Mercedes-Benz GLS-class X167 (2019-2023) front central control unit Wiring diagrams

BLK/VIO WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM D-SIG FRONT CENTRAL CONTROL UNIT FUSE 316 FUSE 318 FUSE 476 FUSE 705 HECKD HECKR HOT AT ALL TIMES LEFT ENGINE HOOD CONTACT SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX REAR CENTRAL CONTROL UNIT REAR FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT ENGINE HOOD CONTACT SWITCH RIGHT REAR DOOR EXIT, WARNING LAMP SIG STARTER BATTERY PREFUSE BOX TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID/ LIFTGATE LOCK TRUNK LID/ LIFTGATE LOCKING ELEMENT YEL WIRE YEL/BRN WIRE

BLK/VIO WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM D-SIG FRONT CENTRAL CONTROL UNIT FUSE 316 FUSE 318 FUSE 476 FUSE 705 HECKD HECKR HOT AT ALL TIMES LEFT ENGINE HOOD CONTACT SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX REAR CENTRAL CONTROL UNIT REAR FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT ENGINE HOOD CONTACT SWITCH RIGHT REAR DOOR EXIT, WARNING LAMP SIG STARTER BATTERY PREFUSE BOX TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID/ LIFTGATE LOCK TRUNK LID/ LIFTGATE LOCKING ELEMENT YEL WIRE YEL/BRN WIRE

3.0L TURBO HYBRID 4.0L TURBO HYBRID BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BATTERY TERMINAL PYROFUSE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B L CAN C H CAN C L CAN L H CAN L L COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT ECO START/ STOP FUNCTION DIODE ENGINE COMPARTMENT FUSE, RELAY MODULE FRONT CENTRAL CONTROL UNIT FUSE 119 FUSE 315 FUSE 509 FUSE 702 HOT W/ INTEGRATED STARTER GENERATOR ME-SFI (ME) CONTROL UNIT MPAC U MPAC V MPAC W MPAC X MPAC Y MPAC Z NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED SIG SIG (+) CAN-B H STARTER GENERATOR CONTROL UNIT TAN WIRE VEHICLE INTERIOR PREFUSE BOX YEL WIRE

ANT AUDIO BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN A H CAN A L CAN L H CAN L L CAN-D H CAN-D L COC COMPUTER DATA LINES SYSTEM DRIVE UNIT CONTROL UNIT EMERGENCY CALL SYSTEM ANTENNA 1 EMERGENCY CALL SYSTEM ANTENNA 2 FRONT CENTRAL CONTROL UNIT GPS GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HEAD UNIT/INSTRUMENT CLUSTER DISPLAY CLUSTER HERMES BATTERY MANAGEMENT SYSTEM CONTROL UNIT HSVL INSTRUMENT CLUSTER CONTROL UNIT LIN MIC H MIC-L MUTE NCA WIRE OFF-ROAD OPERATING PANEL CONTROL UNIT ORG/ WIRE ORG/WHT WIRE PWM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SHD SUPPLEMENTAL RESTRAINTS SYSTEM TOUCHPAD TOUCHSCREEN VIO WIRE WAKEUP WHT WIRE YEL WIRE

2.0L TURBO 2.0L TURBO, 3.0L TURBO HYBRID ACTIVE ENGINE MOUNTS CONTROL UNIT ALARM SIREN AUGMENTED REALITY CAMERA BATTERY DISCONNECT SWITCH RELAY BRN WIRE BRN/YEL WIRE CENTER STOP LAMP CIRCUIT 31 POTENTIAL DISTRIBUTOR 1 DC/AC CONVERTER CONTROL UNIT DIAGNOSTIC CONNECTOR DRIVER DOOR CONTROL UNIT ECO START/STOP FUNCTION DIODE FRONT ACTIVE ROLL STABILIZATION ELECTRIC CONTROLLER UNIT FRONT CENTRAL CONTROL UNIT FRONT PASSENGER DOOR CONTROL UNIT FRONT TEMPERATURE CONTROLLED CUP HOLDER GLE CLASS HAND MOTION SENSOR HERMES CONTROL UNIT HYBRID CAN POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR INNER LEFT REAR LAMP UNIT LEFT RUNNING BOARD COURTESY LIGHT LEFT TAILGATE AMBIENT LAMP, WARNING LAMP LOW TEMPERATURE CIRCUIT COOLANT PUMP 2 LOW TEMPERATURE CIRCUIT SWITCHOVER VALVE LOW-TEMPERATURE CIRCUIT COOLANT PUMP 1 LUGGAGE COMPARTMENT SOCKET ME-SFI (ME) CONTROL UNIT MONO MULTI-FUNCTION CAMERA NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING SUNROOF CONTROL MODULE PERIPHERALS CAN POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR RADOME HEATER REAR PASSENGER COMPARTMENT MOBILE PHONE CRADLE CONTROL UNIT REAR WINDOW GLASS BREAKAGE SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT INTERIOR CAN POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR RIGHT LOAD COMPARTMENT LAMP RIGHT OUTER REAR INTEGRATED RADAR SENSOR SEATS SWITCH GROUP (RIGHT LOAD COMPARTMENT) SOUND GENERATOR CONTROL UNIT STARTER BATTERY PREFUSE BOX STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT TAILGATE WIPER MOTOR TANK CAP CENTRAL LOCKING ACTUATOR TIRE PRESSURE MONITOR CONTROL UNIT TOUCH- SCREEN TRANSFER CASE CONTROL UNIT TRUNK LID/ LIFTGATE CONTROL UNIT TRUNK LID/ LIFTGATE EXTERNAL OPERATION BUTTON TRUNK LID/ LIFTGATE LOCK WINDSHIELD HEATER CONTROL UNIT YEL/BLK WIRE

