Mercedes-Benz GLB-class X247 (2019-2023) driver door control unit 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 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

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

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/BLU WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SEAT ADJUSTMENT SWITCH GROUP DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FLEX-E BP FLEX-E BM PNK WIRE FUSE 109 FUSE 136 FUSE 156 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) MOT GND/(+) SIG ORG/ WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE SEATS SYSTEM SIG STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE W/ HEATED SEATS WHT/ORG WIRE

BLK/BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SEAT ADJUSTMENT SWITCH GROUP DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT BACKREST) DRIVER SEAT CLIMATE CONTROL SWITCH GROUP DRIVER SEAT CONTROL UNIT FUSE 136 FUSE 138 FUSE 156 FUSE 163 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT BACKREST SEAT VENTILATION MOTOR LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTOR MOT GND/(+) SENS MOT GND/(+) SIG NCA WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE SIG VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE

BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CARD READER, PRINTER DC/AC CONVERTER CONTROL UNIT DIAGNOSTIC CONNECTOR DRIVER DOOR CONTROL UNIT DRIVER MULTICONTOUR SEAT CONTROL UNIT DRIVER SEAT CONTROL UNIT DRIVER SIDE BAG SQUIB DRIVER'S SEAT LUMBAR SUPPORT ELECTRO PNEUMATIC CONTROLLER UNIT DRIVER'S SEAT LUMBAR SUPPORT PNEUMATIC PUMP ENGINE START/STOP BUTTON FRONT PASSENGER DOOR CONTROL UNIT FRONT SEAT HEATER/ SEAT VENTILATION CONTROL UNIT INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT ILLUMINATION DOOR SILL MOLDING LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT LEFT TABLET PC ELECTRICAL CONNECTOR LEFT THIRD ROW SEAT BELT BUCKLE SWITCH NCA WIRE PARKING SYSTEM CONTROL UNIT RADIO DATA TRANSMISSION TWO-WAY RADIO REAR SEAT ELECTRICAL CONNECTOR RIGHT REAR LAMP UNIT RIGHT REAR PASSENGER COMPARTMENT USB PORT 2 RIGHT TABLET PC ELECTRICAL CONNECTOR RIGHT THIRD ROW SEAT BELT BUCKLE SWITCH SOUND SYSTEM AMPLIFIER CONTROL UNIT SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT (SVMCU (MSS)) SPECIAL-PURPOSE VEHICLE MULTIFUNCTION CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT SUBWOOFER AMPLIFIER TAXI PERIPHERAL DEVICE ELECTRICAL CONNECTOR TIRE PRESSURE MONITOR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET TRUNK LID/LIFTGATE CONTROL CONTROL UNIT TRUNK LID/LIFTGATE EXTERNAL OPERATION BUTTON TRUNK LID/LIFTGATE LOCK TWO-WAY RADIO VEHICLE GATEWAY ELECTRICAL CONNECTOR

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE BSM BSM GND CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SEAT ADJUSTMENT SWITCH GROUP DRIVER SEAT CLIMATE CONTROL SWITCH GROUP DRIVER SIDE OUTSIDE MIRROR DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EC (+) HEAT GND EC GND FOLD IN/OUT FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER SEAT ADJUSTMENT SWITCH GROUP FRONT PASSENGER SEAT CLIMATE CONTROL SWITCH GROUP FUSE 156 FUSE 163 GRN WIRE GRY WIRE GRY/WHT WIRE HEAT (+) HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED ILLU (+) FOLD OUT/IN ILLU SIG MOT (+) MOT GND MOT GND (+) GND MOT GND/(+) MOT- PASSENGER SIDE OUTSIDE MIRROR RED WIRE RED/GRN WIRE SENS SENS 1 SENS 2 SENS GND SIG TSI (+) TSI GND VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE W/ SEAT HEATER, SEAT CLIMATE CONTROL WHT WIRE YEL WIRE YEL/GRN WIRE YEL/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

BLK WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CLA CLASS COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER DOOR POWER WINDOW MOTOR DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP DWN FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER DOOR POWER WINDOW MOTOR FUSE 154 FUSE 156 FUSE 161 FUSE 163 GLA CLASS GRN WIRE HOT AT ALL TIMES LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH MOT GND/(+) MOT- PASSENGER-SIDE POWER WINDOW SWITCH PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH VEHICLE INTERIOR FUSE, RELAY MODULE WHT/BLK WIRE WHT/GRN WIRE YEL/GRN WIRE

BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B H STERN CAN B L CAN H H CAN H L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DCS (+) DCS GND DRIVER DOOR CONTROL UNIT DRIVER SEAT BELT BUCKLE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 112 FUSE 156 FUSE 21 FUSE 24 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LOCK UNLOCK MOT GND/(+) ORG/GRN WIRE PNK/BLU WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SIG SIG (1) SIG (2) SIG 3 SIG 4 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE INTERIOR FUSE, RELAY MODULE VIO/YEL WIRE W/ INCREASED THEFT PROTECTION WHT WIRE WHT/VIO WIRE