Mercedes-Benz GLA-class X156 facelift (2017-2020) red/wht Wiring diagrams

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

ACCELERATE, SET SWITCH ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/GRN WIRE BLK/YEL WIRE BLS H BLS L BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL DISTRONIC ELECTRIC CONTROLLER UNIT DISTRONIC WARNING LAMP IND DOWNHILL SPEED REGULATION BUTTON DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 214 FUSE 224 FUSE 32 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED INDICATOR SWITCH INSTRUMENT CLUSTER LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR LIN 1 ME-SFI (ME) CONTROL UNIT MOT- NCA WIRE OFF SWITCH OFFROAD PROGRAM BUTTON ORG/BLU WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RESUME FROM MEMORY SWITCH RIGHT FRONT AXLE RPM SENSOR RIGHT REAR AXLE RPM SENSOR SIG STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR (ON THROTTLE BODY) UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL/GRY 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 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/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED 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 REAR FOG LIGHT 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) STEERING COLUMN MODULE CONTROL UNIT SWITCH ILLUMINATION UPLTFL L (+) UPLTFL R (+) VEHICLE INTERIOR FUSE BOX WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

ATA (EDW) FUNCTION IND AUTOMATIC CHILD SEAT RECOGNITION AIR BAG OFF IND LAMP AUTOMATIC TRANSMISSION MODE BUTTON BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM DOWNHILL SPEED REGULATION BUTTON DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH DYNAMIC SELECT SWITCH ECO START/ STOP FUNCTION BUTTON ELECTRIC PARKING BRAKE SWITCH FUEL PRESSURE SENSOR (TOP OF FUEL TANK) FUEL PUMP CONTROL UNIT GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON LEFT FRONT HEATED SEAT BUTTON LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR LIN 1 M TRANSMISSION MODE BUTTON NCA WIRE OFFROAD PROGRAM BUTTON ORG/BLU WIRE PARKING SYSTEM BUTTON RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT FRONT HEATED SEAT BUTTON RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG STATIONARY HEATER BUTTON SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT YEL WIRE

AMBIENT LAMP BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE D/L FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT DOME LAMP SWITCH FUSE 39 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/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT READING LAMP SWITCH LEFT INTERIOR LAMP LEFT MOUNTING CONSOLE INCIDENT ILLUMINATION LL (+) LL (+) GND NAVIGATION, DOOR LOCKS, ANTI-THEFT SYSTEMS ORG/ WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF SWITCH RAIN/LIGHT SENSOR REAR DOME LAMP, SWITCH REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR LAMP RIGHT MOUNTING CONSOLE INCIDENT ILLUMINATION SAM CONTROL UNIT SIG VEHICLE INTERIOR FUSE BOX VIO WIRE W/O RAIN SENSOR WHT WIRE WHT/YEL WIRE YEL 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) 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 WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 39 FUSE 41 GRN WIRE GRY WIRE HALL SENSOR 1 HALL SENSOR 2 MOT- MOTOR ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT PANORAMIC SLIDING ROOF SWITCH RED WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (LEFT END OF DASH) SIG (1) SIG (2) VEHICLE INTERIOR FUSE BOX VIO WIRE

BATTERY SENSOR BLK WIRE BLU 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 CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ECO START/STOP FUNCTION BUTTON ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 210 FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LIN 1 LIN 1 IP ME-SFI (ME) CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/BLU WIRE PYROFUSE RED WIRE RED/WHT WIRE SAM CONTROL UNIT STARTER STARTER CIRCUIT 50 RELAY STARTER FRONT-END RELAY UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO/WHT WIRE W/ START/STOP VOLTAGE DIP PROTECTION W/O START/STOP VOLTAGE DIP PROTECTION W/ START/STOP VOLTAGE DIP PROTECTION WHT WIRE WHT/BRN WIRE

BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 102 FUSE 202 FUSE 84 GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LIN 1 MULTI-FUNCTION ANTENNA NCA WIRE ORG/BLU WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE SHD A TEL SHD A TEL TEL SHD A TEL VIP SIG STATIONARY HEATER BUTTON STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT TELEPHONE, STATIONARY HEATER ANTENNA TELEPHONE, STATIONARY METER ANTENNA CHANGEOVER SWITCH UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX