Mercedes-Benz A-class W177 (2018-2023) power distribution system Wiring diagrams

58 D AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL CONTROL MODULE CLUTCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOOR LOCKS SYSTEM, ANTI-THEFT SYSTEMS DTRL ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM FUSE 21 FUSE 40 FUSE 42 FUSE 68 GND KLA GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/RED WIRE HAZARD SIG HB (+) HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT 15 RELAY ENERGIZED HOT W/ TERMINAL ILLU INSTRUMENT CLUSTER SYSTEM LB (+) MOT GND/(+) MOT GND/(+) HAZARD SIG NCA WIRE ORG/ WIRE PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/PNK WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED SIG SIG (1) SIG (2) SIG 3 SML STARTING/CHARGING SYSTEM TSI-L (+) TSIR (+) VALVE GND VIO WIRE VIO/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRY WIRE

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

BL/TSI (+) BLK WIRE BLK/RED WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN PER H CAN PER L CAN-B_H STERN CAN-B_L CENTER STOP LAMP COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 21 FUSE 22 FUSE 24 FUSE 48 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED L/PL/SML (+) DIAG LEFT FRONT LAMP UNIT LEFT LICENSE PLATE LAMP NCA WIRE PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RFL (+) RIGHT FRONT LAMP UNIT RIGHT LICENSE PLATE LAMP SAM CONTROL UNIT (RIGHT FRONT FOOTWELL) SIG SIG (1) SIG (2) SIG 3 TL (+) TL/PL/SML (+) DIAG VIO WIRE VIO/BLK WIRE VIO/GRN WIRE W/ DYNAMIC LED HEADLAMPS W/ STATIC LED HEADLAMPS YEL/WHT WIRE

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

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

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