Mercedes-Benz Metris W447 (2015-2024) firewall fuse, relay module Wiring diagrams

BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAMERA COVER (KAB) CONTROL UNIT CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENDSCHL FIREWALL FUSE, RELAY MODULE FUSE 108 GRN/WHT WIRE HOT AT ALL TIMES LIFTGATE OPENING ASSIST MOT- RED/BLU WIRE RED/WHT WIRE REVERSING CAMERA/ 360 DEGREES CAMERA LIFTGATE OPEN SWITCH, EXTERNAL OPERATION RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT VIO/GRN 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

AUDIO GND AUDIO L+ AUDIO R- AUX AUX GND AUX L + AUX R + BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 29 FUSE 33 FUSE 49 FUSE 86 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR BASS/ MIDRANGE SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR SIDE WALL SPEAKER LEFT REAR SIDE WALL TWEETER MIC - MIC 1+ NAVI GND NAVI LVDS R- NAVI SPARE NAVI VOICE (+) NAVIGATION CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE RADIO (AUDIO) RCAM REAR CAMERA CIRCUIT RED/BLU WIRE RED/GRN WIRE RED/PNK WIRE RED/YEL WIRE RIGHT FRONT DOOR BASS/ MIDRANGE SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR SIDE WALL SPEAKER RIGHT REAR SIDE WALL TWEETER SHIELD SHIELD ANT SHIELD NAVI 1 SHIELD RCAM USB USB DATA - USB DATA+ USB USB GND USB/AUX CONNECTION WHT WIRE YEL WIRE

BACKUP LAMPS CIRCUIT BL HIL BL L VO/SEITL BL R VO/SEITL BLI HI RE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BR 3 BR SL/LED- BR L BR SL/LED-BR R BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 101 FUSE 79 FUSE 84 FUSE 89 GND LDS GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD WARNING SYSTEM BUTTON HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER (KI) CONTROL UNIT KZL LI LEFT ADDITIONAL TURN SIGNAL LAMP LEFT LICENSE PLATE LAMP LEFT REAR END DOOR LICENSE PLATE LAMP LIFTGATE THIRD BRAKE LIGHT LIGHT SWITCH NSL-L REAR END DOOR THIRD BRAKE LIGHT REAR FOG LIGHT BUTTON RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RFL L RFL R RIGHT ADDITIONAL TURN SIGNAL LAMP RIGHT END OF DASH) RIGHT LICENSE PLATE LAMP RIGHT REAR END DOOR LICENSE PLATE LAMP SI DEM R SIDEM, L SIG LDS 1 COC SIG LDS 2 SIG LDS 3 SIG LWR LDS SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TFL POS L TFL POS R UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT W/ ACTIVE PARKING, LANE KEEPING ASSIST W/ LIFTGATE W/O LIFTGATE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

BECKER MAP PILOT CONTROL UNIT BECKER MAP PILOT CONTROL UNIT MOUNT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FM/TMC FUSE 32 GPS GPS ANTENNA (TOP CENTER OF DASH) GRN WIRE HOT AT ALL TIMES LVDS TX- MIC - MIC GND NAVI LVDS R- NAVI SPARE NAVI VOICE (+) NCA WIRE ORG/ WIRE RADIO (AUDIO) RED/GRY WIRE RES 1 SHIELD SHIELD GPS SHIELD NAV SHIELD NAVI TMC TMC ANTENNA SPLITTER WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN E H CAN E L CENTER FRONT PARKTRONIC WARNING ELEMENT CENTER LEFT FRONT PARKTRONIC SENSOR CENTER LEFT REAR PARKTRONIC SENSOR CENTER RIGHT FRONT PARKTRONIC SENSOR CENTER RIGHT REAR PARKTRONIC SENSOR COC COMPUTER DATA LINES SYSTEM DATA SIG DRIVER ASSISTANCE SYSTEMS OPERATING PANEL CONTROL UNIT FIREWALL FUSE, RELAY MODULE FUSE 84 FUSE 97 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INNER LEFT FRONT PARKTRONIC SENSOR INNER LEFT REAR PARKTRONIC SENSOR INNER RIGHT FRONT PARKTRONIC SENSOR INNER RIGHT REAR PARKTRONIC SENSOR LEFT FRONT PARKTRONIC WARNING ELEMENT ORG/ WIRE OUTER LEFT FRONT PARKTRONIC SENSOR OUTER LEFT REAR PARKTRONIC SENSOR OUTER RIGHT FRONT PARKTRONIC SENSOR OUTER RIGHT REAR PARKTRONIC SENSOR PARKTRONIC BUTTON PARKTRONIC CONTROL UNIT (PTS) REAR PARKTRONIC WARNING ELEMENT RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT PARKTRONIC WARNING ELEMENT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT W/O HEADLINER WHT/BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

BRN WIRE CAN-G H COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 108 HOT AT ALL TIMES NCA WIRE PNK CAN G L WIRE PNK/WHT WIRE RADIO (AUDIO) RCAM RED/BLU WIRE REVERSING CAMERA (RFK) CONTROL UNIT SHIELD RCAM VIDEO CV-

BRN WIRE CAN-G H COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 108 HOT AT ALL TIMES NCA WIRE PNK CAN G L WIRE PNK/WHT WIRE RADIO (AUDIO) RCAM REAR-END DOOR REVERSING CAMERA (RFK) CONTROL UNIT RED/BLU WIRE SHIELD RCAM VIDEO CV-

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

54 BPG BLI LI BLI RE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 24 FUSE 26 FUSE 58 FUSE 75 FUSE 76 FUSE 77 GRY/BLK WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED NAFTA BRAKE BOOSTER ELECTRICAL CONNECTOR OVERHEAD CONTROL PANEL (OCP(DBE)) CONTROL UNIT POS R RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/PNK WIRE RED/YEL WIRE RFL (+) RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TOWING SENSOR BUTTON TRAILER RECOGNITION (AAG) CONTROL UNIT TRAILER SOCKET WHT/BLU WIRE