Mercedes-Benz A-class W177 (2018-2023) red/org Wiring diagrams

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAN H H CAN H L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FUSE 107 FUSE 110 FUSE 41 FUSE 47 FUSE 70 GRN 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 INTELLIGENT DRIVE CONTROL UNIT (UNDER FRONT PASSENGER SEAT) ME-SFI (ME) CONTROL UNIT MOT- PNK WIRE RED WIRE RED/GRN WIRE RED/ORG WIRE RED/YEL WIRE SENS (+) SENS GND SENS 1 SENS 2 SIG GND STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR VEHICLE INTERIOR FUSE, RELAY MODULE WHT WIRE YEL WIRE

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 (IN DRIVER FRONT DOOR) 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 136 FUSE 156 FUSE 164 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT (+)/GND CAN-B H MOT GND/(+) ORG/ WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE SEATS SYSTEM SENS SENS GND SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE WHT/ORG WIRE

BLK/BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD DRIVER DOOR CONTROL UNIT 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 BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTOR MOT GND/(+) MOT GND/(+) SENS MOT GND/(+) SENS GND NCA WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE SIG GND VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE

BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER SEAT CLIMATE CONTROL SWITCH GROUP FRONT PASSENGER SEAT CONTROL UNIT MOT GND (+) GND MOT GND/(+) NCA WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTOR RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTOR SIG VIO WIRE

BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DISCONNECT SWITCH RELAY ENERGIZED DRIVER ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD DRIVER DOOR CONTROL UNIT DRIVER SEAT CLIMATE CONTROL SWITCH GROUP FRONT PASSENGER ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER SEAT CLIMATE CONTROL SWITCH GROUP FRONT SEAT HEATER/ SEAT VENTILATION CONTROL UNIT FUSE 138 FUSE 156 FUSE 163 HOT W/ BATTERY LEFT FRONT BACKREST SEAT VENTILATION MOTOR LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTOR MOT GND (+) GND MOT GND/(+) NCA WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/PNK WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTOR RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTOR SIG VEHICLE INTERIOR FUSE, RELAY MODULE VIO 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 110 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 WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH DRIVER DOOR CONTROL UNIT (IN DRIVER FRONT DOOR) DRIVER DOOR HANDLE ILLUMINATION DRIVER SIDE OUTSIDE MIRROR EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FUSE 110 FUSE 132 FUSE 154 FUSE 156 FUSE 161 FUSE 163 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED ILLU INSTRUMENT CLUSTER LEFT REAR DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR POWER WINDOW SWITCH PNK WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE RED/YEL WIRE SENS GND SIG SIG (1) SIG (2) SIG 3 STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE

BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FLEX-E BP FLEX-E BM PNK WIRE FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER SEAT ADJUSTMENT SWITCH GROUP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 138 FUSE 163 FUSE 164 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) ORG/ WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE SEATS SYSTEM SENS SENS GND SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE WHT/ORG WIRE

AC HOUSING, ALARM SIREN BLK WIRE BLU/YEL WIRE BRN WIRE CENTRAL CONTROL MODULE DC/AC CONVERTER CONTROL UNIT (RIGHT CENTER OF TRUNK FLOOR) DIAGNOSTIC CONNECTOR FROM STARTER BATTERY PREFUSE BOX (DIAGRAM 1 OF 7) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT VEHICLE INTERIOR POWER OUTLET FUSE 101 FUSE 103 FUSE 104 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 GRY WIRE HEATED REAR WINDOW RELAY HERMES CONTROL UNIT INSTRUMENT CLUSTER CONTROL UNIT LUGGAGE COMPARTMENT SOCKET MERCEDES-BENZ INTELLIGENT DRIVE CONTROL UNIT MPAC U MPAC V N/A ORG/BLU WIRE ORG/RED WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/ORG WIRE RED/PNK WIRE RED/YEL WIRE SENS SENS GND SOUND SYSTEM AMPLIFIER CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 7 OF 7) TO FUSE 119 (DIAGRAM 5 OF 7) TO REAR FUSE, RELAY MODULE (DIAGRAM 6 OF 7) W/ INTERIOR MONITORING W/ SMOKER'S PACKAGE W/O SMOKER'S PACKAGE YEL WIRE

AB 1 (+) AB 1 GND AB 2 (+) AB 2 GND BLK/YEL WIRE BLU/WHT WIRE BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 110 FUSE 164 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE HEAD UNIT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP HORN CONTACT PLATE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIN NCA WIRE PNK WIRE RED/ORG WIRE RED/WHT WIRE SENS GND SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL UPSHIFT BUTTON SUPPLEMENTAL RESTRAINTS SYSTEM TEMP VEHICLE INTERIOR FUSE, RELAY MODULE