Mercedes-Benz GLS-class X167 (2019-2023) (left front of engine compt) Wiring diagrams

AAG BLK WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/RED WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE BOOSTER VACUUM PUMP RELAY BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM D-SIG DUAL BRAKE VACUUM SENSOR ELECTRIC VACUUM PUMP EXCEPT HYBRID GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY/ORG WIRE INSTRUMENT CLUSTER CONTROL UNIT LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR NCA WIRE PEDAL ANGLE SENSOR (HYBRID) PNK/GRN WIRE REAR CENTRAL CONTROL UNIT RED WIRE RED/GRY WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR RIGHT FRONT AXLE RPM SENSOR RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR STOP LAMP SWITCH VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE

A SIG BLK/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR FUSE 101 FUSE 107 FUSE 118 FUSE 119 FUSE 124 FUSE 613 GRN/VIO WIRE HIGH-VOLTAGE BATTERY COOLING SYSTEM EXPANSION VALVE HIGH-VOLTAGE BATTERY COOLING SYSTEM SWITCHOVER VALVE HOT W/ HOT W/ BACKUP RELAY ENERGIZED HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ TERMINAL LOW TEMPERATURE CIRCUIT COOLANT PUMP 2 LOW TEMPERATURE CIRCUIT SWITCHOVER VALVE LOW-TEMPERATURE CIRCUIT COOLANT PUMP 1 LOW-TEMPERATURE COOLANT CIRCUIT 1 TEMPERATURE SENSOR LOW-TEMPERATURE COOLANT CIRCUIT 2 TEMPERATURE SENSOR LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR PNK WIRE PNK/GRY WIRE PNK/WHT WIRE PWM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED UPPER RADIATOR TRIM FLAP ACTUATOR MOTOR W/ STATIONARY HEATER W/O STATIONARY HEATER WINDSHIELD HEATER CONTROL UNIT

A SIG BACKUP RELAY BL (+) HECKL BL (+) HECKR BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM ELECTRIC VACUUM PUMP ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT FUSE 100 FUSE 116 FUSE 476 GRN/GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT REAR LAMP UNIT NCA WIRE PNK/GRY WIRE REAR CENTRAL CONTROL UNIT REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/ORG WIRE REL (+) RIGHT REAR LAMP UNIT WHT/GRN WIRE

A SIG BLK WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM D-SIG DRIVER DOOR CONTROL UNIT DRIVER SIDE OUTSIDE MIRROR ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FRA (+) GND FRONT PASSENGER DOOR CONTROL UNIT FUSE 110 FUSE 126 FUSE 133 FUSE 705 FUSE 714 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT 15 RELAY ENERGIZED LEFT FRONT LAMP UNIT PASSENGER SIDE OUTSIDE MIRROR PNK WIRE PNK/BLU WIRE PNK/GRY WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT STARTER BATTERY PREFUSE BOX STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH TSI (+) TSI GND VIO WIRE VIO/PNK WIRE W/ DYNAMIC LED HEADLAMPS YEL WIRE

A SIG BLK WIRE BLK/BRN WIRE BLK/PNK WIRE BLK/VIO WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM D-SIG ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FRONT CENTRAL CONTROL UNIT FUSE 110 FUSE 126 FUSE 133 FUSE 339 FUSE 705 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT LAMP UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/BLU WIRE PNK/GRY WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT FRONT LEVEL SENSOR RIGHT REAR LEVEL SENSOR SIG STARTER BATTERY PREFUSE BOX STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/PNK WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

A SIG BLK WIRE BLK/PNK WIRE BLK/VIO WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM D-SIG ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FRONT CENTRAL CONTROL UNIT FUSE 110 FUSE 126 FUSE 133 FUSE 339 FUSE 705 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT LAMP UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/BLU WIRE PNK/GRY WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT STARTER BATTERY PREFUSE BOX STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/PNK WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE

A SIG BLK WIRE BLK/PNK WIRE BLK/VIO WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM D-SIG ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FRONT CENTRAL CONTROL UNIT FUSE 110 FUSE 126 FUSE 133 FUSE 339 FUSE 705 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT LAMP UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/BLU WIRE PNK/GRY WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT STARTER BATTERY PREFUSE BOX STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/PNK WIRE VIO/WHT WIRE YEL WIRE YEL/BLU WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BM FLEX-E BP FRONT CENTRAL CONTROL UNIT FUSE 203 FUSE 704 GRN/BLU WIRE HORNS CONTACT PLATE HOT AT ALL TIMES LEFT FANFARE HORN NCA WIRE PNK/BLU WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FANFARE HORN SIG STARTER BATTERY PREFUSE BOX STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS YEL WIRE YEL/BLK WIRE

A SIG BATTERY COOLING SYSTEM TEMPERATURE SENSOR BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM FAN MOTOR FUSE 118 FUSE 311 FUSE 613 GRN/VIO WIRE HIGH-VOLTAGE BATTERY COOLING SYSTEM EXPANSION VALVE HIGH-VOLTAGE BATTERY COOLING SYSTEM SWITCHOVER VALVE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ TERMINAL INSTRUMENT CLUSTER CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK/GRY WIRE PNK/WHT WIRE PWM RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE VIO WIRE VIO/WHT WIRE

BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM D-SIG ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRIC POWER STEERING TORQUE SENSOR ELECTRICAL POWER STEERING CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FLEX-E BM FLEX-E BP FUSE 609 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT NCA WIRE PNK WIRE RED WIRE SENST SENT VIO WIRE VIO/WHT WIRE