Mercedes-Benz GL-class X166 (2012-2016) combination switch Wiring diagrams

ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR BEHIND STEERING WHEEL) BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLS H BLS L BLS M BLU/WHT WIRE BRN WIRE CAN H H CAN H L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CORNERING ILLUMI- NATION ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FUSE 1 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INFRARED LAMP INNER RIGHT REAR LAMP UNIT OUTER TURN SIGNAL LAMP PNK/BLK WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT FRONT EXTERIOR LIGHTS ACTUATION MODULE RIGHT FRONT LAMP UNIT RIGHT INSIDE TAILLIGHT RIGHT REAR FOG LAMP SIDE MARKER LAMP STANDING/ PARKING LAMP STEERING COLUMN MODULE STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TURN SIGNAL LAMP TURN SIGNAL LAMPS SWITCH VIO WIRE VIO/BLK WIRE VIO/WHT WIRE W/ XENON HEADLAMP W/0 XENON HEADLAMP WHT WIRE WHT/BLU 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

BEHIND STEERING WHEEL) BRN WIRE BRN/RED WIRE CAN B H CAN B L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FUSE 250 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HEADLAMP CLEANING SYSTEM PUMP HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR PREFUSE BOX LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LWR LWR IP RED/WHT WIRE SAM CONTROL UNIT SRA-P STEERING COLUMN MODULE CONTROL UNIT VIO/WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

55 L 55 R BEHIND STEERING WHEEL) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L IP COMBINATION SWITCH COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FUSE 114 FUSE 250 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HEADLAMP RANGE CONTROLLER HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATION SWITCH INSTRUMENT CLUSTER INTERIOR PREFUSE BOX LEFT DAYTIME RUNNING LAMPS HEADLAMP LEFT FOG LAMP LOW BEAM INDICATOR LAMP LOW BEAM SWITCH LWR NSI L OVERHEAD CONTROL PANEL CONTROL MODULE RAIN/LIGHT SENSOR REAR FOG LAMP BUTTON REAR FOG LAMP INDICATOR LAMP REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RIGHT DAYTIME RUNNING LAMPS HEADLAMP RIGHT FOG LAMP SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE CONTROL UNIT SYSTEM TFL L TFL R VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

30 L 30-R 57 L 57 R BATTERY COMPARTMENT PREFUSE BOX BEHIND STEERING WHEEL) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L IP COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT FOG LAMP BUTTON FUSE 114 FUSE 229 FUSE 231 FUSE 233 FUSE 250 FUSE 67 FUSE 68 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATION SWITCH INTERIOR PREFUSE BOX LEFT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR LEFT FRONT EXTERIOR LIGHTS LED ACTUATION MODULE LEFT FRONT LAMP UNIT LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR LEFT INFRARED LAMP LEFT LIGHT DISTRIBUTION ACTUATOR MOTOR LEFT XENON BULB W/ INTEGRATED IGNITION MODULE LEFT XENON LIGHT POWER SUPPLY MODULE LOW BEAM SWITCH NIGHT VIEW ASSIST BUTTON NSI L OVERHEAD CONTROL PANEL CONTROL MODULE PNK/WHT WIRE RAIN/LIGHT SENSOR (TOP CENTER OF WINDSHIELD) REAR FOG LAMP BUTTON REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RIGHT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR RIGHT FRONT EXTERIOR LIGHTS LED ACTUATION MODULE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT INFRARED LAMP RIGHT LIGHT DISTRIBUTION ACTUATOR MOTOR RIGHT XENON BULB W/ INTEGRATED IGNITION MODULE RIGHT XENON LIGHT POWER SUPPLY MODULE SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE CONTROL UNIT TFL L TFL R VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLK WIRE

ANTI-THEFT ALARM SYSTEM/EMERGENCY CALL SYSTEM BUTTON GROUP BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT CENTER CONSOLE CUPHOLDER ILLUMINATION FRONT CENTER CONSOLE ILLUMINATION FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FUSE 114 FUSE 152 FUSE 20 FUSE 250 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATED CUPHOLDER SEPARATION POINT INTERIOR PREFUSE BOX LDS 1 LDS 2 LDS 3 LIFTGATE CONTROL BUTTON SYMBOL ILLUMINATION NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT REAR CONTROL UNIT REAR FUSE BOX RED WIRE RED/BLK WIRE RED/WHT WIRE SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE (BEHIND STEERING WHEEL) SWITCH ILLUMINATION TAILGATE CONTROL BUTTON W/ INTERIOR LIGHTS PACKAGE WHT WIRE WHT/YEL WIRE

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BEHIND STEERING WHEEL) BLK WIRE BLU WIRE BRN WIRE BUTTONS +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CENTER HORNS BUTTON CLOCK SPRING CONTACT COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL (IF EQUIPPED) DRIVER AIR BAG IGNITION SQUIB 1 (IN STEERING WHEEL) DRIVER AIR BAG IGNITION SQUIB 2 FUSE 11 FUSE 20 GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/ HIGHBEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES INDICATOR OFF SWITCH SWITCH L OK LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LOW BEAM SWITCH LSP + MUTE BUTTON MUTE SBS NCA WIRE NTC- OK BUTTON PNK/BLU WIRE R RETURN RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/BACK BUTTON STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE STEERING WHEEL ANGLE SENSOR STEERING WHEEL DOWNSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL HEATER INDICATOR LAMP (IF EQUIPPED) STEERING WHEEL HEATER SWITCH (IF EQUIPPED) STEERING WHEEL UPSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON "BACK", VOICE CONTROL SYSTEM OFF BUTTON TURN SIGNAL LAMP SWITCH U MFL L TEL ANS/ END CALL UP/DOWN GND U MFL R UP/DOWN VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ STEERING WHEEL HEATER AUTOMATIC LANE RECOGNITION, LANE KEEPING ASSIST WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL 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(+)