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

ALARM SIREN BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA COMPUTER DATA LINES SYSTEM CORNER OF ROOF) DCS (+) DCS GND DRIVER DOOR EXIT, WARNING LAMP FRONT PASSENGER DOOR LOCK FRONT RIGHT - FUSE 129 FUSE 140 FUSE 161 FUSE 163 GRN WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT LEFT REAR DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR HANDLE AMBIANCE ILLUMINATION LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR DOOR LOCK LEFT REAR DOOR STOWAGE COMPARTMENT ILLUMINATION LIN LINES SYSTEM LOCK UNLOCK MOT GND/(+) OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/VIO WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SIG GND VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE VISION PACKAGE W/ INCREASED THEFT PROTECTION W/ LIGHTS, WHEELWELL) WHT/VIO WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR EXIT, WARNING LAMP FRONT PASSENGER DOOR CONTROL UNIT (IN FRONT PASSENGER FRONT DOOR) FRONT PASSENGER DOOR EXIT, WARNING LAMP GRN WIRE GRN/BLU WIRE GRN/GRY WIRE OVERHEAD CONTROL PANEL CONTROL UNIT (UNDER OVERHEAD CONTROL PANEL) REAR DOME LAMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RL (+) SIG SIG RL W/ SEAT MODEL VARIANT 3 W/ STYLE PACKAGE W/O LIGHT, VISION PACKAGE W/O SEAT MODEL VARIANT 3 WHT/ORG WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/ORG WIRE

BLK WIRE BRN WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT HEAD RESTRAINT AMBIANCE ILLUMINATION FUSE 140 FUSE 142 FUSE 154 FUSE 156 FUSE 161 FUSE 163 GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT CENTER AIR VENT AMBIANCE ILLUMINATION LEFT FRONT FOOTWELL AMBIANCE ILLUMINATION LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR HANDLE AMBIANCE ILLUMINATION LEFT REAR DOOR STOWAGE COMPARTMENT ILLUMINATION LIN LINES SYSTEM NCA WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT FOOTWELL AMBIANCE ILLUMINATION RIGHT REAR DOOR HANDLE AMBIANCE ILLUMINATION RIGHT REAR DOOR STOWAGE COMPARTMENT ILLUMINATION RIGHT REAR FOOTWELL AMBIANCE ILLUMINATION RIGHT REAR SEAT HEAD RESTRAINT AMBIANCE ILLUMINATION VEHICLE INTERIOR FUSE, RELAY MODULE W/ SEAT MODEL VARIANT 3 WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/ORG 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 CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 164 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED NCA WIRE PNK WIRE RED/WHT WIRE SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER TEMP VEHICLE INTERIOR FUSE, RELAY MODULE

AUXILIARY HEATER HEATING ELEMENT BRN WIRE BRN/WHT WIRE CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM FUSE 169 GRN WIRE GRN/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MONO MULTI-FUNCTION CAMERA POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SIG VEHICLE INTERIOR FUSE, RELAY MODULE

AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CENTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 171 FUSE 42 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR PARKING SYSTEM DISTANCE SENSOR INNER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR OUTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR PARKING SYSTEM CONTROL UNIT PNK WIRE RED WIRE RED/WHT WIRE SIG VEHICLE INTERIOR FUSE, RELAY MODULE WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BACKUP CAMERA CONTROL UNIT (CENTER OF LIFTGATE) BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CAN HMI H CAN HMI L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 171 FUSE 21 HEAD UNIT HEAD UNIT/ INSTRUMENT CLUSTER CONTROL UNIT HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) NCA WIRE REAR CAMERA COVER MOTOR RED WIRE RED/WHT WIRE SHIELD SHIELD DISP/RVC SHIELD RVC SIG VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE W/ CONNECT 20 W/ CONNECT 5

AUXILIARY HEATER HEATING ELEMENT BRN WIRE BRN/WHT WIRE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BM FLEX-E BP FUSE 169 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED PNK WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SIG STEREO MULTI-FUNCTION CAMERA VEHICLE INTERIOR FUSE, RELAY MODULE W/ DISTRONIC DISTANCE-PILOT

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN C H CAN C L CAN PER H CAN PER L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM FL 1 FL 2 FL-GND FLEX-E BM FLEX-E BP FUEL PRESSURE SENSOR FUEL PUMP CONTROL UNIT (OUTER CENTER REAR UNDER BODY) FUEL QUALITY SENSOR FUSE 159 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MPAC U MPAC V MPAC W ORG/BLU WIRE PNK WIRE PNK/BLU WIRE PUMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SENS 1 SENS 1 GND SENS 2 SENS 2 GND SIG STARTING/ CHARGING SYSTEM VEHICLE INTERIOR FUSE, RELAY MODULE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE