Mercedes-Benz GLA-class X156 facelift (2017-2020) vehicle interior fuse box Wiring diagrams

ATA (EDW) FUNCTION IND BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM DATA DRIVER DOOR INFRARED REMOTE CONTROL RECEIVER DRIVER SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT FT DF FUSE 23 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT REAR DOOR LOCK MOT- ORG/BLU WIRE PNK WIRE PNK/BLU WIRE PNK/WHT WIRE PNK/YEL WIRE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED/BLK WIRE RIGHT REAR DOOR LOCK ROTARY TUMBLER SWITCH SIG UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX WHT WIRE

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 BRN/YEL WIRE CAN B H CAN B L CENTER ENGINE HOOD CONTACT SWITCH COMPUTER DATA LINES SYSTEM CONTACT SWITCH 1 CONTACT SWITCH 2 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 W/ ANTI-THEFT ALARM SYSTEM (ATA (EDW)), ECO START/STOP FUNCTION WHT WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE

ATA (EDW)/TOWING SENSOR/INTERIOR MOTION SENSOR CONTROL UNIT BLK WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FUSE 24 FUSE 26 FUSE 85 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR HANDLE ILLUMINATION MOT- REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR LOCK ROTARY TUMBLER SWITCH SIG VEHICLE INTERIOR FUSE BOX WHT WIRE

AUTOMATIC TRANSMISSION MODE BUTTON 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 CLUTCH TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM 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 FUSE 217 FUSE 220 FUSE 32 FUSE 84 GEAR CYLINDER PRESSURE 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 PARK PAWL SWITCHOVER VALVE PRND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SAM CONTROL UNIT (LEFT END OF DASH) SHIFT FORK POSITION SENSOR 1 SHIFT FORK POSITION SENSOR 2 SHIFT FORK POSITION SENSOR 3 SHIFT FORK POSITION SENSOR 4 SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) STEERING WHEEL UPSHIFT BUTTON SYSTEM PRESSURE CONTROL VALVE TRANSMISSION HOLLOW SHAFT RPM SENSOR TRANSMISSION MODE DISPLAY TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ DUAL CLUTCH TRANSMISSION YEL WIRE

4 MATIC ALL-WHEEL DRIVE CONTROL UNIT ALL-WHEEL DRIVE SOLENOID VALVE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM FUSE 101 FUSE 31 GRN WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED RED WIRE RED/GRN WIRE RED/WHT WIRE VEHICLE INTERIOR FUSE BOX WHT WIRE

ADAPTIVE DAMPING SYSTEM CONTROL UNIT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 47 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT REAR AXLE DAMPING VALVE UNIT NCA WIRE REAR BODY ACCELERATION SENSOR RED/YEL WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR AXLE DAMPING VALVE UNIT SIG SIG (H) SIG (L) VEHICLE INTERIOR FUSE BOX VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE

ALTERNATOR AMPLIFIER CONTROL UNIT AUDIO COMAND CONTROL PANEL AUDIO/ COMAND DISPLAY AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY SENSOR BLK WIRE BLU WIRE BRN WIRE CONTROL UNIT) DECOUPLING RELAY DRIVER SEAT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT FAN MOTOR FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FUEL PUMP CONTROL UNIT FUSE 1 FUSE 2 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 27 FUSE 3 FUSE 32 FUSE 33 FUSE 34 FUSE 36 FUSE 37 FUSE 38 FUSE 39 FUSE 4 FUSE 46 FUSE 5 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 6 FUSE 60 FUSE 61 FUSE 62 FUSE 63 FUSE 7 FUSE 73 FUSE 74 FUSE 75 FUSE 76 FUSE 77 FUSE 78 FUSE 8 FUSE 98 GRN WIRE GRY WIRE KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT N/A ON-BOARD ELECTRICAL SYSTEM BATTERY OVERHEAD CONTROL PANEL CONTROL UNIT PYROFUSE REAR SWITCHING MODULE RED WIRE RIGHT FRONT DOOR CONTROL UNIT SAM CONTROL UNIT SOUND SYSTEM STARTER STARTER FRONT-END RELAY STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 2 OF 5) TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 3 OF 5) TO FUSE 110 (DIAGRAM 2 OF 5) TO FUSE 47 (DIAGRAM 2 OF 5) TRAILER RECOGNITION CONTROL UNIT TRUNK LID/LIFT GATE CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO WIRE W/ MEMORY W/O KEYLESS-GO W/ KEYLESS-GO W/O MEMORY W/O START/STOP VOLTAGE DIP PROTECTION W/ START/STOP VOLTAGE DIP PROTECTION WHT WIRE YEL WIRE

A HF ADDITIONAL BATTERY AUX BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY ECO START/STOP FUNCTION ADDITIONAL BATTERY ELECTRONIC IGNITION SWITCH CONTROL UNIT FM, AM, CL (ZV) ANTENNA AMPLIFIER FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 2 OF 5) FT DF FUSE 26 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE LEFT FRONT DOOR CONTROL UNIT ORG/ WIRE RED WIRE RED/YEL WIRE SAM CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ ECO START/STOP FUNCTION, W/O START/STOP VOLTAGE DIP PROTECTION W/O ECO START/STOP FUNCTION, W/ START/STOP VOLTAGE DIP PROTECTION

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) 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

BLK/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH FUSE 73 FUSE 74 FUSE 93 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR MOTOR NCA WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX