Mercedes-Benz B-class W246 facelift (2014-2018) left front lamp unit Wiring diagrams

ABL L ABL R ACOUSTIC TURN SIGNAL LIGHT FUNCTION CHECK ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CAN-G H CAN-G L CENTER REAR OF LUGGAGE COMPT) CENTER STOP LAMP CLA CLASS COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH EXTERIOR LIGHTS LED ACTUATION MODULE GLA CLASS B-CLASS, CLA CLASS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE HEADLAMP CONTROL UNIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT LAMP UNIT LEFT OUTSIDE MIRROR LEFT TURN SIGNAL IND LIGHT MULTI-FUNCTION DISPLAY NCA WIRE ORG/BLK WIRE OUTSIDE MIRROR AMBIENT LAMP OUTSIDE MIRROR TURN SIGNAL LAMP PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT TURN SIGNAL IND LIGHT SIDE MARKER LAMP SW 1 SW 3 SW 4 SW 6 TURN SIGNAL LAMP TURN SIGNAL LIGHT/ SIDE MARKER LIGHT W/ XENON HEADLAMP W/O XENON HEADLAMP WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL/WHT WIRE

BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 203 FUSE 209 FUSE 73 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FRONT LAMP UNIT LEFT FRONT LAMP UNIT FAN MOTOR LEFT HEADLAMP CONTROL UNIT LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR LEFT HIGH BEAM LEFT LOW BEAM LEFT POSITION LIGHT, DAYTIME RUNNING LIGHT, TURN SIGNAL LIGHT RED WIRE RED/BLK WIRE RED/YEL WIRE SIG SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX 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

ALL-WHEEL DRIVE CONTROL UNIT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BACKUP CAMERA (IF EQUIPPED) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN A H CAN A L CAN C H CAN C L CAN-C H (IF EQUIPPED) CAN-C L COMAND CONTROL UNIT DRIVETRAIN CAN (CAN C) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ELECTRICAL POWER STEERING CONTROL UNIT FUEL PUMP CONTROL UNIT GRN WIRE GRN/WHT WIRE HEADLAMP CONTROL UNIT INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT MULTI-FUNCTION CAMERA PARKING SYSTEM CONTROL UNIT RIGHT FRONT LAMP UNIT TELEMATICS CAN (CAN A) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR TIRE PRESSURE MONITOR CONTROL UNIT W/ BI-XENON HEADLAMP UNIT, INTEGRATED CURVE ILLUMINATION W/O BI-XENON HEADLAMP UNIT, INTEGRATED CURVE ILLUMINATION

ABL L ABL R BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CAN-G H CAN-G L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION ELECTRIC PARKING BRAKE SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FUSE 232 FUSE 236 FUSE 32 FUSE 89 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HEADLAMP CONTROL UNIT HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATION SWITCH LEFT FRONT LAMP UNIT LEFT REAR POWER WINDOW SWITCH NCA WIRE ORG/BRN WIRE PEDAL OPERATION MONITOR SWITCH RED WIRE RED/GRN WIRE RIGHT FRONT LAMP UNIT RIGHT REAR POWER WINDOW SWITCH SAM CONTROL UNIT (LEFT END OF DASH) SIG (1) SIG (2) SIG 3 IP STEERING COLUMN MODULE CONTROL UNIT TWO-WAY RADIO SWITCH VEHICLE INTERIOR FUSE BOX

87 RELAY (DIAGRAM 1 OF 6) AC HOUSING, ATA (EDW)/ TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT BACKUP RELAY BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/VIO WIRE BRAKE BOOSTER VACUUM PUMP SUPPLY RELAY BRN WIRE BRN/RED WIRE CHARGING SOCKET ELECTRICAL CONNECTOR CIRCUIT 15 RELAY CIRCUIT 15 RELAY (UNLATCHED) CONTROL UNIT) DIAGNOSTIC CONNECTOR DRIVETRAIN CONTROL UNIT ELECTRIC VEHICLE SOUND GENERATOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FM, AM, CL (ZV) ANTENNA AMPLIFIER FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 6) FROM PARK PAWL ACTUATOR MOTOR CIRCUIT FUSE 101 FUSE 102 FUSE 103 FUSE 109 FUSE 110 FUSE 201 FUSE 202 FUSE 204 FUSE 221 FUSE 224 FUSE 225 FUSE 226 FUSE 227 FUSE 228 FUSE 229 FUSE 230 FUSE 231 FUSE 232 FUSE 236 FUSE 237 FUSE 79 FUSE 80 FUSE 81 FUSE 82 FUSE 83 FUSE 84 FUSE 85 FUSE 86 FUSE 87 FUSE 88 HEADLAMP CONTROL UNIT HEATED WINDSHIELD RELAY INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT NCA WIRE ORG/BLU WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PARK PAWL CONTROL UNIT CIRCUIT 87 RELAY POWER ELECTRONICS CONTROL UNIT POWER ELECTRONICS CONTROL UNIT, CHARGER CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SAM CONTROL UNIT STATIONARY HEATER UNIT TELEMATICS SERVICES COMMUNICATION MODULE, EMERGENCY CALL SYSTEM TO CIRCUIT TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 6) TO FUSE 234 (DIAGRAM 3 OF 6) UPPER CONTROL PANEL CONTROL UNIT VACUUM PUMP WINDSHIELD WIPER ON/OFF RELAY