Mercedes-Benz Vito W447 facelift (2018-2024) firewall fuse, relay module Wiring diagrams

ALARM SIREN W/ ADDITIONAL BATTERY ANTI-THEFT ALARM SYSTEM (ATA (EDW)) CONTROL UNIT ANTI-THEFT ALARM SYSTEM READINESS INDICATOR BLU/GRY WIRE BRN WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE HOOD SWITCH FIREWALL FUSE, RELAY MODULE FUSE 101 FUSE 201 GRY/GRN WIRE GRY/ORG WIRE HOT AT ALL TIMES INTERIOR PROTECTION SENSOR INTERIOR PROTECTION SWITCH LIN MHS OEF MHS SCHL OFF OVERHEAD CONTROL PANEL (OCP (DBE)) CONTROL UNIT RED WIRE RED/BLK WIRE RED/VIO WIRE RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT W/O ANTI-THEFT ALARM SYSTEM YEL/BRN WIRE

1 2 GND AIR CONDITIONING CONTROL, OPERATING UNIT (FRONT, REAR KLA) AIR DISTRIBUTION ACTUATOR MOTOR BLK/BLU WIRE BLOWER MOTOR BLU/BRN WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM FIREWALL FUSE, RELAY MODULE FRESH AIR/RAM AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 101 FUSE 21 FUSE 31 FUSE 54 FUSE 81 GRN/BRN WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES HSH RT KOMP KPLG LEFT BLENDING AIR FLAP ACTUATOR LIN LIN DATA PNK/BLK WIRE PNK/GRN WIRE PNK/ORG WIRE PNK/RED WIRE PNK/VIO WIRE PTC HEATER BOOSTER CONTROL UNIT REAR AIR CONDITIONING EVAPORATOR SHUTOFF VALVE REAR AIR CONDITIONING EVAPORATOR TEMPERATURE SENSOR REAR AIR DISTRIBUTION ACTUATOR MOTOR REAR BLEND AIR FLAP ACTUATOR MOTOR REAR END BLOWER MOTOR RED WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR SENS SENS GND SIG VENT KOMP VENT ZU HECK VENTIL VERDAMPF VERDAMPF HECK VIO/WHT WIRE WHT/RED WIRE ZWP +

1 2 GND AIR CONDITIONING CONTROL, OPERATING UNIT (FRONT, REAR KLA) AIR DISTRIBUTION ACTUATOR MOTOR BLK/BLU WIRE BLOWER MOTOR BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM FIREWALL FUSE, RELAY MODULE FRESH AIR/AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 101 FUSE 21 FUSE 31 FUSE 54 FUSE 81 GRN/BRN WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES HSH RT KOMP KPLG LEFT BLENDING AIR FLAP ACTUATOR LIN PNK/BLK WIRE PNK/GRN WIRE PNK/ORG WIRE PNK/RED WIRE PNK/VIO WIRE PTC HEATER BOOSTER CONTROL UNIT RAM AIR FLAP ACTUATOR MOTOR REAR AIR CONDITIONING EVAPORATOR SHUTOFF VALVE REAR AIR CONDITIONING EVAPORATOR TEMPERATURE SENSOR REAR AIR DISTRIBUTION ACTUATOR MOTOR REAR BLEND AIR FLAP ACTUATOR MOTOR REAR END BLOWER MOTOR RED WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR RIGHT BLENDING AIR FLAP ACTUATOR SIG VENT KOMP VENT ZU HECK VENTIL VERDAMPF VERDAMPF HECK VIO/WHT WIRE WHT/RED WIRE ZWP +

ADDITIONAL BATTERY ALTERNATOR BACKUP BATT BACKUP BATTERY BATTERY CUTOFF RELAY BATTERY SENSOR (ON BATTERY) BLK WIRE BLK/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM ECO START/STOP FUNCTION DIODE ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT EMERGENCY-P BATTERY EMERGENCY-P BATTERY/ BACKUP BATTERY FUSE FIREWALL FUSE, RELAY MODULE FUSE 22 FUSE 25 GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER (KI) CONTROL UNIT ME-SFI (ME) CONTROL UNIT NCA WIRE NOT BATT - ON-BOARD ELECTRICAL SYSTEM BACKUP BATTERY RELAY ON-BOARD ELECTRICAL SYSTEM BATTERY PREFUSE BOX PREFUSE BOX/ ALTERNATOR ELECTRICAL DISTRIBUTOR RAIL PREFUSE BOX/ STARTER ELECTRICAL DISTRIBUTOR RAIL PYROFUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STARTER SUPPLEMENTAL RESTRAINTS SYSTEM TR SIG VIO WIRE W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION W/O ECO START/STOP FUNCTION WHT/BRN WIRE

