE 32 FUSE 40 GND 20 21 GND 6 7 VENT V GRN/BLU WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HIGH SIDE HOT AT ALL TIMES HOT W/ CIRCUIT INTERIOR PREFUSE BOX KMV SK (+) KOMP PWR KOMP RV (-) CBR BG LIN DATA NCA WIRE ORG/ WIRE PNK/WHT WIRE REAR AIR CONDITIONING ELECTRONIC BLOWER CONTROLLER REAR BLOWER MOTOR RED WIRE RED/BLK WIRE RED/WHT WIRE SIG SIG LI 12 13 SIG RE TEMP KR SIG VDF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WAHZG WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

3.0L TURBO DIESEL 3.5L 4.6L TURBO 3.0L TURBO DIESEL 4.6L TURBO 3.5L AAV ACTIVATED CHARCOAL FILTER SHUTOFF VALVE AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CHARGE AIR COOLER CIRCULATION PUMP COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT PUMP TEMPERATURE SENSOR ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM FAN MOTOR (BEHIND RADIATOR) FUSE 215 FUSE 216 FUSE 219 FUSE 6 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ TURBO CHARGER RELAY ENERGIZED LUES ME-SFI (ME) CONTROL UNIT (4.6L TURBO, 3.5L) CDI CONTROL UNIT (3.0L TURBO DIESEL) PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE PWM RED WIRE RED/BLU WIRE REFRIGERANT PRESSURE SENSOR SIG TMOT VIO/WHT WIRE YEL/BLU WIRE YEL/WHT WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COMPARTMENT PREFUSE BOX BEHIND STEERING WHEEL) BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FT R ST FT-R-E-A FUSE 11 FUSE 19 FUSE 20 FUSE 205 FUSE 235 FUSE 239 FUSE 53 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (RIGHT KICK PANEL) SIG SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WINDSHIELD WASHER SYSTEM WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER ON/OFF RELAY WIPER LEVEL 1/2 RELAY WIPER MOTOR WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY WIPER SWITCH WP H(+) WP V(+) WWHZG WWS(-) WWS SIG

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 253 FUSE 52 HOT AT ALL TIMES INTERIOR PREFUSE BOX LEFT FRONT DOOR CONTROL MODULE LEFT OUTSIDE MIRROR MIRROR HEATER RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT OUTSIDE MIRROR SH(+) 61 SH(-) 31

ACTIVE ROLL STABILIZATION CONTROL UNIT AIRMATIC CONTROL UNIT (IF EQUIPPED) (IN LEFT REAR FOOTWELL) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BEHIND STEERING WHEEL) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN-S H CAN-S L COCKPIT POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR (CAN) COLLISION PREVENTION ASSIST CONTROLLER UNIT DVD PLAYER ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR BUMPER INTELLIGENT RADAR SENSOR LEFT REAR BUMPER RADAR SENSOR ME-SFI (ME) CONTROL UNIT (3.5L, 4.6L TURBO) CDI CONTROL UNIT (3.0L TURBO DIESEL) RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT REAR BUMPER RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIDEO, RADAR SENSOR SYSTEM CONTROL UNIT W/ REAR COMPARTMENT ENTERTAINMENT

360 DEGREE CAMERA CONTROL UNIT, BACKUP CAMERA AIRMATIC RELAY ALARM SIREN AUDIO/ COMAND DISPLAY AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BACKUP RELAY BLK WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY CIRCUIT 15 RELAY (UNLATCHED) COMAND CONTROL UNIT CONTROL UNIT) COOLANT RUN-ON PUMP RELAY DIGITAL AUDIO BROADCASTING CONTROL UNIT DIGITAL RADIO DIRECT SELECT INTELLIGENT SERVO MODULE DISTRONIC ELECTRIC CONTROL UNIT DRIVER SEAT CONTROL UNIT DVD PLAYER ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM MULTIPLE FUSE 1 (DIAGRAM 1 OF 4) FRONT PASSENGER SEAT CONTROL UNIT FUSE 1 FUSE 100 FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 105 FUSE 106 FUSE 156 FUSE 19 FUSE 2 FUSE 20 FUSE 201 FUSE 202 FUSE 203 FUSE 204 FUSE 205 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 21 FUSE 210 FUSE 211 FUSE 212 FUSE 22 FUSE 221 FUSE 222 FUSE 223 FUSE 224 FUSE 225 FUSE 226 FUSE 227 FUSE 228 FUSE 229 FUSE 230 FUSE 231 FUSE 232 FUSE 233 FUSE 234 FUSE 236 FUSE 237 FUSE 239 FUSE 3 FUSE 4 FUSE 5 FUSE 6 HEADLAMP CONTROL UNIT LEFT FRONT LAMP UNIT LEFT REAR DISPLAY MEDIA INTERFACE CONTROL UNIT MULTIFUNCTION CAMERA MULTIPLE FUSE 2 MULTIPLE FUSE 3 MULTIPLE FUSE 4 N/A N/A N/A PNK WIRE RCP (HBF) CONTROL UNIT RED WIRE RIGHT FRONT LAMP UNIT RIGHT REAR DISPLAY SAM CONTROL UNIT SATELLITE DIGITAL AUDIO RADIO CONTROL UNIT STARTER CIRCUIT 50 RELAY STATIONARY HEATER UNIT STEERING COLUMN MODULE CONTROL UNIT TAILGATE CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TURBO- CHARGER RELAY VIDEO, RADAR SENSOR SYSTEM W/ COMAND W/ ECO START/ STOP FUNCTION W/ REAR ENTERTAINMENT W/ XENON HEADLAMPS WHT WIRE WINDSHIELD WIPER ON/OFF RELAY WIPER LEVEL 1/2 RELAY WIPER PARK POSITION HEATER RELAY YEL WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 146 FUSE 256 HEATED REAR WINDOW RELAY HIGH SIDE HOT AT ALL TIMES INTERIOR PREFUSE BOX NCA WIRE REAR FUSE BOX REAR WINDOW HEATER REAR WINDOW WAVE TRAP RED WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BEHIND STEERING WHEEL) BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 11 FUSE 157 FUSE 19 FUSE 20 FUSE 205 FUSE 235 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH REAR FUSE BOX REAR WINDOW WIPER RELAY RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (RIGHT KICK PANEL) SIG STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY WIPER SWITCH WP H(+) WP V(+)