39 20 A-SIG A SIG BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BATTERY TERMINAL PYROFUSE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BUFFER BATTERY FUSE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ECO START/ STOP FUNCTION ADDITIONAL BATTERY ECO START/ STOP FUNCTION DIODE ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE START/STOP BUTTON FLEX-E BM FLEX-E BP FRONT CENTRAL CONTROL UNIT FUSE 503 FUSE 509 FUSE 702 GRN/RED WIRE GRY/YEL WIRE NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE PNK/RED WIRE RED WIRE RED/WHT WIRE SIG VEHICLE INTERIOR PREFUSE BOX WHT WIRE

BLK/BLU WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN HIM H CAN HIM L COMPUTER DATA LINES SYSTEM CRASH DRIVER ETR (GUS) SQUIB DRIVER-SIDE FUSE, RELAY MODULE FRONT CENTRAL CONTROL UNIT FRONT PASSENGER DOOR PRESSURE SENSOR FRONT PASSENGER ETR (GUS) SQUIB FUSE 207 FUSE 705 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONTAL ACCELERATION SENSOR LEFT REAR DOOR PRESSURE SENSOR PNK/GRN WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT B-PILLAR BODY ACCELERATION SENSOR RIGHT REAR DOOR PRESSURE SENSOR RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT REAR SIDE BAG SQUIB STARTER BATTERY PREFUSE BOX VIO WIRE VIO/WHT WIRE WHT WIRE

A SIG BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM D-SIG ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FRONT CENTRAL CONTROL UNIT FUSE 105 FUSE 111 FUSE 339 FUSE 612 HECKD HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT WINDSHIELD WIPER HEATER (W/ HEATED MAGIC VISION CONTROL) LIFTGATE WINDSHIELD WASHER SYSTEM PUMP PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR CENTRAL CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/ORG WIRE RED/WHT WIRE REL (+) RIGHT WINDSHIELD WIPER HEATER SIG SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) TAILGATE WIPER MOTOR (CENTER OF TAILGATE) VIO WIRE VIO/WHT WIRE WINDSHIELD WASHER FLUID LEVEL INDICATOR SWITCH WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WIPER HEATING RELAY WIPER MOTOR YEL/BLU WIRE

A SIG BLK/PNK WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAN L H CAN L L COMPUTER DATA LINES SYSTEM D-SIG ELECTRIC MACHINE 1 POWER ELECTRONICS CONTROL UNIT ENGINE START/STOP BUTTON FRONT CENTRAL CONTROL UNIT GRN/BLK WIRE HIGH-VOLTAGE BATTERY COOLING SYSTEM EXPANSION VALVE HIGH-VOLTAGE BATTERY COOLING SYSTEM SWITCHOVER VALVE LOW-TEMPERATURE COOLANT CIRCUIT 1 TEMPERATURE SENSOR LOW-TEMPERATURE COOLANT CIRCUIT 2 TEMPERATURE SENSOR ORG/ WIRE ORG/WHT WIRE PNK/GRY WIRE PNK/WHT WIRE PWM RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE REL (+) RIGHT EXHAUST FLAP ACTUATOR MOTOR SIG VIO WIRE

A SIG BATTERY COOLING SYSTEM TEMPERATURE SENSOR BLK/PNK WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN L H CAN L L COMPUTER DATA D-SIG DRIVETRAIN CONTROL UNIT (RIGHT KICK PANEL) FRONT CENTRAL CONTROL UNIT FUSE 702 GRN/BLK WIRE GRN/VIO WIRE HIGH-VOLTAGE BATTERY COOLING SYSTEM EXPANSION VALVE HOT AT ALL TIMES LINES SYSTEM LOW TEMPERATURE CIRCUIT SWITCHOVER VALVE LOW-TEMPERATURE COOLANT CIRCUIT 1 TEMPERATURE SENSOR ORG/ WIRE ORG/WHT WIRE PNK/GRY WIRE PNK/WHT WIRE POWER ELECTRONICS CONTROL UNIT ELECTRICAL CONNECTOR PWM RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REL (+) RIGHT EXHAUST FLAP ACTUATOR MOTOR STARTER BATTERY PREFUSE BOX