Mercedes-Benz GLS-class X166 (2015-2019) cockpit circuit 30 fuse box Wiring diagrams

ABS IND. BFS BLA BLU/BLK WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING IND LAMP BRN WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM DIGITAL TACHOGRAPH CONTROL UNIT DOWNHILL SPEED REGULATION BUTTON ESP OFF BUTTON ESP WARNING IND LAMP ESP/ASR OFF WARNING IND LAMP FUSE 12 FUSE 15 FUSE 20 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR LOW RANGE BUTTON LOWER CONTROL PANEL CONTROL UNIT NCA WIRE OFF ROAD PROGRAM BUTTON OFF-ROAD OPERATING PANEL CONTROL UNIT ON-ROAD/ OFF ROAD MENU BUTTON PARKING BRAKE IND LAMP PNK/WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT AXLE RPM SENSOR RIGHT REAR AXLE RPM SENSOR STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/BLK WIRE WHT WIRE

11 12 SIG LI 2.1L TURBO DIESEL 3.0L TURBO, 3.5L, 3.5L FLEX 6 7 SIG (+) AC HOUSING, AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLOWER BLOWER MOTOR 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 COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE WARNING LAMP DEFOGGER SYSTEM DRIVER SIDE AIR VENT IONIZER ENGINE COMPARTMENT FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 12 FUSE 19 FUSE 235 FUSE 237 GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HSHZG HIGH SIDE INSTRUMENT CLUSTER 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 MAGNETIC CLUTCH NCA WIRE PNK/WHT WIRE PTC HEATER BOOSTER REAR BLEND AIR FLAP ACTUATOR MOTOR W/ CUT OFF FUNCTION RED WIRE RED/BLK WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR (EXCEPT 4.7L TURBO) (LOWER LEFT FRONT OF ENGINE) REFRIGERANT PRESSURE SENSOR REGULATION VALVE REGULATOR 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 W/ AIR BALANCE PACKAGE 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 DEFOGGER SYSTEM DRIVER SIDE AIR VENT IONIZER FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 12 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/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HSHZG HIGH SIDE INTERIOR PREFUSE BOX KMV SK (+) KOMP PWM 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 RELAY ENERGIZED SIG SIG LI 12 13 SIG RE TEMP KR SIG VDF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE W/ AIR BALANCE PACKAGE WAHZG WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

49 L 49 R 57 L 57 R 58 L 58 R AMBIENT LAMP BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BSL L BSL R CAN B H CAN B H RBA CAN B L CENTER STOP LAMP COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM D BL HL D BL HR DISPLAY EXTERIOR LIGHTS SWITCH FUSE 114 FUSE 15 FUSE 250 GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INSTRUMENT CLUSTER INTERIOR PREFUSE BOX KZL L KZL R LDS 1 LDS 2 LDS 3 LEFT BACKUP LAMP LEFT FRONT DOOR CONTROL UNIT LEFT INSIDE TAILLIGHT LEFT LIFTGATE LICENSE PLATE LAMP LEFT OUTSIDE MIRROR LEFT REAR FOG LAMP LEFT REAR LAMP UNIT LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TURN SIGNAL IND LWR NCA WIRE NSI L ORG/ WIRE OUTER LEFT TAILLIGHT REAR FOG LAMP IND REAR FOG LIGHT BUTTON REAR FUSE BOX RED/BLU WIRE RED/WHT WIRE RIGHT LIFTGATE LICENSE PLATE LAMP RIGHT TURN SIGNAL IND SAM CONTROL UNIT (RIGHT KICK PANEL) SL L SWITCH ILLUMINATION TURN SIGNAL LAMP UPPER CONTROL PANEL CONTROL UNIT VIO/BLK WIRE VIO/WHT WIRE W/ HALOGEN HEADLAMPS WHT WIRE WHT/BLU WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT CONTROL UNIT FUSE 15 GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT FRONT HEATED SEAT BUTTON LEFT FRONT SEAT VENTILATION BUTTON NCA WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT BACKREST HEATED CUSHION RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT HEATED SEAT BUTTON RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION RIGHT FRONT SEAT VENTILATION BUTTON UPPER CONTROL PANEL CONTROL UNIT VIO WIRE YEL/RED WIRE

15 RELAY (DIAGRAM 4 OF 4) 2.1L TURBO DIESEL EXCEPT 2.1L TURBO DIESEL ACTIVE ROLL STABILIZATION CONTROL UNIT ADDITIONAL BATTERY BLK WIRE BLU WIRE BLU/GRY WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER BRN WIRE BRN/BLK WIRE BRN/RED WIRE BUFFER BATTERY FUSE CAN B H CAN B L CAN-D H CAN-D L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM CONTROL UNIT) DC/AC CONVERTER CONTROL UNIT DIAGNOSTIC CONNECTOR ECO START/STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM CIRCUIT FROM CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) FROM REAR FUSE BOX (DIAGRAM 4 OF 4) FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 134 FUSE 135 FUSE 136 FUSE 137 FUSE 138 FUSE 14 FUSE 15 FUSE 157 FUSE 16 FUSE 17 FUSE 18 FUSE 213 GLE CLASS GLOVE BOX LAMP) GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE INTELLIGENT SERVO MODULE FOR DIRECT SELECT LEFT FRONT DOOR CONTROL UNIT N/A NCA WIRE NOT P ORG/BLK WIRE ORG/BLU WIRE PNK WIRE RBA REAR WINDOW WIPER RELAY RED WIRE RED/WHT WIRE RETROFIT HEAD UP DISPLAY, INSTRUMENT CLUSTER SAM CONTROL UNIT SOCKET MICRO SWITCH STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TAILGATE WIPER MOTOR TK FT TO REAR FUSE BOX (DIAGRAM 4 OF 4) UPPER CONTROL PANEL CONTROL UNIT W/ AUTOMATIC AIR CONDITIONING W/ ECO START/STOP FUNCTION W/O ECO START/STOP FUNCTION 9 SPEED A/T 6 SPEED A/T 6 WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE YEL WIRE YEL/WHT WIRE

ACCELERATE, ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BRN WIRE BUTTONS +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CENTER HORNS BUTTON COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 FUSE 11 FUSE 20 GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES INDICATOR 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 FUNCTION BUTTON MUTE SBS NCA WIRE NTC- OFF SWITCH 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 SET SWITCH STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR STEERING WHEEL CLOCK SPRING CONTACT 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 TURN SIGNAL LAMPS 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, ACTIVE LANE KEEPING ASSIST WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

BATTERY COMPARTMENT PREFUSE BOX BBV-SIG BFS BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B H RBA CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM DR (+) DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH FUSE 12 FUSE 152 FUSE 59 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR LAMP PRE-LOCKING POSITION MICROSWITCH REAR CONTROL UNIT (UNDER CENTER OF REAR SEATS) REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SAM CONTROL UNIT SEAT BELT WARNING LAMP SIG SIG DF SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 2 SW 3 SW 4 VIO WIRE W/ HEAD UP DISPLAY W/ POWER CLOSING DOORS, TRUNK LID WHT WIRE YEL WIRE YEL/WHT WIRE

2.1L TURBO DIESEL BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B H IP CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBUSTION AIR BLOWER COMPUTER DATA LINES SYSTEM DOPUMP EFB ENGINE COMPARTMENT FUSE, RELAY MODULE EXCEPT 2.1L TURBO DIESEL FUEL PREHEATING SYSTEM HEATING ELEMENT FUSE 133 FUSE 15 FUSE 202 GLOW PLUG/ FLAME MONITOR UNIT GRY/BLK WIRE GRY/BLU WIRE HEATER CONTROL UNIT HOT AT ALL TIMES MULTI-FUNCTION ANTENNA NCA WIRE REAR FUSE BOX RED WIRE RED/WHT WIRE SAM CONTROL UNIT (RIGHT KICK PANEL) SHIELD SIG SIG TEL STATIONARY HEATER BUTTON STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT (LEFT REAR OF ENGINE COMPT) TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TEMPERATURE SENSOR THERMAL FUSE UPPER CONTROL PANEL CONTROL UNIT USV W/O COMFORT TELEPHONY W/ COMFORT TELEPHONY

BATTERY COMPARTMENT PREFUSE BOX BRN WIRE COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM FUSE 12 FUSE 2 HOT AT ALL TIMES HOT W/ INSTRUMENT CLUSTER LEFT FRONT TIRE PRESSURE SENSOR LEFT REAR TIRE PRESSURE SENSOR MULTIPLE FUSE 2 RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT TIRE PRESSURE SENSOR RIGHT REAR TIRE PRESSURE SENSOR TIRE PRESSURE MONITOR CONTROL UNIT TIRE PRESSURE MONITOR WARNING LAMP W/ HEAD UP DISPLAY WHT WIRE YEL WIRE YEL/WHT WIRE