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

ADDITIONAL BATTERY FUSE AIR CONDITIONING SYSTEM BL (+) BL/TST (+) BLK/ORG WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BUL (+) CAN B H CAN B H STERN CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM CRASH DCS DEFOGGER SYSTEM DIAG DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ENGINE CONTROLS SYSTEM FUSE 158 FUSE 165 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/PNK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM MOT (+) GND MOT MOT GND/(+) MOT- NAVIGATION SYSTEM ORG/BLK WIRE PNK/BLU WIRE PNK/GRY WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE REL (+) SEATS SYSTEM SIG SIG (1) SIG (L) SIG R SUPPLEMENTAL RESTRAINTS SYSTEM TL (+) TL/PL (+) TRUNK, TAILGATE, FUEL DOORS SYSTEM TSI (+) VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/BLK WIRE VIO/GRN WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM NAVIGATION SYSTEM WIPER/WASHER, MIRRORS, HEADLIGHTS SYSTEMS YEL WIRE YEL/GRN WIRE YEL/WHT 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 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 (+) SENS 1 CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SEAT ADJUSTMENT SWITCH GROUP DRIVER SIDE OUTSIDE MIRROR DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EC (+) EC GND FOLD OUT/IN FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER SEAT ADJUSTMENT SWITCH GROUP FUSE 156 FUSE 163 GRN WIRE GRY WIRE GRY/WHT WIRE HEAT (+) BSM GND HEAT GND HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED ILLU (+) FOLD IN/OUT MOT GND/(+) MOT LR (+)/GND MOT UD (+)/GND PASSENGER SIDE OUTSIDE MIRROR RED WIRE RED/GRN WIRE SENS SENS (+) SENS 2 SENS 2 SENS GND TSI (+) TSI GND VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/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

ADDITIONAL BATTERY ADDITIONAL BATTERY FUSE BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK 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 DCS (+) SIG 1 DRIVER DOOR CONTROL UNIT DRIVER DOOR KEYLESS-GO DOOR HANDLE DRIVETRAIN CONTROL UNIT ELECTRIC STEERING LOCK CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE START/STOP BUTTON FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FROM VEHICLE INTERIOR FUSE, RELAY MODULE (DIAGRAM 3 OF 7) FROM VEHICLE INTERIOR FUSE, RELAY MODULE (DIAGRAM 4 OF 7) 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 ILLU KAPA LEFT REAR KEYLESS GO DOOR HANDLE LEFT UNDERFLOOR KEYLESS-GO ANTENNA LF 1 LF 2 LF MID LOAD COMPARTMENT KEYLESS-GO ANTENNA ORG/ WIRE ORG/BLU WIRE P NOT PNK FLEX-E BM WIRE PNK FLEX-E BP WIRE PNK/GRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REL C (+) RIGHT REAR KEYLESS GO DOOR HANDLE RIGHT UNDERFLOOR KEYLESS-GO ANTENNA SIG TO STARTER BATTERY PREFUSE BOX (DIAGRAM 1 OF 7) VIO WIRE VIO/WHT WIRE W/ VEHICLE ACCESS, DRIVE AUTHORIZATION VIA MOBILE PHONE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRN 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 (+) EC GND EC GND EC+ FRONT PASSENGER DOOR CONTROL UNIT FUSE 140 FUSE 156 FUSE 169 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSIDE REAR VIEW MIRROR LIN OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER SIDE OUTSIDE MIRROR POWER DISTRIBUTION SYSTEM RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE VEHICLE INTERIOR FUSE, RELAY MODULE

AIR CONDITIONING SYSTEM BLU WIRE BRN WIRE BRN/GRY WIRE ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 166 FUSE 53 GRN/VIO WIRE GRY/RED WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ CIRCUIT NCA WIRE RED/GRN WIRE RED/GRY WIRE SHD SHIELD SIG STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT TELEPHONE ANTENNA SPLITTER VEHICLE INTERIOR FUSE, RELAY MODULE W/O WIRELESS PHONE CHARGING AT FRONT, ANTENNA

AB 1 (+) AB 1 GND AB 2 (+) AB 2 GND BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CENTER, RIGHT REAR PASSENGER COMPARTMENT SEAT BELT BUCKLES DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 DRIVER SIDE BAG SQUIB FRONT PASSENGER SIDE BAG SQUIB FUSE 112 GRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT "C" PILLAR) LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR SEAT BELT BUCKLE SWITCH NCA WIRE RED/BLU WIRE RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT FRONTAL ACCELERATION SENSOR STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO/YEL WIRE WHT/VIO WIRE

BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTRAL CONTROL MODULE COMPUTER DATA COMPUTER DATA LINES SYSTEM CRASH DRIVER DOOR PRESSURE SENSOR FRONT PASSENGER DOOR PRESSURE SENSOR FRONT PASSENGER ETR (GUS) SQUIB FUSE 158 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT B-PILLAR BODY ACCELERATION LEFT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR LEFT FRONTAL ACCELERATION SENSOR LEFT REAR DOOR PRESSURE SENSOR LEFT REAR SIDE BAG SQUIB LINES SYSTEM RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT B-PILLAR BODY ACCELERATION SENSOR RIGHT REAR DOOR PRESSURE SENSOR RIGHT REAR SIDE BAG SQUIB SIG SIG (L) SIG GND SIG R STERN SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE WHT/VIO WIRE

BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L STERN CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FLUID LEVEL FUSE 169 FUSE 21 FUSE 44 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INDICATOR SWITCH MOT GND/(+) NCA WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SAM CONTROL UNIT SEDAN SIG SIG RBA-2 SPRAY NOZZLE HOSE HEATER (W/ HEATED WINDSHIELD WASHER SYSTEM) STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR (CENTER OF LIFTGATE) VEHICLE INTERIOR FUSE, RELAY MODULE WINDSHIELD WASHER WINDSHIELD WASHER SYSTEM PUMP WIPER MOTOR