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

15 SIG ANTILOCK BRAKE SYSTEM IND LAMP BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLS H BLS L BLU/GRN WIRE BLU/YEL WIRE BRAKE SYSTEM WARNING LAMP IND BRAKE VACUUM SENSOR BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ELECTRONIC STABILITY PROGRAM WARNING LAMP IND ENGINE COMPARTMENT FUSE, RELAY MODULE ESP/ASR OFF WARNING LAMP IND FUSE 204 FUSE 218 FUSE 230 FUSE 237 FUSE 88 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER PARKING BRAKE IND. RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE SIG STOP LAMP SWITCH VEHICLE INTERIOR FUSE BOX WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 90 GRN WIRE GRN/WHT WIRE HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR SAM CONTROL UNIT T A B(+) T A W(+) VEHICLE INTERIOR FUSE BOX

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE C SIG CAN B H CAN B L COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, INTERIOR LIGHTS, ANTI-THEFT SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FUSE 26 FUSE 98 GRN WIRE GRN/BRN WIRE GRN/PNK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS, POWER WINDOWS SYSTEMS MEMORY SYSTEMS MOT- ORG/ WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/WHT WIRE ORG/YEL WIRE PNK/BLU WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE S SIG SAM CONTROL UNIT (LEFT END OF DASH) SIG STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TFH O TFH S TRUNK, TAILGATE, ANTI-THEFT, FUEL DOORS, DOOR LOCKS SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, ANTI-THEFT, DOOR LOCKS SYSTEMS TRUNK, TAILGATE, FUEL DOORS, INTERIOR LIGHTS SYSTEMS VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

30 AB 30 FH 30 IB SRA AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTER ENGINE HOOD CONTACT SWITCH COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM ELV SIG ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FRA-L FRA-R FRONT ELECTRICAL PREFUSE BOX FUSE 236 FUSE 25 FUSE 4 FUSE 79 FUSE 80 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HORN RLY HORNS SYSTEM HOT AT ALL TIMES I/P INSTRUMENT CLUSTER SYSTEM LIN-B 15 MOT- ORG/BLU WIRE PLR PLTFL R (+) PLTFL L (+) SIG PLTFL L (+) UPLTFL R PLTFL R (+) GND SIG POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SAM CONTROL UNIT (LEFT END OF DASH) SIG SIG (1) SIG (2) SIG 3 STARTING/CHARGING SYSTEM UPLTFL L (+) VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIPER/WASHER SYSTEM WMV A/D WMV PP WMV WS WSA YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAMERA COVER CONTROL UNIT CAN B H CAN B L CENTER REAR OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM ES GND ES SIG FUSE 50 HOT AT ALL TIMES MOT- REAR CAMERA COVER MOTOR REAR CAMERA COVER MOTOR SWITCH RED WIRE RED/WHT WIRE VEHICLE INTERIOR FUSE BOX YEL/GRN 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

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 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

BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 23 FUSE 236 FUSE 38 FUSE 73 FUSE 88 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH MULTI-FUNCTION DISPLAY NCA WIRE ORG/BLU WIRE PARKING BRAKE INDICATOR LAMP RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR SAM CONTROL UNIT SEAT BELT WARNING LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX W/ HEAD UP DISPLAY YEL WIRE