Mercedes-Benz GLA-class X156 facelift (2017-2020) computer data lines system Wiring diagrams

360 DEGREE CAMERA CONTROL UNIT 360 DEGREE SYSTEM REVERSING CAMERA BLU WIRE BLU/WHT WIRE BRN WIRE COMAND CONTROL UNIT (W/O DVD CHANGER) COMPUTER DATA LINES SYSTEM FRONT END 360 DEGREE CAMERA FUSE 108 GND BS SHIELD GRN WIRE HOT AT ALL TIMES LEFT OUTSIDE MIRROR 360 DEGREE CAMERA LVDS NCA WIRE ORG/ WIRE RED/PNK WIRE RIGHT OUTSIDE MIRROR 360 DEGREE CAMERA SHIELD VEHICLE INTERIOR FUSE BOX

AUX GND AUX L + AUX R + BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 110 FUSE 42 GND HSD GRN WIRE HANDS-FREE SYSTEM MICROPHONE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT MIRROR TRIANGLE TWEETER LEFT REAR DOOR SPEAKER LVDS MF (-) MOBILE PHONE CONTACT PLATE MOST DATA BUS CIRCUIT MOST IN MOST OUT MOS MOST WS NCA WIRE ORG/ WIRE PNK AS (+) WIRE PNK WIRE RED/GRN WIRE RIGHT FRONT DOOR SPEAKER RIGHT MIRROR TRIANGLE TWEETER RIGHT REAR DOOR SPEAKER SHIELD SHIELD LVDS (+) SHIELD USB SOUND SYSTEMS TEL ST TEL WS USB D- USB ELECTRICAL CONNECTOR USB GND VEHICLE INTERIOR FUSE BOX VIO WIRE W/O SOUND SYSTEM WHT WIRE YEL WIRE

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

AUDIO FL H AUDIO FL L AUDIO FR H AUDIO FR L AUDIO RL L AUDIO RR H AUDIO RR L AUDIO/ COMAND CONTROLLER AUDIO/COMAND CONTROL PANEL BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN A L PNK ETH (+) WIRE CAN B L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR COMAND CONTROL UNIT COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM DELETE BUTTON DIAG CAN B H DIAGNOSTIC CONNECTOR ETH (-) ETH WS FUSE 42 FUSE 49 GRN WIRE GRY WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE (CENTER FRONT OF ROOF) HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT MIRROR TRIANGLE TWEETER LEFT REAR DOOR SPEAKER LVDS MF (-) MOBILE PHONE CONTACT PLATE MOST DATA BUS CIRCUIT MOST IN MOST OUT MOST WS NCA WIRE ORG/ WIRE ORG/YEL WIRE PNK AUDIO RL H WIRE PNK WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SHIELD SHIELD LVDS (+) SOUND CONTROL SOUND SYSTEMS SPLITTER, W/ ENGINE TEL ST TEL WS TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH V SIG VEHICLE INTERIOR FUSE BOX VID VIO WIRE W/ ENGINE SOUND CONTROL UNIT W/ LIVE TRAFFIC INFORMATION W/ NAVIGATION W/ SPORTY ENGINE SOUND W/O ENGINE SOUND CONTROL UNIT W/O LIVE TRAFFIC INFORMATION W/O SPORTY ENGINE SOUND W/O USB WAKE-UP WHT WIRE YEL WIRE YEL/BLU WIRE

AUDIO AUDIO H AUDIO L+ AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN C H CAN C L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT FL H FL L FR H FR-L FUSE 103 FUSE 104 FUSE 110 FUSE 33 FUSE 37 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LVDS NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT MIRROR TRIANGLE TWEETER RIGHT REAR DOOR SPEAKER RL H RL L RR H RR-L SHIELD STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT VEHICLE INTERIOR FUSE BOX VIO WIRE W/ ENGINE SOUND CONTROL UNIT W/O ENGINE SOUND CONTROL UNIT W/O LIVE TRAFFIC INFORMATION W/ LIVE TRAFFIC INFORMATION W/ MULTIMEDIA W/O MULTIMEDIA WAKE-UP WHT WIRE YEL WIRE YEL/BLU WIRE

A GPS A TEL ACCEPT/ TERMINATE PHONE CALL BUTTON BACK, VOICE CONTROL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL C SIG CAN-D H CAN-D L CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT GPS ANTENNA GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HERMES CONTROL UNIT LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MF (-) MULTI-FUNCTION ANTENNA MUTE FUNCTION BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RESET, BACK BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SYSTEM OFF BUTTON SYSTEM SELECTION BUTTON TEL ST USB D- USB GND VOICE CONTROL SYSTEM ON BUTTON W/ EMERGENCY CALL/ ASSISTANCE SYSTEM W/ NAVIGATION W/ SOUND SYSTEM W/ TELEMATICS W/O NAVIGATION W/O SOUND SYSTEM WHT WIRE YEL WIRE YEL/BLU WIRE

A NOT ANTI-THEFT ALARM SYSTEM/EMERGENCY CALL SYSTEM BUTTON GROUP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE C SIG CAN B H CAN B L CAN L H CAN L L CAN-D H CAN-D L CENTER INSTRUMENT PANEL SPEAKER COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 103 FUSE 82 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LIN B 13 MF (-) NCA WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RED WIRE RED/BLK WIRE SHIELD SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEMS SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TEL ST VEHICLE INTERIOR FUSE BOX W/ DVD CHANGER W/ SOUND AMPLIFIER W/O DVD CHANGER W/O SOUND AMPLIFIER WHT WIRE WHT/RED WIRE WHT/YEL WIRE

AUXILIARY HEATER HEATING ELEMENT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 106 HOT AT ALL TIMES MULTI-FUNCTION CAMERA RED/GRN WIRE VEHICLE INTERIOR FUSE BOX YEL/BRN WIRE YEL/RED WIRE

AS N (+) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM CRADLE FOR NAVIGATION MODULE FUSE 47 GRN WIRE HOT AT ALL TIMES LVDS MF (-) NAVIGATION MODULE NCA WIRE ORG/ WIRE RADIO RED/WHT WIRE RIGHT END OF DASH) SHIELD SHIELD PND VEHICLE INTERIOR FUSE BOX WHT WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L CENTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR COMPUTER DATA LINES SYSTEM DDAT FRONT PARKING SYSTEM WARNING INDICATOR FUSE 43 FUSE 84 HOT AT ALL TIMES INNER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR INNER LEFT REAR PARKING SYSTEM DISTANCE SENSOR INNER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR INNER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR LIN 1 ORG/BLU WIRE OUTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR PARKING SYSTEM BUTTON PARKING SYSTEM CONTROL UNIT PNK WIRE REAR PARKING SYSTEM WARNING INDICATOR RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO WIRE W/ COLLISION WARNING SYSTEM W/O COLLISION WARNING SYSTEM WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE