Mercedes-Benz Vito W447 facelift (2018-2024) steering column tube module (mrm) control unit Wiring diagrams

AM/FM ANSWER ANT AUDIO 15, W/O BECKER MAP PILOT, PREINSTALLATION FOR BECKER MAP PILOT BECKER MAP PILOT, PREINSTALLATION FOR BECKER MAP PILOT BLK WIRE BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT END CALL FM/AM ANTENNA FM/AM ANTENNA AMPLIFIER FM/TMC FZV GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE HANDS-FREE SYSTEM MICROPHONE HF DATEN L OK LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE,SBS NAVIGATION CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE R RETURN RED/BLU WIRE RED/PNK WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SHIELD STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL ELECTRONICS TEL TMC TMC ANTENNA SPLITTER U MFL L U MFL R UP/DOWN WHT WIRE

ACCEL/ SET SWITCH 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 DECAL/ SET SWITCH DISTRONIC CONTROL DRIVETRAIN CONTROL UNIT 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 223 FUSE 49 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED INDICATOR SWITCH INSTRUMENT CLUSTER (KI) CONTROL UNIT ME-SFI (ME) CONTROL UNIT OFF SWITCH OUTPUT SHAFT RPM SENSOR PNK/BLK WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE RED/BLU WIRE RED/YEL WIRE RELAY ENERGIZED RESUME FROM MEMORY SWITCH SIG 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 WHT WIRE YEL/GRY WIRE

AIR CONDITIONING CONTROL, OPERATING UNIT (FRONT, REAR KLA) ANTENNA VOLTAGE CONVERTOR BACKUP LAMP SWITCH BATTERY SENSOR BECKER MAP PILOT CONTROL UNIT MOUNT BLK WIRE BRN WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CYLINDER IGNITION COIL 1 CYLINDER IGNITION COIL 2 CYLINDER IGNITION COIL 3 CYLINDER IGNITION COIL 4 DRIVER ASSISTANCE SYSTEMS OPERATING PANEL CONTROL UNIT ELECTRIC FAN ELECTRICAL POWER STEERING (ES) CONTROL UNIT ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT ENGINE HOOD SWITCH GLOVE BOX LAMP) HEATER COOLANT CIRCULATION PUMP INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT ADDITIONAL TURN SIGNAL LAMP LEFT FANFARE HORN LEFT FOG LAMP LEFT FRONT FOOTWELL LAMP LEFT FRONT LAMP UNIT LEFT FRONT LED LAMP UNIT LEFT SLIDING DOOR (E-LSTL) CONTROL UNIT ME-SFI (ME) CONTROL UNIT OIL LEVEL CHECK SWITCH REAR HEATER/ AIR CONDITIONER AIR RECIRCULATION UNIT RIGHT FRONT FOOTWELL LAMP STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT W/ LANE KEEPING ASSIST WINDSHIELD WASHER SYSTEM PUMP

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 BECKER MAP PILOT CONTROL UNIT MOUNT BLOWER MOTOR CAMERA COVER (KAB) CONTROL UNIT DRIVER SEAT HEATER/ VENTILATION CONTROL UNIT DRIVER SEAT HEATER/VENTILATION CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVETRAIN CONTROL UNIT FROM CIRCUIT FRONT PASSENGER SEAT ADJUSTMENT W/ MEMORY CONTROL UNIT FUEL SYSTEM CONTROL UNIT (FSCU) FUSE 106 FUSE 108 FUSE 29 FUSE 30 FUSE 31 FUSE 32 FUSE 33 FUSE 36 FUSE 37 FUSE 38 FUSE 54 FUSE 56 FUSE 58 FUSE 59 FUSE 60 FUSE 61 FUSE 63 FUSE 64 FUSE 65 FUSE 74 FUSE 75 FUSE 76 FUSE 77 FUSE 79 FUSE 80 FUSE 81 HINGED REAR DOOR REVERSING CAMERA CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT MULTI-FUNCTION CAMERA (MFK) CONTROL UNIT N/A NAFTA BRAKE BOOSTER ELECTRICAL CONNECTOR RADIO (AUDIO) REAR HEATER/AIR CONDITIONER AIR RECIRCULATION UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/PNK WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 39 RESERVE FUSE 40 RESERVE FUSE 41 RESERVE FUSE 43 RESERVE FUSE 44 RESERVE FUSE 45 RESERVE FUSE 53 RESERVE FUSE 55 RESERVE FUSE 57 RESERVE FUSE 62 RESERVE FUSE 73 RESERVE FUSE 78 REVERSING CAMERA (RFK) CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT SLIDING DOOR (E-LSTR) CONTROL UNIT SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 3 OF 7) TO FUSE 42 (DIAGRAM 7 OF 7) TRAILER RECOGNITION (AAG) CONTROL UNIT W/ DRIVER SEAT LUMBAR SUPPORT W/ TWO-LEAF REAR DOOR W/O TWO-LEAF REAR DOOR

