Mercedes-Benz Metris W447 (2015-2024) 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 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

AUTOMATICALLY DIMMING INSIDE REAR VIEW MIRROR/ MIRROR TAXIMETER BLK/GRY WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM EC SIG EC+ FIREWALL FUSE, RELAY MODULE FUSE 101 FUSE 64 FUSE 65 GRY WIRE HOT AT ALL TIMES HUMIDITY SENSOR/ LIGHT SENSOR/RAIN SENSOR HUMIDITY SENSOR/ LIGHT SENSOR/RAIN SENSOR/ SUN SENSOR HUMIDITY, LIGHT SENSOR LEFT FRONT DOOR CONTROL UNIT LEFT MIRROR DIMMING LEFT OUTSIDE MIRROR OVERHEAD CONTROL PANEL (OCP (DBE)) CONTROL UNIT RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT MIRROR DIMMING RIGHT OUTSIDE MIRROR W/ RAIN SENSOR W/O 2 READING SPOTLAMPS W/ 2 READING SPOTLAMPS WHT WIRE YEL WIRE

15 RELAY (DIAGRAM 4 OF 7) BLK WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BODY MANUFACTURER CIRCUIT 15 RELAY BODY MANUFACTURER TERMINAL 61 RELAY BRN WIRE CIRCUIT 15 RELAY FIREWALL FUSE, RELAY MODULE FROM CIRCUIT FROM PREFUSE BOX (DIAGRAM 1 OF 7) FRONT CIGARETTE LIGHTER W/ ILLUMINATION ELECTRICAL CONNECTOR FUEL SYSTEM CONTROL UNIT (FSCU) FUSE 24 FUSE 26 FUSE 27 FUSE 303 FUSE 304 FUSE 311 FUSE 34 FUSE 89 FUSE 90 FUSE 92 GRY/BLU WIRE LEFT REAR BLIND SPOT ASSIST RADAR SENSOR LIGHT SWITCH N/A N/A N/A PARAMETERIZABLE SPECIAL MODULE (PSM) CONTROL UNIT RED WIRE RED/BLK WIRE RED/WHT WIRE RESERVE FUSE 28 RESERVE FUSE 300 RESERVE FUSE 301 RESERVE FUSE 302 RESERVE FUSE 305 RESERVE FUSE 306 RESERVE FUSE 307 RESERVE FUSE 308 RESERVE FUSE 309 RESERVE FUSE 310 RESERVE FUSE 312 RESERVE FUSE 314 RESERVE FUSE 315 RESERVE FUSE 316 RESERVE FUSE 317 RESERVE FUSE 318 RESERVE FUSE 319 RESERVE FUSE 320 RESERVE FUSE 321 RESERVE FUSE 70 RESERVE FUSE 71 RESERVE FUSE 72 RESERVE FUSE 91 RIGHT REAR BLIND SPOT ASSIST RADAR SENSOR RIGHT SLIDING DOOR (E-LSTR) CONTROL UNIT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TRAILER RECOGNITION (AAG) CONTROL UNIT W/ SMOKER'S PACKAGE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BSM BSM BEREIT BSM WARN CAN B H CAN B L COMPUTER DATA LINES SYSTEM EC SIG EC+ FIREWALL FUSE, RELAY MODULE FUSE 64 FUSE 65 GRN WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HZG - LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT MIRROR DIMMING LEFT MIRROR HEATER LEFT OUTSIDE MIRROR LIN MIRROR FOLD-IN MOTOR MIRROR IN/OUT ADJUSTMENT MOTOR MIRROR IN/OUT ADJUSTMENT POTENTIOMETER MIRROR UP/DOWN ADJUSTMENT MOTOR MIRROR UP/DOWN ADJUSTMENT POTENTIOMETER NCA WIRE RED/BLU WIRE RED/WHT WIRE SIG SPGL F SPGL G WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/PNK 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 SCROLL FORWARD/ BACK BUTTON STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCK SPRING 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 WHEEL BUTTON GROUP WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

BLK WIRE BLU/BRN WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL PANEL FH HOCH FH OEF FH SCHL FH TIEF FH TIEF SENS + FIREWALL FUSE, RELAY MODULE FRONT PASSENGER POWER WINDOW SWITCH FUSE 64 FUSE 65 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT POWER WINDOW MOTOR LEFT FRONT POWER WINDOW SWITCH LEFT VENT WINDOW SWITCH LIN RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT POWER WINDOW MOTOR RIGHT FRONT POWER WINDOW SWITCH RIGHT VENT WINDOW SWITCH SENS WHT/BLU WIRE WHT/BRN WIRE WHT/PNK 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

BBV 1 BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B H COC CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DREHF - DREHF SIG DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FIREWALL FUSE, RELAY MODULE FSB FUSE 110 FUSE 38 FUSE 64 FUSE 88 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT FRONT DOOR CENTRAL LOCKING ACTUATOR LEFT FRONT DOOR CONTROL UNIT M BFKS NCA WIRE ORG/GRN WIRE PARKING BRAKE INDICATOR SWITCH RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT BRAKE WEAR SENSOR ROTARY TUMBLER MICROSWITCH SIG BFKS SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT VIO/WHT WIRE WHT WIRE WHT/BRN WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 99 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT FRONT TIRE PRESSURE SENSOR LEFT REAR TIRE PRESSURE SENSOR RED/WHT WIRE RIGHT FRONT TIRE PRESSURE SENSOR RIGHT REAR TIRE PRESSURE SENSOR TIRE PRESSURE MONITOR (RDK) CONTROL UNIT

BLK WIRE BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DIRECT SELECT SELECTOR LEVER ELECTRIC AUXILIARY OIL PUMP ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FUSE 207 FUSE 227 FUSE 228 FUSE 49 FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER (KI) CONTROL UNIT INTELLIGENT SERVO MODULE (ISM) CONTROL UNIT FOR DIRECT SELECT INTERNAL INPUT SPEED RPM SENSOR LSP + NCA WIRE OUTPUT SHAFT RPM SENSOR PNK/RED WIRE RED/BLU WIRE RED/YEL WIRE SELECTION RANGE SENSOR STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON TORQUE CONVERTER LOCKUP CLUTCH CONTROL SOLENOID VALVE TRANSMISSION MODE BUTTON TRANSMISSION OIL AUXILIARY PUMP CONTROL UNIT TURBINE WHEEL RPM SENSOR UPPER CONTROL PANEL (UCP (OBF))CONTROL UNIT W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST W/O ACTIVE PARKING ASSIST, LANE KEEPING ASSIST WORKING PRESSURE CONTROL SOLENOID VALVE