Mercedes-Benz GLA-class X156 facelift (2017-2020) hands-free system microphone Wiring diagrams

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

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