BRN WIRE CAN-D H CAN-D L DIAGNOSTIC CONNECTOR ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT FIREWALL FUSE, RELAY MODULE FUSE 87 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES RED/ORG WIRE

A/T BBV 1 BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B H COC CAN B L CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM COOLANT LEVEL INDICATOR SWITCH FIREWALL FUSE, RELAY MODULE FSB FUEL PUMP W/ FUEL FEED MODULE FUEL SYSTEM CONTROL UNIT (FSCU) FUSE 110 FUSE 84 FUSE 88 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER (KI) CONTROL UNIT LIN M BFKS NAVIGATION SYSTEM OUTSIDE TEMPERATURE SENSOR PARKING BRAKE INDICATOR SWITCH RED/GRY WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT BRAKE WEAR SENSOR SENS SENS KWS - SIG SIG AT SIG BFKS SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT VIO/WHT WIRE W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST WHT WIRE WHT/BRN WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

ALARM SIREN W/ ADDITIONAL BATTERY ANTI-THEFT ALARM SYSTEM (ATA (EDW)) CONTROL UNIT ANTI-THEFT ALARM SYSTEM READINESS INDICATOR BLK/GRN WIRE BLU/GRY WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B H COC CAN B L CARGO VAN COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FRONT INTERIOR LAMP FUSE 101 FUSE 110 FUSE 201 GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMIDITY SENSOR/LIGHT SENSOR/RAIN SENSOR IL FOND + INTERIOR LAMP AUTOMATIC FUNCTION BUTTON INTERIOR LAMP BUTTON INTERIOR PROTECTION SENSOR INTERIOR PROTECTION SWITCH LEFT FRONT READING LAMP LEFT FRONT READING LAMP BUTTON LEFT MOUNTING CONSOLE INCIDENT ILLUMINATION LIN MIRRORS SYSTEM OFF OVERHEAD CONTROL PANEL (OCP (DBE)) CONTROL UNIT PANORAMIC SLIDING ROOF SWITCH RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR LAMP BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT READING LAMP RIGHT FRONT READING LAMP BUTTON RIGHT MOUNTING CONSOLE INCIDENT ILLUMINATION SIG SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TOWING SENSOR BUTTON WHT WIRE YEL WIRE

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT SELECTOR LEVER DISTRONIC CONTROL FIREWALL FUSE, RELAY MODULE FUSE 30 FUSE 49 GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT AT ALL TIMES INDICATOR INDICATOR SWITCH INSTRUMENT CLUSTER (KI) CONTROL UNIT L OK LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LOW BEAM SWITCH LSP + MUTE BUTTON MUTE SBS NCA WIRE OFF SWITCH OK BUTTON R RETURN RED WIRE RED/BLU WIRE RESUME FROM MEMORY SWITCH RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL ANSWER/ END CALL TURN SIGNAL LAMPS SWITCH U MFL L U MFL R UP/DOWN VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ LANE KEEPING ASSIST WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

BATTERY SENSOR (ON BATTERY) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM ECO START/STOP FUNCTION BUTTON ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL (VGS) ELECTRIC CONTROLLER UNIT FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LIN ME-SFI (ME) CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY PREFUSE BOX PREFUSE BOX/ STARTER ELECTRICAL DISTRIBUTOR RAIL PYROFUSE RED WIRE RED/BLK WIRE RED/YEL WIRE STARTER STARTER CIRCUIT 50 RELAY STRH STRL SUPPLEMENTAL RESTRAINTS SYSTEM UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT VIO WIRE W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST W/O ACTIVE PARKING ASSIST, LANE KEEPING ASSIST

ACCELERATOR PEDAL MODULE BACKUP RELAY BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FUSE 223 FUSE 234 FUSE 56 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES PREFUSE BOX HOT W/ BACKUP RELAY ENERGIZED HOT W/ CIRCUIT 15 RELAY ENERGIZED RED WIRE RED/BLU WIRE SIG VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE