Mercedes-Benz GLB-class X247 facelift (2023-2024) central control module Wiring diagrams

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B H STERN CAN B L CENTER ENGINE HOOD CONTACT SWITCH CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DCS DRIVER DOOR AMBIANCE ILLUMINATION DRIVER DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH DRIVER DOOR CONTROL UNIT DRIVER DOOR HANDLE AMBIANCE ILLUMINATION DRIVER DOOR LOCK DRIVER DOOR POCKET LIGHTING ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 156 FUSE 21 GRN WIRE GRN/RED WIRE GRY/RED WIRE HOT AT ALL TIMES LED LIN MOT- PNK/VIO WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE SIG SIG (1) SIG (2) SIG GND TRUNK LID/LIFTGATE EXTERNAL OPERATION BUTTON TRUNK LID/LIFTGATE LOCK TRUNK LID/LIFTGATE UNLOCKING BUTTON VEHICLE INTERIOR FUSE, RELAY MODULE VIO/PNK WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

1 3 (+) AC HOUSING, AIR QUALITY SENSOR BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CENTRAL CONTROL MODULE COOLANT LEVEL SWITCH EVAPORATOR TEMPERATURE SENSOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE LEFT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR LEFT SIDE AIR VENT AIR OUTLET TEMPERATURE SENSOR LIN LIN 8 27 SIG OUTSIDE TEMPERATURE SENSOR PNK/GRN WIRE RED/BLU WIRE RED/VIO WIRE REFRIGERANT PRESSURE SENSOR RIGHT END OF DASH) RIGHT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR RIGHT SIDE AIR VENT AIR OUTLET TEMPERATURE SENSOR SIG SIG 26 12 SIG SIG 31 29 GND SIG KLA W/ AIR CONDITIONING W/O AIR CONDITIONING

BL (+) BL/TSI (+) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BUL (+) CAN B H STERN CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 21 GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT REAR LAMP UNIT RED WIRE RIGHT REAR LAMP UNIT VIO/BLK WIRE

BLK WIRE BLK/RED WIRE BLK/VIO WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CAN PER H CAN PER L CENTER STOP LAMP CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 21 FUSE 22 FUSE 24 FUSE 48 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT LAMP UNIT LEFT LICENSE PLATE LAMP NCA WIRE PNK WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT LICENSE PLATE LAMP SIG VIO WIRE VIO/BLK WIRE VIO/GRN WIRE WHT/ORG WIRE YEL/WHT WIRE

ALTERNATOR BACKUP RELAY BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLU WIRE BRN WIRE CENTRAL CONTROL MODULE DRIVETRAIN CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR FROM ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 6 OF 6) FUSE 1 FUSE 12 FUSE 13 FUSE 14 FUSE 2 FUSE 3 FUSE 40 FUSE 41 FUSE 42 FUSE 43 FUSE 44 FUSE 47 FUSE 48 FUSE 49 FUSE 52 FUSE 53 FUSE 76 FUSE 78 GRN WIRE ME-SFI (ME) CONTROL UNIT N/A NCA WIRE NOT USED ON-BOARD ELECTRICAL SYSTEM BATTERY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SHORT, LONG-RANGE RADAR SENSOR TO BACKUP RELAY (DIAGRAM 2 OF 6) TO VEHICLE INTERIOR FUSE, RELAY MODULE (DIAGRAM 4 OF 6) VOLTAGE DIP LIMITER WIPER MOTOR

ACTIVE BRAKE ASSIST CONTROLLER UNIT BACKUP RELAY BLK WIRE BLK/ORG WIRE BLK/RED WIRE CENTRAL CONTROL MODULE CIRCUIT 50 RELAY DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY FROM FUSE 48 (DIAGRAM 1 OF 6) FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 30 FUSE 31 FUSE 33 FUSE 34 FUSE 35 FUSE 36 FUSE 37 FUSE 39 FUSE 58 FUSE 59 FUSE 60 FUSE 62 FUSE 64 FUSE 66 FUSE 67 FUSE 68 FUSE 69 FUSE 70 FUSE 71 FUSE 72 LEFT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT N/A N/A N/A NOT USED RED WIRE RED/BLK WIRE RED/BLU WIRE RED/PNK WIRE RED/YEL WIRE SHORT, LONG-RANGE RADAR SENSOR

BACKUP CAMERA CONTROL UNIT CENTRAL CONTROL MODULE DRIVER DOOR CONTROL UNIT FROM FUSE 149 (DIAGRAM 5 OF 6) FRONT CENTER CONSOLE USB CONNECTOR FRONT PASSENGER DOOR CONTROL UNIT FUEL PUMP CONTROL UNIT FUSE 150 FUSE 152 FUSE 154 FUSE 156 FUSE 157 FUSE 158 FUSE 159 FUSE 160 FUSE 161 FUSE 162 FUSE 163 FUSE 164 FUSE 165 FUSE 166 FUSE 167 FUSE 168 FUSE 169 FUSE 170 FUSE 171 HEAD UNIT LEFT REAR DOOR CONTROL UNIT MONO MULTI-FUNCTION CAMERA MULTIMEDIA CONNECTION UNIT N/A NCA WIRE NOT USED PARKING SYSTEM CONTROL UNIT RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR SWITCHING MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT

AC 1 AC 2 AC HOUSING, BLK WIRE BLU/YEL WIRE BRN WIRE CENTRAL CONTROL MODULE DC/AC CONVERTER CONTROL UNIT (RIGHT CENTER OF CARGO AREA FLOOR) DIAGNOSTIC CONNECTOR FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FROM STARTER BATTERY PREFUSE BOX (DIAGRAM 1 OF 6) FRONT VEHICLE INTERIOR POWER OUTLET FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 106 FUSE 107 FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 117 FUSE 123 FUSE 124 FUSE 125 FUSE 126 FUSE 127 FUSE 128 FUSE 129 FUSE 131 FUSE 132 HEATED REAR WINDOW RELAY HERMES CONTROL UNIT INSTRUMENT CLUSTER CONTROL UNIT INTELLIGENT DRIVE CONTROL UNIT LUGGAGE COMPARTMENT SOCKET N/A NOT USED ORG/BLU WIRE ORG/RED WIRE PTC HEATER BOOSTER REAR PASSENGER COMPARTMENT USB CONNECTOR RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/PNK WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SENS SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 6 OF 6) TO FUSE 119 (DIAGRAM 5 OF 6) TRUNK LID/ LIFTGATE CONTROL UNIT YEL WIRE

ADDITIONAL BATTERY ADDITIONAL BATTERY FUSE BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L CENTER CONSOLE KEYLESS GO ANTENNA CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER DOOR KEYLESS-GO DOOR HANDLE DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FM, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FROM VEHICLE INTERIOR FUSE, RELAY MODULE (DIAGRAM 4 OF 6) FRONT PASSENGER DOOR KEYLESS-GO DOOR HANDLE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE LEFT REAR KEYLESS GO DOOR HANDLE LEFT UNDER FLOOR KEYLESS GO ANTENNA LIN LOAD COMPARTMENT KEYLESS-GO ANTENNA N/A NCA WIRE ORG/ WIRE ORG/BLU WIRE PNK FLEX-E BM WIRE PNK WIRE REAR SWITCHING MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT REAR KEYLESS GO DOOR HANDLE RIGHT UNDER FLOOR KEYLESS GO ANTENNA SIG START/STOP BUTTON W/ ECO START/STOP FUNCTION BUTTON TO STARTER BATTERY PREFUSE BOX (DIAGRAM 1 OF 6) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/PNK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B H STERN CAN B L CENTRAL CONTROL MODULE CLA CLASS COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SIDE OUTSIDE MIRROR FRONT PASSENGER DOOR CONTROL UNIT FUSE 140 FUSE 156 FUSE 163 FUSE 169 GLA/GLB CLASS GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSIDE REAR VIEW MIRROR LIN NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER SIDE OUTSIDE MIRROR RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/GRN WIRE RED/WHT WIRE VEHICLE INTERIOR FUSE, RELAY MODULE YEL WIRE