Mercedes-Benz B-class W246 facelift (2014-2018) vio Wiring diagrams

ANTI-THEFT ALARM SYSTEM/EMERGENCY CALL SYSTEM BUTTON GROUP AUTOMATIC REAR END DOOR BLK WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CLA CLASS COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 236 FUSE 82 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HORN RLY HORNS SYSTEM HOT AT ALL TIMES LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LIFT GATE LOCKING PAWL SWITCH LIN B 13 MOT- ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PNK/BLU WIRE PNK/WHT WIRE PNK/YEL WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE ROTARY TUMBLER SWITCH S SIG SAM CONTROL UNIT (LEFT END OF DASH) SIG TRUNK LID/LIFTGATE CENTRAL LOCKING MOTOR TRUNK LID/LIFTGATE CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO WIRE WHT WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE C SIG CAN B H CAN B L COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, INTERIOR LIGHTS, ANTI-THEFT SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FUSE 26 FUSE 98 GRN WIRE GRN/BRN WIRE GRN/PNK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS, POWER WINDOWS SYSTEMS MEMORY SYSTEMS MOT- ORG/ WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/WHT WIRE ORG/YEL WIRE PNK/BLU WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/WHT WIRE RED/YEL WIRE S SIG SAM CONTROL UNIT (LEFT END OF DASH) SIG STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TFH O TFH S TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, DOOR LOCKS SYSTEMS TRUNK, TAILGATE, FUEL DOORS, INTERIOR LIGHTS SYSTEMS VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

30 AB 30 FH 30 IB SRA AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTER ENGINE HOOD CONTACT SWITCH CLA CLASS COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM ELV SIG ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FRA-L FRA-R FRONT ELECTRICAL PREFUSE BOX FUSE 236 FUSE 25 FUSE 4 FUSE 79 FUSE 80 GLA CLASS GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HORN RLY HORNS SYSTEM HOT AT ALL TIMES I/P INSTRUMENT CLUSTER SYSTEM LIN 1 MOT- ORG/BLU WIRE PLTFL L (+) SIG PLTFL L (+) UPLTFL R PLTFL R (+) GND SIG POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SAM CONTROL UNIT (LEFT END OF DASH) SIG SIG (1) SIG (2) SIG 3 SSK START STARTING/CHARGING SYSTEM UPLTFL L (+) VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/WHT WIRE W/ XENON HEADLAMPS W/O XENON HEADLAMPS WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIPER/WASHER SYSTEM WMV A/D WMV PP WSA YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L PNK ETH (+) WIRE CAN B L COMAND CONTROL UNIT COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM DIAG CAN B H DIAGNOSTIC CONNECTOR ETH (-) ETH WS FUSE 42 FUSE 49 GRN WIRE GRY WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE HOT W/ CIRCUIT LEFT FRONT DOOR SPEAKER LEFT MIRROR TRIANGLE TWEETER LEFT REAR DOOR SPEAKER LVDS MF (-) MOBILE PHONE CONTACT PLATE MOST DATA BUS CIRCUIT MOST IN MOST OUT MOST WS NCA WIRE ORG/ WIRE ORG/YEL WIRE PNK AS (+) WIRE PNK WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT MIRROR TRIANGLE TWEETER SHIELD SHIELD LVDS (+) TEL ST TEL WS V SIG VEHICLE INTERIOR FUSE BOX VIO WIRE W/O SOUND SYSTEM WHT WIRE YEL/BLU WIRE

A GPS A WLAN AUX BACKUP CAMERA BLU WIRE BLUETOOTH ANTENNA BRN WIRE BT KOM COMAND CONTROL UNIT (W/O AUDIO 20) RADIO (W/ AUDIO 20) DAT FM 2, DAB, ANTENNA AMPLIFIER FM, AM, CL (ZV) ANTENNA AMPLIFIER GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GPS ANTENNA GRN WIRE GRY WIRE LVDS LVDS (+) SHIELD MEDIA INTERFACE CONTROL UNIT CIRCUIT MULTI-FUNCTION ANTENNA NCA WIRE ORG/ WIRE PNK GND WIRE PNK WIRE SHIELD SHIELD GND SHIELD RVH SHIELD WLA SIG TUNER UNIT USB D- USB GND VEHICLE INFORMATION, COMMUNICATION SYSTEM (VICS) CONTROL UNIT VID VIO WIRE W/ DSRC TOLL COLLECTION SYSTEM W/ MULTI-FUNCTION ANTENNA W/O COMAND APS W/O MULTI-FUNCTION ANTENNA W/O SIRIUS SATELLITE RADIO WLAN ANTENNA YEL WIRE

AMBIENT LAMP BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE D/L FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT DOME LAMP SWITCH FUSE 39 FUSE 82 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT READING LAMP SWITCH LEFT INTERIOR LAMP LEFT MOUNTING CONSOLE INCIDENT ILLUMINATION LL (+) LL (+) GND NAVIGATION, DOOR LOCKS, ANTI-THEFT SYSTEMS ORG/ WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF SWITCH RAIN/LIGHT SENSOR REAR DOME LAMP, SWITCH REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR LAMP RIGHT MOUNTING CONSOLE INCIDENT ILLUMINATION SAM CONTROL UNIT SIG VEHICLE INTERIOR FUSE BOX VIO WIRE W/O RAIN SENSOR WHT WIRE WHT/YEL WIRE YEL WIRE

BL SIG BLU/ORG WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE EMERGENCY VEHICLE FUSE BOX FB (+) SOSI A FB A FUSE 1 FUSE 2 FUSE 6 FUSE 7 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LD A MF (+) PTT MF (-) NCA WIRE ORG/ WIRE PAS (GAS) CONTROL UNIT PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RKL (+) RKL A ROOF SIGN LAMP ELECTRICAL CONNECTOR ROTATING BEACON ELECTRICAL CONNECTOR SHD TF SIG VIO WIRE YEL WIRE

BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/WHT WIRE GRY WIRE LEFT, RIGHT ROOF LIGHT BAR ELECTRICAL CONNECTOR MICROPHONE ELECTRICAL CONNECTOR NCA WIRE ORG/ WIRE OUTSIDE SPEAKER ELECTRICAL CONNECTOR PNK WIRE RED/WHT WIRE ROOF LIGHT BAR SIGNALING SYSTEM OPERATING UNIT ELECTRICAL CONNECTOR SPECIAL SIGNAL SYSTEM OPERATING UNIT SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT TACHOGRAPH ELECTRICAL CONNECTOR VIO WIRE WHT WIRE YEL WIRE YEL/BRN WIRE

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DIAG FUSE 39 FUSE 41 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/YEL WIRE HALL ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT PANORAMIC SLIDING ROOF SWITCH PD MOH PD MOV PD MSH PD MSV R SIG RED WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (LEFT END OF DASH) SENSOR 1 SENSOR 2 STRAPPED DOWN SUN BLIND MOTOR VEHICLE INTERIOR FUSE BOX VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER KNEE BAG SQUIB DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH DRIVER SEAT POSITION DETECTION SWITCH ELECTRIC STEERING LOCK CONTROL UNIT FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER KNEE BAG SQUIB FRONT PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FRONT PASSENGER SEAT POSITION DETECTION SWITCH GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE INSTRUMENT CLUSTER KNEE BAG (+) LEFT FRONT DOOR PRESSURE SENSOR ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR PRESSURE SENSOR SEAT BELT WARNING LAMP IND STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/VIO WIRE YEL WIRE ZP (+) ELV-SIG ZP (-)