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

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 90 HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR SAM CONTROL UNIT T A B(+) T A W(+) VEHICLE INTERIOR FUSE BOX

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COLLISION PREVENTION ASSIST CONTROLLER UNIT COLLISION PREVENTION ASSIST WARNING LAMP COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 224 FUSE 88 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER RED WIRE RED/BLK WIRE VEHICLE INTERIOR FUSE BOX W/O ACTIVE PARK ASSIST W/ ACTIVE PARK ASSIST YEL 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

ACCEPT/ TERMINATE PHONE CALL BUTTON AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/PNK WIRE BRN/WHT WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DELETE BUTTON FUSE 104 FUSE 33 FUSE 37 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ CIRCUIT LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MUTE FUNCTION BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RESET, BACK BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP RIGHT REAR DOOR SPEAKER SCROLL FORWARD/ BACK BUTTON SHIELD SIG SIG PNK SIG WIRE STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON VEHICLE INTERIOR FUSE BOX VOICE CONTROL SYSTEM ON BUTTON W/O SOUND SYSTEM YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE DEDICATED SHORT-RANGE COMMUNICATIONS CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT ETC/DSRC ANTENNA GRN WIRE HSD MF (-) MULTIMEDIA CONNECTION UNIT NCA WIRE ORG/ WIRE RED/BLU WIRE SHIELD TEL ST TELEMATICS SERVICES COMMUNICATION MODULE USB D- USB GND USB SPLITTER YEL/BLU WIRE

A GPS A NOT A SDAR A TEL ANTI-THEFT ALARM SYSTEM/EMERGENCY CALL SYSTEM BUTTON GROUP ATEL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE C SIG CAN B H CAN B L CAN L H CAN L L CAN-D H CAN-D L CENTER INSTRUMENT PANEL SPEAKER CLA CLASS COMAND ACTUATION CIRCUIT COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 103 FUSE 82 GLA CLASS GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GRN WIRE GRN/ORG WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LIN B 13 MF (-) MULTI-FUNCTION ANTENNA NCA WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RED WIRE RED/BLK WIRE SHIELD SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TEL ST VEHICLE INTERIOR FUSE BOX W/ NAVIGATION SYSTEM W/ SOUND AMPLIFIER W/O NAVIGATION SYSTEM W/O SOUND AMPLIFIER WHT WIRE WHT/RED WIRE WHT/YEL WIRE

BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRA-R FRONT FOG LAMP BUTTON FUSE 229 FUSE 231 FUSE 232 FUSE 236 FUSE 89 GRN WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATION SWITCH LEFT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR LEFT FRONT EXTERIOR LIGHT LED ACTUATION MODULE LEFT FRONT LAMP UNIT LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR LEFT LIGHT DISTRIBUTION ACTUATOR MOTOR LEFT XENON BULB W/ INTEGRATED IGNITION MODULE LEFT XENON LIGHT POWER SUPPLY MODULE LOW BEAM SWITCH ORG/BLK WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR (W/ RAIN SENSOR) LIGHT SENSOR (W/O RAIN SENSOR) REAR FOG LAMP BUTTON RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR RIGHT FRONT EXTERIOR LIGHT LED ACTUATION MODULE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT LIGHT DISTRIBUTION ACTUATOR MOTOR RIGHT XENON BULB W/ INTEGRATED IGNITION MODULE RIGHT XENON LIGHT POWER SUPPLY MODULE SAM CONTROL UNIT (LEFT END OF DASH) SIG STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) UPLTFL L (+) UPLTFL R (+) VEHICLE INTERIOR FUSE BOX WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT B-CLASS, CLA CLASS GLA CLASS BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLA CLASS COMPUTER DATA LINES SYSTEM FRONT ELECTRICAL PREFUSE BOX FUSE 2 FUSE 23 FUSE 24 FUSE 34 FUSE 35 30 GRN WIRE HEATED REAR WINDOW HEATED REAR WINDOW RELAY HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR MIRROR HEATER REAR WINDOW HEATER BUTTON REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR VEHICLE INTERIOR FUSE BOX WHT WIRE YEL/RED WIRE

AUXILIARY HEATER HEATING ELEMENT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 106 HOT W/ CIRCUIT MULTI-FUNCTION CAMERA RED/GRN WIRE VEHICLE INTERIOR FUSE BOX YEL/BRN WIRE YEL/RED WIRE

AUTOMATIC TRANSMISSION MODE BUTTON (W/O DYNAMIC SELECT) AUX BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CLA CLASS, GLA CLASS CLUTCH TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM CONTROL VALVE DIRECT SELECT LEVER DOUBLE CLUTCH DOUBLE CLUTCH TRANSMISSION DRIVE SHAFT RPM SENSOR DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL UNIT DYNAMIC SELECT SWITCH ELECTRIC AUXILIARY OIL PUMP ELECTRONIC IGNITION SWITCH CONTROL UNIT EMS ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE SPEED SENSOR EXTENDED RANGE MODE BUTTON (B-CLASS) FUSE 217 FUSE 220 FUSE 32 FUSE 84 GEAR CONTROL CONTROL VALVE, GEAR CONTROL CONTROL VALVE, GEAR CYLINDER PRESSURE CONTROL VALVE CONTROL VALVE GEAR IND GRN WIRE GRN/WHT WIRE HALL SENSOR 1 HALL SENSOR 2 HALL SENSOR 3 HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER LIN 1 LIN 1 IP M TRANSMISSION MODE BUTTON ME-SFI (ME) CONTROL UNIT MOTOR NCA WIRE ORG/BLU WIRE PARK PAWL CONTROL UNIT CIRCUIT 87 RELAY PARK PAWL LIFT SOLENOID PARK PAWL POSITION SENSOR PRESSURE SENSOR PRND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SAM CONTROL UNIT (LEFT END OF DASH) SHIFT FORK SHIFT FORK POSITION POSITION SENSOR 3 SENSOR 1 SHIFT FORK SHIFT FORK POSITION POSITION SENSOR 4 SENSOR 2 SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) STEERING WHEEL UPSHIFT BUTTON SYSTEM PRESSURE CONTROL VALVE PARK PAWL SWITCHOVER VALVE TRANSMISSION HOLLOW SHAFT RPM SENSOR TRANSMISSION MODE BUTTON TRANSMISSION MODE DISPLAY TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ DUAL CLUTCH TRANSMISSION YEL WIRE