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

15 DS HR 30 ECU 30 M 30 VR 54 BPG ASR OFF BUTTON BBV 1 BL SIG BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLS H BLS L BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COC COMPUTER DATA LINES SYSTEM DP HL DP HR DP VL DP VR DS HL+ DS VL DS VR ELECTRONIC STABILITY PROGRAM (ESP) CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FSB FUSE 110 FUSE 204 FUSE 218 FUSE 230 FUSE 237 FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR M BFKS NCA WIRE PARKING BRAKE INDICATOR SWITCH PNK/BLK WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE RED WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR AXLE RPM SENSOR SIG BFKS SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STOP LAMP SWITCH UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT VIO/WHT WIRE W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST W/O ACTIVE PARKING ASSIST, LANE KEEPING ASSIST WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE 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 31 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 REAR HEATER/AIR CONDITIONER AIR RECIRCULATION UNIT RED WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR SENS SIG VENT KOMP VENT ZU HECK VENTIL VERDAMPF VERDAMPF HECK 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 31 PNK/BLK WIRE PNK/GRN WIRE PNK/ORG WIRE PNK/RED WIRE PNK/VIO WIRE POTI (+) 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 REAR HEATER/AIR CONDITIONER AIR RECIRCULATION UNIT RED WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR RIGHT BLENDING AIR FLAP ACTUATOR SENS SIG VENT KOMP VENT ZU HECK VENTIL VERDAMPF VERDAMPF HECK WHT/RED WIRE ZWP +

BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BSM BSM BEREIT BSM WARN CAN B H CAN B L CAN-G H CAN-G L COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 64 FUSE 65 FUSE 90 GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR BLIND SPOT ASSIST RADAR SENSOR PNK WIRE PNK/WHT WIRE RED/BLU WIRE RED/WHT WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT REAR BLIND SPOT ASSIST RADAR SENSOR

ACCEL SET/ ACCELERATOR PEDAL MODULE (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/RED WIRE BLS H BLS L BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DCM DCP DECEL/ SET DISTRONIC CONTROL ELECTRONIC STABILITY PROGRAM (ESP) CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL (VGS) ELECTRIC CONTROLLER UNIT FUSE 216 FUSE 49 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INDICATOR SWITCH INSTRUMENT CLUSTER (KI) CONTROL UNIT ME-SFI (ME) CONTROL UNIT OFF OUTPUT SHAFT RPM SENSOR PNK/BLK WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE RED/BLU WIRE RED/YEL WIRE RESUME FROM MEMORY STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) THROTTLE VALVE ACTUATOR (ON THROTTLE BODY) VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE YEL/GRY 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

ABL L ABL R BLK/BLU WIRE BLK/PNK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B H COC CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FL L FL R FRONT FOG LAMP BUTTON FSB FUSE 229 FUSE 231 FUSE 79 FUSE 89 FUSE 98 GND LDS GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED HUMIDITY SENSOR/LIGHT SENSOR/ RAIN SENSOR/SUN SENSOR INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT FOG LAMP LEFT FRONT LAMP UNIT LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR LEFT HIGH BEAM LEFT LOW BEAM LEFT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT LIGHT SWITCH NSW L PNK LWR L WIRE NSW R PNK LWR R WIRE OVERHEAD CONTROL PANEL (OCP(DBE)) CONTROL UNIT PARKING BRAKE INDICATOR SWITCH PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT FOG LAMP RIGHT FRONT LAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT HIGH BEAM RIGHT LOW BEAM RIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT SIG SIG LDS 1 SIG LDS 2 SIG LDS 3 SIG LWR LDS SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TFL POS L TFL POSR W/ SMOKER'S PACKAGE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BRN WIRE BRN/WHT WIRE CAN B H CAN B L CAN-G H COMPUTER DATA LINES SYSTEM DRIVER ASSISTANCE SYSTEMS OPERATING PANEL CONTROL UNIT FIREWALL FUSE, RELAY MODULE FUSE 106 FUSE 84 HOT AT ALL TIMES LANE KEEPING ASSIST BUTTON MULTI-FUNCTION CAMERA (MFK) CONTROL UNIT MULTI-FUNCTION CAMERA WINDSHIELD HEATER FIELD ORG/ WIRE PNK CAN G L WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT WSS+

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

BLK WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER THORAX-PELVIS SIDE BAG SQUIB FIREWALL FUSE, RELAY MODULE FRONT PASSENGER SEAT POSITION DETECTION FRONT PASSENGER THORAX-PELVIS SIDE BAG SQUIB FUSE 38 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT B-PILLAR BODY ACCELERATION SENSOR LEFT FRONT DOOR PRESSURE SENSOR LEFT FRONT WINDOW BAG SQUIB LEFT FRONTAL ACCELERATION SENSOR ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/PNK WIRE ORG/VIO WIRE PNK WIRE RED/BLK WIRE RED/BLU WIRE RIGHT B-PILLAR BODY ACCELERATION SENSOR RIGHT FRONT DOOR PRESSURE SENSOR RIGHT FRONT WINDOW BAG SQUIB RIGHT FRONTAL ACCELERATION SENSOR RIGHT SLIDING DOOR PRESSURE SENSOR SIG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT VIO/GRN WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE