Mercedes-Benz A-class W177 (2018-2023) brn Wiring diagrams

ACTIVE BRAKE ASSIST CONTROLLER UNIT BLK/RED WIRE BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FUSE 111 FUSE 70 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT PNK FLEX-E BP WIRE RED WIRE VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE

BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR (BEHIND RADIATOR) FUSE 14 FUSE 54 FUSE 71 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED ME-SFI (ME) CONTROL UNIT RED WIRE RED/BLU WIRE RELAY ENERGIZED SIG

BRN WIRE BRN/RED WIRE CAN B H CAN B L STERN CENTRAL CONTROL MODULE CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM FUSE 121 FUSE 3 GRN/VIO WIRE HEATED REAR WINDOW RELAY HOT AT ALL TIMES NCA WIRE REAR WINDOW HEATER REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REL (+) STARTER BATTERY PREFUSE BOX VEHICLE INTERIOR FUSE, RELAY MODULE (RIGHT FRONT FOOTWELL)

ADAPTIVE DAMPING SYSTEM CONTROL UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 114 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT LEVEL SENSOR LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR LEVEL SENSOR NCA WIRE ORG/ WIRE PNK WIRE RED/VIO WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT LEVEL SENSOR RIGHT REAR AXLE DAMPING VALVE UNIT RIGHT REAR LEVEL SENSOR SIG SIG (+) VLV H VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VLV H VLV L WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ADAPTIVE DAMPING SYSTEM CONTROL UNIT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 114 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENGERGISED LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY ACCELERATION SENSOR LEFT FRONT LEVEL SENSOR LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR BODY ACCELERATION SENSOR LEFT REAR LEVEL SENSOR NCA WIRE ORG/ WIRE PNK FLEX-E BM WIRE PNK WIRE RED/VIO WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT BODY ACCELERATION SENSOR RIGHT FRONT LEVEL SENSOR RIGHT REAR AXLE DAMPING VALVE UNIT RIGHT REAR LEVEL SENSOR SIG VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VLV H VLV L WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ETH (+) WAKE UP ETH (-) ETHERNET EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 111 FUSE 145 FUSE 158 FUSE 168 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HAND MOTION SENSOR HEAD UNIT (LOWER LEFT END OF DASH) HEAD UNIT/INSTRUMENT CLUSTER DISPLAY CLUSTER HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HSVL INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER SPEAKER NCA WIRE RED WIRE RED/GRY WIRE SHD SHD CID/PIP SIG (1) SIG (2) SIG 3 SIG 4 VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE WAKE-UP WHT 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

ALARM SIREN BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM FUSE 129 FUSE 140 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSIDE REAR VIEW MIRROR LEFT FRONT MIRROR LAMP SWITCH LEFT REAR INTERIOR/ READING LAMP LEFT SUN VISOR MIRROR LAMP NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT REAR DOME LAMP REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT MIRROR LAMP SWITCH RIGHT REAR INTERIOR/ READING LAMP RIGHT SUN VISOR MIRROR LAMP RL (+) SIG SIG RL VEHICLE INTERIOR FUSE, RELAY MODULE W/ LIGHT, VISION W/O LIGHT, VISION WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN 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

BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BP FUSE 24 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR MOT GND/(+) MOT GND/(+) FLEX E BM PNK WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR SIG (1) SIG (2) SIG 3 SIG 4 VIO WIRE VIO/WHT WIRE