Mercedes-Benz Metris W447 (2015-2024) prefuse box Wiring diagrams

A/T BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLOWER W/ INTERIOR AIR TEMPERATURE SENSOR BLU/BRN WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM COOLANT LEVEL INDICATOR SWITCH (ON COOLANT RECOVERY TANK) COOLANT PUMP SWITCHOVER VALVE COOLANT TEMPERATURE SENSOR ELECTRIC FAN (BEHIND RADIATOR) ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM EVAPORATOR TEMPERATURE SENSOR EWP FUSE 213 FUSE 226 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HEATER COOLANT CIRCULATION PUMP HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED HUMIDITY SENSOR/LIGHT SENSOR/ RAIN SENSOR/SUN SENSOR HUMIDITY, LIGHT SENSOR (W/O RAIN SENSOR) HUMIDITY/ TEMPERATURE SENSOR LIGHT SENSOR (-) LUES ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL (OCP(DBE)) CONTROL UNIT PNK/GRN WIRE PREFUSE BOX RAIN SENSOR REAR OF ENGINE COMPT) RED WIRE RED/VIO WIRE REFRIGERANT COMPRESSOR RIGHT END OF DASH) SENS KWS - SIG AT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TMOT WHT WIRE WHT/RED WIRE YEL WIRE

A/T BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLOWER W/ INTERIOR AIR TEMPERATURE SENSOR BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM COOLANT LEVEL INDICATOR SWITCH (ON COOLANT RECOVERY TANK) COOLANT PUMP SWITCHOVER VALVE COOLANT TEMPERATURE SENSOR ELECTRIC FAN (BEHIND RADIATOR) ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM EVAPORATOR TEMPERATURE SENSOR EWP FUSE 213 FUSE 226 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HEATER COOLANT CIRCULATION PUMP HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED HUMIDITY SENSOR/LIGHT SENSOR/ RAIN SENSOR/SUN SENSOR HUMIDITY, LIGHT SENSOR (W/O RAIN SENSOR) HUMIDITY/ TEMPERATURE SENSOR LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR LIGHT SENSOR (-) LUES ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL (OCP(DBE)) CONTROL UNIT PNK/GRN WIRE PREFUSE BOX RAIN SENSOR REAR OF ENGINE COMPT) RED WIRE RED/VIO WIRE REFRIGERANT COMPRESSOR RIGHT END OF DASH) RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SENS KWS - SIG AT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TMOT WHT WIRE WHT/RED WIRE YEL WIRE

BACKUP RELAY BACKUP WARNING SYSTEM HORN BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H COC CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL (VGS) ELECTRIC CONTROLLER UNIT FUSE 220 FUSE 234 FUSE 235 FUSE 236 FUSE 238 HOT AT ALL TIMES LEFT BACKUP LAMP LEFT REAR LAMP UNIT N/A PREFUSE BOX RED WIRE RED/GRN WIRE RFL L RFL R RIGHT BACKUP LAMP RIGHT END OF DASH) RIGHT REAR LAMP UNIT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT WHT/BLU WIRE WHT/YEL WIRE

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 OR 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 E H CAN E L COMPUTER DATA LINES SYSTEM ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRICAL POWER STEERING (ES) CONTROL UNIT GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT PREFUSE BOX RED WIRE

ALARM SIREN W/ ADDITIONAL BATTERY BACKUP BATTERY BRN WIRE BRN/PNK WIRE BRN/VIO WIRE COLLISION WARNING SYSTEM RADAR SENSOR DRIVER SEAT HEATER/ VENTILATION CONTROL UNIT ECO START/STOP FUNCTION DIODE EMERGENCY-P BATTERY ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FRONT END CAN (CAN G) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR FRONT PASSENGER FOOTWELL FUSE, RELAY MODULE FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR NCA WIRE ON-BOARD ELECTRICAL SYSTEM BACKUP BATTERY RELAY PREFUSE BOX REAR PASSENGER COMPARTMENT SOCKET RELAY REAR WINDOW WIPER RELAY 2 RIGHT ADDITIONAL TURN SIGNAL LAMP RIGHT FOG LAMP RIGHT FRONT BRAKE WEAR SENSOR RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT LAMP UNIT RIGHT SLIDING DOOR (E-LSTR) CONTROL UNIT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT W/O ECO START/STOP FUNCTION W/O ECO START/STOP THEFT PROTECTION ANTI THEFT ALARM, ACTIVE PARKING SYSTEM WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE WIPER MOTOR

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COC CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FUSE 205 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FANFARE HORN PREFUSE BOX RED WIRE REL HORN RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL ELECTRONICS

AIR CONDITIONING CONTROL, OPERATING UNIT (FRONT, REAR KLA) BLK WIRE BRN WIRE FIREWALL FUSE, RELAY MODULE FUSE 35 GRY WIRE HEATED REAR WINDOW RELAY HOT AT ALL TIMES HSH RT LEFT REAR END DOOR REAR WINDOW HEATER PREFUSE BOX REAR WINDOW HEATER RED WIRE RIGHT REAR END DOOR REAR WINDOW HEATER W/ TWO LEAF REAR END DOOR W/O TWO LEAF REAR END DOOR

BATTERY SENSOR (ON BATTERY) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM ECO START/STOP FUNCTION BUTTON ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPT) FIREWALL FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION (VGS) ELECTRIC CONTROLLER UNIT FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED 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 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

AUTOMATIC CHILD SEAT RECOGNITION AIR BAG ON, OFF IND LAMP BLK WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE COC CRASH 1 CRASH 2 FIREWALL FUSE, RELAY MODULE FUSE 68 FUSE 69 FUSE 84 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LEFT CENTER WINDOW BAG SQUIB LEFT REAR WINDOW BAG SQUIB ME-SFI (ME) CONTROL UNIT N/A ORG/ WIRE ORG/WHT WIRE PNK WIRE PREFUSE BOX RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT CENTER WINDOW BAG SQUIB RIGHT END OF DASH) RIGHT REAR WINDOW BAG SQUIB SIG SIG CRASH SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SQUIB 1 (+) SQUIB 2 (-) SQUIB OF DRIVER-SIDE EMERGENCY TENSIONING RETRACTOR W/ BELT FORCE LIMITER SQUIB OF PASSENGER-SIDE EMERGENCY TENSIONING RETRACTOR W/ BELT FORCE LIMITER SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/WHT WIRE