Mercedes-Benz GLA-class X156 facelift (2017-2020) yel/blu Wiring diagrams

BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION FRONT PASSENGER SEAT AMBIANCE ILLUMINATION FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SIDEBAG SQUIB FUSE 236 GRN/PNK WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES I/P LEFT REAR SEAT AMBIANCE ILLUMINATION ORG/ WIRE PNK/WHT WIRE RED/BLK WIRE RED/GRN WIRE RIGHT FRONT FOOTWELL LAMP RIGHT REAR FOOTWELL LAMP RIGHT REAR SEAT AMBIANCE ILLUMINATION SAM CONTROL UNIT (LEFT END OF DASH) SIG TRUNK LID/LIFTGATE AMBIENT LAMP VIO/BLU WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE DRIVER SEAT AMBIANCE ILLUMINATION DRIVER SIDEBAG SQUIB FRONT PASSENGER SEAT AMBIANCE ILLUMINATION FRONT PASSENGER SIDEBAG SQUIB GRN WIRE GRN/PNK WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE LEFT FRONT FOOTWELL LAMP LEFT REAR DOOR AMBIANCE ILLUMINATION LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR FOOTWELL LAMP LEFT REAR SEAT AMBIANCE ILLUMINATION ORG/ WIRE PNK/WHT WIRE RED/BLK WIRE RIGHT FRONT FOOTWELL LAMP RIGHT REAR FOOTWELL LAMP RIGHT REAR SEAT AMBIANCE ILLUMINATION VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

ADAPTIVE DAMPING SYSTEM CONTROL UNIT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 47 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT REAR AXLE DAMPING VALVE UNIT NCA WIRE REAR BODY ACCELERATION SENSOR RED/YEL WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR AXLE DAMPING VALVE UNIT SIG SIG (H) SIG (L) VEHICLE INTERIOR FUSE BOX VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN 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

BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH FUSE 73 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT LEFT FOG LAMP (IF EQUIPPED) LEFT REAR FOG LAMP LEFT REAR LAMP UNIT ORG/BLK WIRE ORG/GRN WIRE RED WIRE SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

30 FH BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMBINATION SWITCH COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DECOUPLING RELAY EXTERIOR LIGHTS SWITCH FRONT ELECTRICAL PREFUSE BOX FRONT FOG LAMP BUTTON FRONT FOG LAMPS INDICATOR LAMP FUSE 4 FUSE 89 GRN WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HUMIDITY/ TEMPERATURE SENSOR INNER LEFT REAR LAMP UNIT INSTRUMENT CLUSTER LEFT FOG LAMP LEFT REAR FOG LAMP LIGHT SENSOR (-) LOW BEAM INDICATOR LAMP LOW BEAM SWITCH ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RAIN SENSOR RAIN/LIGHT SENSOR (W/ RAIN SENSOR) LIGHT SENSOR (W/O RAIN SENSOR) REAR FOG LAMP INDICATOR LAMP REAR FOG LIGHT BUTTON RED/YEL WIRE RIGHT FOG LAMP SAM CONTROL UNIT (LEFT END OF DASH) STEERING COLUMN MODULE CONTROL UNIT SWITCH ILLUMINATION SYSTEM VEHICLE INTERIOR FUSE BOX W/ RAIN SENSOR YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

ACOUSTIC TURN SIGNAL LIGHT FUNCTION CHECK ANTILOCK BRAKE SYSTEM IND LAMP BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN E H CAN E L COLLISION PREVENTION ASSIST WARNING LAMP COMPUTER DATA COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE WARNING LAMP DISTRONIC WARNING LAMP ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRONIC STABILITY PROGRAM WARNING LAMP ENGINE DIAGNOSIS INDICATOR LAMP ESP/ASR OFF WARNING LAMP FRONT FOG LAMPS INDICATOR LAMP FUEL LEVEL INDICATOR GAUGE FUEL RESERVE INDICATOR LAMP FUSE 73 FUSE 84 FUSE 88 GEAR INDICATOR (PRND) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LEFT TURN SIGNAL IND LAMP LIN 1 LINES SYSTEM LOW BEAM INDICATOR LAMP MULTI-FUNCTION DISPLAY NCA WIRE ORG/BLU WIRE OUTSIDE TEMPERATURE SENSOR PARKING BRAKE INDICATOR LAMP REAR FOG LAMP INDICATOR LAMP RED WIRE RED/BLK WIRE RED/WHT WIRE RETROFIT HEAD-UP DISPLAY RIGHT TURN SIGNAL IND LAMP SAM CONTROL UNIT (LEFT END OF DASH) SEAT BELT WARNING LAMP SIG SPEEDOMETER STANDING LAMPS INDICATOR LAMP SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP SW 1 SW 3 SW 4 SW 6 TACHOMETER TIRE PRESSURE MONITOR WARNING LAMP TRANSMISSION MODE DISPLAY VEHICLE INTERIOR FUSE BOX W/ DISTRONIC PLUS W/ HEAD UP DISPLAY WHT WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 23 FUSE 236 GRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR POWER WINDOW MOTOR LEFT FRONT POWER WINDOW SWITCH LEFT REAR POWER WINDOW SWITCH MOT- ORG/BRN WIRE ORG/WHT WIRE ORG/YEL WIRE PNK WIRE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED/BLK WIRE RED/GRN WIRE RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR POWER WINDOW SWITCH S SIG SAM CONTROL UNIT (LEFT END OF DASH) SIG TFH O TFH S VEHICLE INTERIOR FUSE BOX YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES FUSE 24 GRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT REAR DOOR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH MOT- ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/WHT WIRE ORG/YEL WIRE PASSENGER SIDE POWER WINDOW SWITCH RED WIRE RED/BLK WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR POWER WINDOW MOTOR RIGHT REAR DOOR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH S SIG SIG SYSTEM VEHICLE INTERIOR FUSE BOX YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON FUEL FILLER/ SOCKET FLAP CENTRAL LOCKING ACTUATOR FUSE 23 FUSE 78 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/PNK WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT MOT- NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE S SIG SAM CONTROL UNIT (LEFT END OF DASH) SIG TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID RELEASE BUTTON TRUNK LID/ LIFTGATE CONTROL BUTTON TRUNK LID/ LIFTGATE CONTROL ELECTRIC MOTOR TRUNK LID/ LIFTGATE CONTROL HALL SENSOR TRUNK LID/LIFTGATE CENTRAL LOCKING MOTOR TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE CONTROL UNIT TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/LIFTGATE LOCKING ELEMENT TRUNK LID/LIFTGATE LOCKING PAWL SWITCH TRUNK LID/LIFTGATE ROTARY TUMBLER SWITCH VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/BRN WIRE VIO/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE