Mercedes-Benz GLA-class X156 facelift (2017-2020) brn Wiring diagrams

ACCEPT/ TERMINATE PHONE CALL BUTTON AS N (+) AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY AUX GND AUX L + AUX R + BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/YEL WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L COMAND CONTROL UNIT (W/ NAVIGATION) RADIO (W/O NAVIGATION) COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM DELETE BUTTON DIAG DRIVE KIT CONTROL UNIT FUSE 33 FUSE 37 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MF (-) MUTE FUNCTION BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RED/VIO WIRE RED/YEL WIRE RESET, BACK BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) SYSTEM SELECTION BUTTON V SIG VEHICLE INTERIOR FUSE BOX VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WHT WIRE YEL WIRE

BLK/GRN WIRE BLK/VIO WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 36 FUSE 60 GRN WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES MOT- ORG/WHT WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE SAM CONTROL UNIT SEATS SYSTEM SIG VEHICLE INTERIOR FUSE BOX VIO/GRN WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 23 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP MOT- RED/BLK WIRE RED/YEL WIRE SEATS SYSTEM SIG VEHICLE INTERIOR FUSE BOX WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

AS GND AS L AS R BLK WIRE BLU WIRE BRN WIRE COMAND CONTROL UNIT FUSE 104 GRN WIRE HOT AT ALL TIMES MEDIA INTERFACE CONTROL UNIT MEDIA INTERFACE ELECTRICAL CONNECTOR NCA WIRE ORG/ WIRE RED WIRE RED/BLU WIRE SHD SHIELD SR GND SR RX SR TX USB DATA - USB GND VEHICLE INTERIOR FUSE BOX VID RVH VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FUSE 24 GRN WIRE HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HORIZONTAL INCLINATION ADJUSTMENT POTENTIOMETER HOT AT ALL TIMES LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH MIRROR HEATER MOT- OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH OUTSIDE MIRROR FOLD-IN/FOLD-OUT ELECTRIC MOTOR PNK WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SIG TA B (+) TA W (+) VEHICLE INTERIOR FUSE BOX VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL INCLINATION ADJUSTMENT POTENTIOMETER

AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 23 GRN WIRE HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HORIZONTAL INCLINATION ADJUSTMENT POTENTIOMETER HOT AT ALL TIMES LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER MOT- OUTSIDE MIRROR FOLD-IN/FOLD-OUT ELECTRIC MOTOR PNK WIRE RED/BLK WIRE RED/YEL WIRE SIG TA B (+) TA W (+) VEHICLE INTERIOR FUSE BOX VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL INCLINATION ADJUSTMENT POTENTIOMETER

31 CODE BLK/GRN WIRE BLK/VIO WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER BACKREST SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 46 FUSE 59 GRN WIRE GRY/GRN WIRE HOT AT ALL TIMES MOT- ORG/BLU WIRE RED WIRE RED/BLK WIRE RED/BRN WIRE SAM CONTROL UNIT SEATS SYSTEM SIG VEHICLE INTERIOR FUSE BOX VIO/GRN WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 24 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES MOT- RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP SEATS SYSTEM SIG VEHICLE INTERIOR FUSE BOX WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BRN WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS ADD, VOLUME CONTROL CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL (IF EQUIPPED) DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 FUSE 32 FUSE 56 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT AT ALL TIMES INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LOW BEAM SWITCH MULTI- FUNCTION MUTE FUNCTION BUTTON OFF SWITCH OK BUTTON PNK WIRE RED WIRE RED/BLU WIRE RESET, BACK BUTTON RESUME FROM MEMORY SWITCH RIGHT RIGHT FANFARE HORN SYSTEM BUTTON SCROLL FORWARD/ BACK BUTTON SIG STEERING STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TURN SIGNAL LAMPS SWITCH VEHICLE INTERIOR FUSE BOX VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ DUAL CLUTCH TRANSMISSION WHEEL BUTTON GROUP WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

AUDIO H AUDIO L+ BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER DRIVE KIT CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 110 FUSE 61 GRN WIRE GRY WIRE GRY/WHT WIRE HERMES CONTROL UNIT HOT AT ALL TIMES LEFT REAR SURROUND SPEAKER MOST DATA BUS CIRCUIT MOST IN MOST OUT MOS MOST WS ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/YEL WIRE RIGHT REAR SURROUND SPEAKER SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT TEL ST TELEMATICS SERVICES COMMUNICATION MODULE VEHICLE INTERIOR FUSE BOX VIO WIRE W/ DRIVE KIT PLUS W/ HERMES W/O DRIVE KIT PLUS WHT WIRE YEL WIRE