BLK WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE FROM CIRCUIT FROM FUSE 43 (DIAGRAM 5 OF 7) FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FUSE 25 FUSE 42 FUSE 49 FUSE 66 FUSE 68 FUSE 69 FUSE 93 FUSE 95 FUSE 96 FUSE 97 FUSE 99 GLOVE COMPARTMENT SWITCH ILLUMINATION LEFT REAR END DOOR WIPER MOTOR N/A PARKTRONIC CONTROL UNIT (PTS) PNK/YEL WIRE RADIO PRE- INSTALLATION ELECTRICAL CONNECTOR REAR WINDOW WIPER RELAY REAR WINDOW WIPER RELAY 2 RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 100 RESERVE FUSE 50 RESERVE FUSE 51 RESERVE FUSE 52 RESERVE FUSE 67 RIGHT REAR END DOOR WIPER MOTOR SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT TAILGATE WIPER MOTOR TIRE PRESSURE MONITOR (RDK) CONTROL UNIT W/ ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT W/ TWO LEAF REAR END DOOR W/O ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT W/O TWO LEAF REAR END DOOR WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT

AM/FM ANSWER ANT AUDIO 15, W/O BECKER MAP PILOT, PREINSTALLATION FOR BECKER MAP PILOT BECKER MAP PILOT, PREINSTALLATION FOR BECKER MAP PILOT BLK WIRE BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT END CALL FM/AM ANTENNA FM/AM ANTENNA AMPLIFIER FM/TMC FZV GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE HANDS-FREE SYSTEM MICROPHONE HF DATEN L OK LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE,SBS NAVIGATION CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE R RETURN RED/BLU WIRE RED/PNK WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SHIELD STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL ELECTRONICS TEL TMC TMC ANTENNA SPLITTER U MFL L U MFL R UP/DOWN WHT WIRE

BLEED VALVE SQUIB BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER AIR BAG SQUIB DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH DRIVER SEAT POSITION DETECTION FRONT PASSENGER AIR BAG SQUIB FRONT PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT C-PILLAR BODY ACCELERATION SENSOR LEFT SLIDING DOOR PRESSURE SENSOR NCA WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/PNK WIRE ORG/VIO WIRE PNK WIRE RED/GRN WIRE RED/VIO WIRE RIGHT C-PILLAR BODY ACCELERATION SENSOR SQUIB 1 (+) SQUIB 2 (-) STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT VIO WIRE VIO/GRN WIRE VIO/WHT WIRE W/ ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT W/O ELECTRICALLY ADJUSTABLE DRIVE SEAT W/ ELECTRICALLY ADJUSTABLE DRIVE SEAT W/O ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT WHT/BLK WIRE WHT/VIO WIRE

BLK 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 DIRECT SELECT SELECTOR LEVER ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT FIREWALL FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL (VGS) ELECTRIC CONTROLLER UNIT FUSE 49 FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER (KI) CONTROL UNIT LSP + NCA WIRE PREFUSE BOX RED/BLU WIRE RED/YEL WIRE STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST W/O ACTIVE PARKING ASSIST, LANE KEEPING ASSIST

BLK/PNK WIRE BLK/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FIREWALL FUSE, RELAY MODULE FUSE 101 FUSE 239 FUSE 96 GRN WIRE GRN/PNK WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ HUMIDITY SENSOR/LIGHT SENSOR/RAIN SENSOR HUMIDITY, LIGHT SENSOR INSTRUMENT CLUSTER (KI) CONTROL UNIT OVERHEAD CONTROL PANEL (OCP (DBE)) CONTROL UNIT RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR WINDOW WIPER RELAY REAR WINDOW WIPER RELAY 2 RED WIRE RED/VIO WIRE RELAY ENERGIZED STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT TAILGATE WIPER MOTOR VIO/BLU WIRE W/ RAIN SENSOR W/ TWO LEAF REAR END DOOR W/O TWO LEAF REAR END DOOR WHT WIRE WHT/BRN WIRE WHT/RED WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WIPER ON/OFF RELAY WIPER LEVEL 1/2 RELAY YEL WIRE