Mercedes-Benz GLA-class H247 (2019-2023) central control module Wiring diagrams

BLK WIRE BLK/RED WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE CAN H H CAN H L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FUSE 23 FUSE 24 FUSE 72 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED PNK WIRE PNK/GRN WIRE PNK/RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR SIG SIG (+) 54 SIG (1) SIG (2) SIG 3 SIG 4 SIG GND VIO WIRE WHT WIRE WHT/YEL WIRE

3 16 CLUTCH (+) AIR QUALITY SENSOR BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/VIO WIRE CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CENTRAL CONTROL MODULE EVAPORATOR TEMPERATURE SENSOR GND 26 27 ILLU (+) GND GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HAZARD SIG LEFT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR LEFT SIDE AIR VENT AIR OUTLET TEMPERATURE SENSOR NCA WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE REFRIGERANT PRESSURE SENSOR RIGHT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR RIGHT SIDE AIR VENT AIR OUTLET TEMPERATURE SENSOR SHD SIG SIG KLA STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TELEPHONE ANTENNA SPLITTER VALVE (+) SIG W/ AIR CONDITIONING YEL/GRN WIRE

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 BRN/YEL WIRE CAN B H CAN B H STERN CAN B L CENTER ENGINE HOOD CONTACT SWITCH CENTRAL CONTROL MODULE CENTRAL LOCKING STATUS DISPLAY COMPUTER DATA LINES SYSTEM DCS DCS (+) DCS GND DRIVER DOOR AMBIANCE ILLUMINATION DRIVER DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH DRIVER DOOR CONTROL UNIT DRIVER DOOR HANDLE AMBIANCE ILLUMINATION DRIVER DOOR HANDLE ILLUMINATION DRIVER DOOR LOCK DRIVER DOOR POCKET LIGHTING ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 156 FUSE 21 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY/RED WIRE HOT AT ALL TIMES LED LOCK UNLOCK MOT GND/(+) MOT- NCA WIRE PNK/BLU WIRE 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 W/ INCREASED THEFT PROTECTION WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

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/GRN WIRE BLK/RED WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B H STERN CAN B L CENTRAL CONTROL MODULE CLA CLASS CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SIDE OUTSIDE MIRROR FRONT PASSENGER DOOR CONTROL UNIT FUSE 121 FUSE 143 FUSE 156 FUSE 163 FUSE 165 FUSE 3 GLA CLASS GRN/VIO WIRE HEAT (+) HEAT GND HEAT GND HEATED REAR WINDOW RELAY HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED PASSENGER SIDE OUTSIDE MIRROR REAR WINDOW HEATER RED WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE REF STARTER BATTERY PREFUSE BOX VEHICLE INTERIOR FUSE, RELAY MODULE

BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CENTER STOP LAMP CENTRAL CONTROL MODULE CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 21 FUSE 24 FUSE 64 GRN WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT FRONT LAMP UNIT LEFT LICENSE PLATE LAMP NCA WIRE PNK WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RFL (+) RIGHT FRONT LAMP UNIT RIGHT LICENSE PLATE LAMP SIG SIG (+) SIG 1 SIG (1) SIG (2) SIG 3 SML TL (+) TL (+) SIG 1 TL/PL (+) TSI (+) TSI R (+) TSI-L (+) VIO WIRE VIO/BLK WIRE VIO/GRN WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B H STERN CAN B L CAN LR H CAN LR L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BP PNK FLEX-E BM WIRE FUSE 109 FUSE 21 GRN WIRE HORNS CONTACT PLATE HOT AT ALL TIMES LEFT FANFARE HORN NCA WIRE RED WIRE RED/ORG WIRE RIGHT FANFARE HORN SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS VEHICLE INTERIOR FUSE, RELAY MODULE YEL WIRE YEL/GRY WIRE

BLK/GRN WIRE BLK/ORG WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L STERN CAN HMI H CAN HMI L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH FL 1 FL 2 FL-GND FUEL PRESSURE SENSOR FUEL PUMP CONTROL UNIT GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE HEAD-UP DISPLAY LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR NCA WIRE OUTSIDE TEMPERATURE SENSOR RED WIRE RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG GND VIO WIRE VIO/WHT WIRE

BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B H STERN CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SIDE OUTSIDE MIRROR EC GND EC+ FRONT PASSENGER DOOR CONTROL UNIT FUSE 140 FUSE 156 FUSE 163 FUSE 169 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSIDE REAR VIEW MIRROR 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

BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DCS GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE MOT- NCA WIRE PNK/BLU WIRE RED WIRE RED/ORG WIRE RIGHT TRUNK LID/LIFTGATE CONTROL DRIVE UNIT SIG TAILGATE CENTRAL LOCKING MOTOR TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK LID/LIFTGATE EXTERNAL OPERATION BUTTON TRUNK LID/LIFTGATE LOCK VIO/GRN WIRE VIO/ORG WIRE