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

BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FOOTWELL ILLUMINATION SWITCH FUSE 32 FUSE 91 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR NCA WIRE PEDAL OPERATION MONITOR BUZZER PEDAL OPERATION MONITOR SWITCH POWER DISTRIBUTION SYSTEM RED WIRE RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR AXLE RPM SENSOR SAM CONTROL UNIT (LEFT END OF DASH) SIG SSK START STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR VEHICLE INTERIOR FUSE BOX WHT/YEL WIRE YEL/GRN WIRE

BLK WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC REFRIGERANT COMPRESSOR ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX FUSE 5 GRN/BLK WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE HIGH-VOLTAGE DISCONNECT DEVICE HIGH-VOLTAGE POWER DISTRIBUTOR HIGH-VOLTAGE PTC HEATER HOT AT ALL TIMES HUMIDITY/ TEMPERATURE SENSOR HV- INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LIGHT SENSOR (-) LIN 1 LIN 1 IP NCA WIRE ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/RED WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL CONTROL UNIT POT POT POT PRE AIR CONDITIONING BUTTON RAIN SENSOR RAIN/LIGHT SENSOR (W/ RAIN SENSOR) LIGHT SENSOR (W/O RAIN SENSOR) RED WIRE RED/BLK WIRE RED/BRN WIRE S- SHD SAM CONTROL UNIT (LEFT END OF DASH) SHD SIG UPPER CONTROL PANEL CONTROL UNIT YEL 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

BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT AMBIANCE ILLUMINATION DRIVER SEAT CONTROL UNIT (UNDER DRIVER SEAT) DRIVER SIDE BAG SQUIB FOOTWELL ILLUMINATION DIODE 1 FOOTWELL ILLUMINATION DIODE 2 FOOTWELL ILLUMINATION SWITCH GRN WIRE GRN/PNK WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE INSTRUMENT ILLUMINATION CIRCUIT LEFT FRONT ILLUMINATED DOOR SILL MOLDING LEFT REAR DOOR AMBIANCE ILLUMINATION LEFT REAR DOOR DOOR HANDLE ILLUMINATION LEFT REAR DOOR LOCK LEFT REAR DOOR ROTARY TUMBLER SWITCH LEFT REAR FOOTWELL LAMP NCA WIRE ORG/ WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/GRN WIRE RIGHT FRONT ILLUMINATED DOOR SILL MOLDING RIGHT REAR DOOR AMBIANCE ILLUMINATION RIGHT REAR DOOR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR LOCK RIGHT REAR DOOR ROTARY TUMBLER SWITCH VIO/BLU WIRE W/O SEAT AMBIANCE ILLUMINATION W/ SEAT AMBIANCE ILLUMINATION WHT WIRE YEL WIRE YEL/BLU WIRE

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

BLK/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN EL H CAN EL L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 202 FUSE 207 FUSE 219 FUSE 220 FUSE 52 FUSE 57 FUSE 76 GRY/GRN WIRE HOT AT ALL TIMES HOT W/ STARTER CIRCUIT 50 RELAY ENERGIZED INSTRUMENT CLUSTER N/A PARK PAWL ACTUATOR MOTOR PARK PAWL ACTUATOR MOTOR CIRCUIT 87 RELAY PARK PAWL CONTROL UNIT PARK PAWL CONTROL UNIT CIRCUIT 87 RELAY PARK PAWL POSITION SENSOR POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SIG A SIG B VEHICLE INTERIOR FUSE BOX VIO/BRN WIRE VIO/GRN WIRE VIO/ORG WIRE VIO/RED WIRE VIO/YEL WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/WHT WIRE C SIG DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 DRIVER BELT FORCE LIMITER FRONT PASSENGER AIR BAG VENT VALVE SQUIB GRY WIRE HIGH-VOLTAGE POWER DISTRIBUTOR LEFT ACTIVE ENGINE HOOD SQUIB LEFT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR LEFT REAR DOOR PRESSURE SENSOR NCA WIRE RED WIRE RED/BLU WIRE RIGHT ACTIVE ENGINE HOOD SQUIB RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT REAR DOOR PRESSURE SENSOR VIO/BLU WIRE W/ ACTIVE ENGINE HOOD W/O ACTIVE ENGINE HOOD WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL 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 (-)

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE BOOSTER VACUUM PUMP RELAY BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN L H CAN L L CIRCUIT 15 RELAY (UNLATCHED) COMPUTER COMPUTER DATA LINES SYSTEM COOLANT EXPANSION RESERVOIR FILL LEVEL SENSOR (DUAL CHAMBER) DATA LINES SYSTEM DEFOGGER SYSTEM DRIVETRAIN CONTROL UNIT (LEFT END OF DASH) ELECTRIC VEHICLE SOUND GENERATOR ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 203 FUSE 207 FUSE 208 FUSE 211 FUSE 221 FUSE 222 FUSE 225 FUSE 226 FUSE 227 FUSE 228 FUSE 75 FUSE 91 GRN/WHT WIRE HIGH-VOLTAGE BATTERY COOLING SYSTEM SHUTOFF VALVE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED ORG/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTER CIRCUIT 50 RELAY TO CIRCUIT TO FUSE 206 (DIAGRAM 7 OF 7) VACUUM PUMP VEHICLE INTERIOR FUSE BOX WHT WIRE WHT/RED WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU/YEL WIRE CAN EL H CAN EL L COMPUTER DATA ELECTRIC MACHINE ELECTRIC MACHINE ROTOR POSITION SENSOR ELECTRIC REFRIGERANT COMPRESSOR (LOWER LEFT FRONT OF DRIVE MODULE ASSEMBLY) ENC A ENC B HV- LINES SYSTEM NCA WIRE ORG/ WIRE ORG/RED WIRE ORG/VIO WIRE POT PRX RED/BLK WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SHD SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT WHT/GRY WIRE WHT/RED WIRE YEL WIRE