Mercedes-Benz GLA-class X156 facelift (2017-2020) can e l Wiring diagrams

ATA (EDW)/TOWING SENSOR/INTERIOR MOTION SENSOR CONTROL UNIT BLK WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FUSE 24 FUSE 26 FUSE 85 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR HANDLE ILLUMINATION MOT- REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR LOCK ROTARY TUMBLER SWITCH SIG VEHICLE INTERIOR FUSE BOX WHT WIRE

AUTOMATIC TRANSMISSION MODE BUTTON AUX BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CLUTCH TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER DOUBLE CLUTCH DOUBLE CLUTCH TRANSMISSION DRIVE SHAFT RPM SENSOR DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL UNIT DYNAMIC SELECT SWITCH ELECTRIC AUXILIARY OIL PUMP ELECTRONIC IGNITION SWITCH CONTROL UNIT EMS ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE SPEED SENSOR FUSE 217 FUSE 220 FUSE 32 FUSE 84 GEAR CYLINDER PRESSURE CONTROL VALVE GEAR IND GRN WIRE GRN/WHT WIRE HALL SENSOR 1 HALL SENSOR 2 HALL SENSOR 3 HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER LIN 1 LIN 1 IP M TRANSMISSION MODE BUTTON ME-SFI (ME) CONTROL UNIT MOTOR NCA WIRE ORG/BLU WIRE PARK PAWL CONTROL UNIT CIRCUIT 87 RELAY PARK PAWL LIFT SOLENOID PARK PAWL POSITION SENSOR PARK PAWL SWITCHOVER VALVE PRND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SAM CONTROL UNIT (LEFT END OF DASH) SHIFT FORK POSITION SENSOR 1 SHIFT FORK POSITION SENSOR 2 SHIFT FORK POSITION SENSOR 3 SHIFT FORK POSITION SENSOR 4 SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) STEERING WHEEL UPSHIFT BUTTON SYSTEM PRESSURE CONTROL VALVE TRANSMISSION HOLLOW SHAFT RPM SENSOR TRANSMISSION MODE DISPLAY TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ DUAL CLUTCH TRANSMISSION YEL WIRE

30 B ALTERNATOR BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DECOUPLING RELAY ECO START/ STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT ELECTRICAL PREFUSE BOX FUSE 1 FUSE 2 FUSE 22 FUSE 26 GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER ME-SFI (ME) CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY PYROFUSE RED WIRE RED/GRN WIRE RED/YEL WIRE SAM CONTROL UNIT STARTER STARTER FRONT-END RELAY VEHICLE INTERIOR FUSE BOX W/ START/STOP VOLTAGE DIP PROTECTION W/O START/STOP VOLTAGE DIP PROTECTION

ACCELERATE, SET SWITCH ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/GRN WIRE BLK/YEL WIRE BLS H BLS L BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL DISTRONIC ELECTRIC CONTROLLER UNIT DISTRONIC WARNING LAMP IND DOWNHILL SPEED REGULATION BUTTON DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 214 FUSE 224 FUSE 32 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED INDICATOR SWITCH INSTRUMENT CLUSTER LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR LIN 1 ME-SFI (ME) CONTROL UNIT MOT- NCA WIRE OFF SWITCH OFFROAD PROGRAM BUTTON ORG/BLU WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RESUME FROM MEMORY SWITCH RIGHT FRONT AXLE RPM SENSOR RIGHT REAR AXLE RPM SENSOR SIG STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR (ON THROTTLE BODY) UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL/GRY WIRE

BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM FUSE 44 FUSE 45 GRN WIRE GRN/WHT WIRE LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR VEHICLE INTERIOR FUSE BOX

1/2 ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLS H BLS L BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS LED ACTUATION MODULE EXTERIOR LIGHTS SWITCH FRA-L FRA-R FRONT FOG LAMP BUTTON FUSE 229 FUSE 231 FUSE 237 FUSE 84 FUSE 89 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING SYSTEM BUTTON HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LIN 1 ORG/BLU WIRE PARKING LIGHT, STANDING LIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT PLTFL L REAR FOG LIGHT BUTTON RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SIDE MARKER LAMP STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) SWITCH ILLUMINATION TURN SIGNAL LAMP TURN SIGNAL LAMPS SWITCH TURN SIGNAL LIGHT/ SIDE MARKER LIGHT UPLTFL L (+) UPLTFL R (+) UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ BI-XENON HEADLAMP W/O BI-XENON HEADLAMP WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL/WHT 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/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH FUSE 73 FUSE 74 FUSE 93 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR MOTOR NCA WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX

BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ECO START/STOP FUNCTION BUTTON ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 210 FUSE 84 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LIN 1 LIN 1 IP ME-SFI (ME) CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/BLU WIRE PYROFUSE RED WIRE RED/WHT WIRE SAM CONTROL UNIT STARTER STARTER CIRCUIT 50 RELAY STARTER FRONT-END RELAY UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO/WHT WIRE W/ START/STOP VOLTAGE DIP PROTECTION W/O START/STOP VOLTAGE DIP PROTECTION W/ START/STOP VOLTAGE DIP PROTECTION WHT WIRE WHT/BRN WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER ETR (GUS) SQUIB DRIVER SIDE BAG SQUIB EMERGENCY CALL SYSTEM CONTROL UNIT FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER ETR (GUS) SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION FRONT PASSENGER SIDE BAG SQUIB FUSE 38 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HERMES CONTROL UNIT HOT W/ LEFT FRONTAL ACCELERATION SENSOR LEFT SIDE BAG SENSOR LEFT WINDOW BAG SQUIB ORG/BLU WIRE ORG/BRN WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONTAL ACCELERATION SENSOR RIGHT SIDE BAG SENSOR RIGHT WINDOW BAG SQUIB SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO WIRE VIO/GRY WIRE VIO/ORG WIRE W/ EMERGNCY CALL ASSISTANCE SYSTEM W/O EMERGNCY CALL ASSISTANCE SYSTEM WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE ZP (-) ZP (-) C SIG