Mercedes-Benz B-class W246 facelift (2014-2018) can b l Wiring diagrams

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FUSE 25 FUSE 32 FUSE 56 GRN WIRE GRN/WHT WIRE HEADLAMP CLEANING SYSTEM PUMP HOT AT ALL TIMES INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE SAM CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE BOX WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

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

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FUSE 23 FUSE 24 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/BLU WIRE HOT AT ALL TIMES HUMIDITY/ TEMPERATURE SENSOR INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING LEFT FRONT DOOR CONTROL UNIT LEFT INSIDE REAR VIEW MIRROR INTERIOR LAMP LEFT OUTSIDE MIRROR LIGHT SENSOR (IF EQUIPPED) LIN ORG/ WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RAIN SENSOR (IF EQUIPPED) RAIN/LIGHT SENSOR REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT INSIDE REAR VIEW MIRROR INTERIOR LAMP RIGHT OUTSIDE MIRROR SAM CONTROL UNIT (LEFT END OF DASH) VEHICLE INTERIOR FUSE BOX VIO WIRE W/ EXTERIOR LIGHT, VISION PACKAGE YEL WIRE

BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 23 FUSE 236 FUSE 38 FUSE 73 FUSE 88 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH MULTI-FUNCTION DISPLAY NCA WIRE ORG/BLU WIRE PARKING BRAKE INDICATOR LAMP RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR SAM CONTROL UNIT SEAT BELT WARNING LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX YEL WIRE

BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR CLA CLASS, GLA CLASS COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON FUEL FILLER/ SOCKET FLAP CENTRAL LOCKING ACTUATOR FUSE 23 FUSE 78 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/PNK WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL MODULE MOT- NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE S SIG SAM CONTROL UNIT (LEFT END OF DASH) SIG S_SIG TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID RELEASE BUTTON TRUNK LID/ LIFTGATE CONTROL BUTTON TRUNK LID/ LIFTGATE CONTROL ELECTRIC MOTOR TRUNK LID/ LIFTGATE CONTROL HALL SENSOR TRUNK LID/LIFTGATE CENTRAL LOCKING MOTOR TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE CONTROL UNIT TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/LIFTGATE LOCKING ELEMENT TRUNK LID/LIFTGATE LOCKING PAWL SWITCH TRUNK LID/LIFTGATE ROTARY TUMBLER SWITCH VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/BRN WIRE VIO/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK WIRE BLK/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DECOUPLING RELAY FRONT ELECTRICAL PREFUSE BOX FUSE 239 FUSE 32 FUSE 56 FUSE 82 FUSE 96 GRN WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH MOT- NCA WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL UNIT RAIN/LIGHT SENSOR (W/ RAIN SENSOR) LIGHT SENSOR (W/O RAIN SENSOR) REAR WINDOW WIPER RELAY RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE SAM CONTROL UNIT (LEFT END OF DASH) SIG SPRAY NOZZLE HEATER SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR VEHICLE INTERIOR FUSE BOX VIO WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WINDSHIELD WASHER SYSTEM WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER ON/OFF RELAY WIPER LEVEL 1/2 RELAY WIPER MOTOR WIPER SWITCH WMV A/D WMV PP WMV WS YEL/GRN WIRE YEL/VIO WIRE

50 RELAY (DIAGRAM 2 OF 7) BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR DOWNSTREAM OF HIGH-VOLTAGE BATTERY COOLANT TEMPERATURE SENSOR UPSTREAM OF HIGH-VOLTAGE BATTERY COOLANT TEMPERATURE WARNING LAMP DEFOGGER SYSTEM DRIVE COOLANT TEMPERATURE SENSOR ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE DIAGNOSIS INDICATOR LAMP FROM CIRCUIT 15 RELAY (UNLATCHED) (DIAGRAM 2 OF 7) FROM STARTER CIRCUIT FUSE 206 FUSE 210 FUSE 212 FUSE 213 FUSE 214 FUSE 215 GRN WIRE GRN/BLU WIRE HEATING ELEMENT HIGH-VOLTAGE BATTERY COOLANT CIRCUIT HEATING ELEMENT INSTRUMENT CLUSTER MULTIFUNCTION DISPLAY N/A NCA WIRE ORG/ WIRE POT POWER DISPLAY POWER INDICATOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RES FUSE 209 SIG TEMPERATURE SENSOR THERMAL MANAGEMENT CONTROL UNIT (BEHIND REAR OF LEFT CARGO AREA TRIM PANEL) VIO WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE