Mercedes-Benz GLS-class X167 (2019-2023) (behind center of front grille) Wiring diagrams

ACTIVE BRAKE ASSIST CONTROLLER UNIT BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 207 FUSE 476 GRN/RED WIRE HECKD HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT PNK/RED WIRE REAR CENTRAL CONTROL UNIT REAR FUSE, RELAY MODULE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/WHT WIRE

A SIG ACCELERATOR PEDAL SENSOR ACTIVE BRAKE ASSIST CONTROLLER UNIT ACTIVE DISTANCE ASSIST DISTRONIC ELECTRIC CONTROLLER UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXCEPT HYBRID FLEX-E BM FLEX-E BP FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE HECKD INSTRUMENT CLUSTER CONTROL UNIT LEFT OUTER FRONT BUMPER RADAR SENSOR LEFT OUTER REAR INTEGRATED RADAR SENSOR PNK/BLK WIRE PNK/GRY WIRE PNK/RED WIRE PWM RADOME HEATER REAR CENTRAL CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/YEL WIRE RIGHT OUTER FRONT BUMPER RADAR SENSOR RIGHT OUTER REAR INTEGRATED RADAR SENSOR RIGHT OUTER REAR RADAR SENSOR SHORT, LONG-RANGE RADAR SENSOR STOP LAMP SWITCH VIO WIRE VIO/WHT WIRE W/ ACTIVE DISTANCE ASSIST DISTRONIC W/ ADAPTIVE CRUISE CONTROL PLUS WHT WIRE WHT/YEL WIRE YEL/BLU WIRE

2.0L TURBO 3.0L TURBO HYBRID 4.0L TURBO HYBRID A SIG BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE CAN C H CAN C L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR COOLANT THERMOSTAT HEATING ELEMENT ELECTRIC COOLANT PUMP FUSE 3 GRN/BLK WIRE GRN/YEL WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR LOWER RIGHT FRONT OF ENGINE) ME-SFI (ME) CONTROL UNIT POTENTIAL DISTRIBUTOR POWER SUPPLY POTENTIAL DISTRIBUTOR 3 RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SIG TOP OF ENGINE) VIO WIRE VIO/WHT WIRE WHT WIRE YEL/BLK WIRE

ACTIVE SUSPENSION, DAMPING SYSTEM CONTROL UNIT BRN WIRE CAN PER H CAN PER L DRIVETRAIN CONTROL UNIT (RIGHT KICK PANEL) ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXCEPT HYBRID FLEX-E BM FLEX-E BP GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE LEFT FRONT LAMP UNIT LEFT OUTER REAR INTEGRATED RADAR SENSOR MONO MULTI-FUNCTION CAMERA ORG/ WIRE ORG/WHT WIRE PERIPHERALS CAN (CAN PER) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR PNK WIRE PNK/GRY WIRE PNK/RED WIRE RIGHT FRONT LAMP UNIT RIGHT OUTER REAR INTEGRATED RADAR SENSOR SHORT, LONG-RANGE RADAR SENSOR TRANSFER CASE CONTROL UNIT

A SIG ACCELERATOR PEDAL SENSOR BLK WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE CAN C H CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT (RIGHT KICK PANEL) ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BM PNK FLEX-E BM WIRE FLEX-E BP FROM CIRCUIT FUSE 118 FUSE 119 FUSE 125 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LOW TEMPERATURE CIRCUIT SWITCHOVER VALVE LOW-TEMPERATURE CIRCUIT COOLANT PUMP 1 LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR PNK CAN C L WIRE PNK/GRY WIRE PNK/WHT WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SIG UPPER RADIATOR TRIM FLAP ACTUATOR MOTOR VIO WIRE WHT WIRE WHT/YEL WIRE

A SIG BLK WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE CAN C H CAN C L CAN L H CAN L L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 119 FUSE 125 FUSE 128 FUSE 311 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LOW-TEMPERATURE COOLANT CIRCUIT 2 TEMPERATURE SENSOR LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR ORG/ WIRE ORG/WHT WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/GRY WIRE PNK/WHT WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED SIG SOUND GENERATOR 2 STARTING/CHARGING SYSTEM UPPER RADIATOR TRIM FLAP ACTUATOR MOTOR VIO WIRE WHT WIRE WHT/YEL WIRE

BLK/BLU WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM D-SIG ENGINE COMPARTMENT FUSE, RELAY MODULE FROM CIRCUIT FRONT CENTRAL CONTROL UNIT FUSE 118 FUSE 119 FUSE 124 FUSE 311 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HIGH-VOLTAGE BATTERY COOLING SYSTEM SWITCHOVER VALVE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LOW-TEMPERATURE COOLANT CIRCUIT 1 TEMPERATURE SENSOR LOW-TEMPERATURE COOLANT CIRCUIT 2 TEMPERATURE SENSOR LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR NCA WIRE OIL SENSOR (OIL LEVEL, TEMPERATURE, QUALITY) PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/GRY WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER VIO WIRE WHT/BLK WIRE YEL WIRE

A SIG BLK WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE CAN C H CAN C L CAN L H CAN L L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 119 FUSE 125 FUSE 128 FUSE 311 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LOW-TEMPERATURE COOLANT CIRCUIT 2 TEMPERATURE SENSOR LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR ORG/ WIRE ORG/WHT WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/GRY WIRE PNK/WHT WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED SIG SOUND GENERATOR 2 STARTING/CHARGING SYSTEM UPPER RADIATOR TRIM FLAP ACTUATOR MOTOR VIO WIRE WHT WIRE WHT/YEL WIRE