Mercedes-Benz GLC-class X253 (2015-2019) combination switch Wiring diagrams

BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BMSL RBA-1 BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CENTER STOP LAMP COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DIAG FLEX RAY 1 BM FLEX RAY 1 BP FRA HL FRA HR FUSE 200 FUSE 210 FUSE 465 GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT FUSE, RELAY MODULE LEFT REAR LAMP UNIT NSL PNK WIRE PWR-1 PWR-2 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR LAMP UNIT SL HD SML SML HL SML HR STEERING COLUMN MODULE CONTROL UNIT TURN SIGNAL LAMPS SWITCH VIO WIRE W/ ACTIVE LANE KEEPING ASSIST YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLS SUP VAC PUMP 2 BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L RBA-1 CAN H H CAN H L CAN HMI H CAN HMI L COC COMBINATION SWITCH COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM EL VL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLASHER/ HIGH BEAM SWITCH FLEXRAY 1 BM FLEXRAY 1 BP FRONT SAM CONTROL UNIT FUSE 128 FUSE 200 FUSE 208 FUSE 210 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLAMP HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LDS SGN 1 LDS SGN 2 LDS SGN 3 PNK WIRE LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT LAMP UNIT LEFT FUSE, RELAY MODULE LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT TURN SIGNAL IND LAMP MIRRORS SYSTEM PNK WIRE PNK/RED WIRE PWR-1 REAR FOG LAMP BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT TURN SIGNAL IND LAMP SIDE MARKER LAMP SIG SIG PAS GND BLS GND SML STANDING LAMPS IND LAMP STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH SYSTEM TURN SIGNAL LAMP TURN SIGNAL LAMPS SWITCH VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTER STOP LAMP COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EL VL FLEX RAY 1 BM FLEX RAY 1 BP FUSE 200 FUSE 210 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT BACKUP LAMP LEFT FUSE, RELAY MODULE LEFT INSIDE TAILLIGHT LEFT LICENSE PLATE LAMP LEFT REAR FOG LAMP MIRRORS SYSTEM PNK WIRE PWR-1 PWR-2 RBA-1 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT BACKUP LAMP RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT INSIDE TAILLIGHT RIGHT LICENSE PLATE LAMP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SML STEERING COLUMN MODULE CONTROL UNIT TURN SIGNAL LAMPS SWITCH VIO WIRE WHT WIRE YEL WIRE

BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT EXTERIOR LIGHTS LED ACTUATION MODULE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP CONTROL UNIT YEL WIRE

56 AL 56 BL 56 BR BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CAN H H CAN H L CAN HMI L CAN-NMI H COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CUTOUT RELAY ENERGIZED ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX RAY 1 BM FLEX RAY 1 BP FRONT FOG LAMP INDICATOR LAMP FRONT SAM CONTROL UNIT FUSE 128 FUSE 200 FUSE 208 FUSE 326 FUSE 329 GRN WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/WHT WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HEADLAMP RANGE CONTROLLER HI BEAM HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT FRONT LAMP UNIT LEFT FUSE, RELAY MODULE LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR LOW BEAM LOW BEAM INDICATOR LAMP LWR LWR SIG MULTI-FUNCTION DISPLAY OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/RED WIRE PWR-1 QUIESCENT CURRENT RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 REAR FOG LAMP BUTTON REAR FOG LAMP INDICATOR LAMP RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT LAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR STEERING COLUMN MODULE CONTROL UNIT SW 1 SW 2 SW 3 SW 4 TEL TFL VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FLEXRAY 1 BM FLEXRAY 1 BP GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH PNK WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP CONTROL UNIT RIGHT HIGH BEAM RIGHT LED SIGNALING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT LOW BEAM RIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT STEERING COLUMN MODULE CONTROL UNIT

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H RBA-1 CAN B L COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH FLEXRAY 1 BM FLEXRAY 1 BP FOOTWELL ILLUMINATION SWITCH FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES LDS SGN 1 PNK WIRE LDS SGN 2 LDS SGN 3 LEFT FUSE, RELAY MODULE LEFT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON PEDAL OPERATION MONITOR SWITCH PNK WIRE PNK/GRN WIRE PWR-1 RBA RBA-1 RED WIRE RIGHT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON STEERING COLUMN MODULE CONTROL UNIT TWO-WAY RADIO SWITCH VEHICLE INTERIOR POWER OUTLET VIO WIRE W/ SMOKER'S PACKAGE W/O SMOKER'S PACKAGE YEL WIRE

1 BM 1 BP ACCELERATE, SET SWITCH ACCEPT/TERMINATE BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BUTTON BUTTONS COMBINATION SWITCH CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FLEXRAY FLEXRAY 1 BM FLEXRAY 1 BP FOR SETTING FUSE 210 FUSE 329 GRN WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FUSE, RELAY MODULE MUTE FUNCTION NCA WIRE OFF SWITCH PHONE CALL PNK WIRE RED WIRE RED/BLK WIRE RESUME FROM MEMORY SWITCH RIGHT A-PILLAR FUSE BOX RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SPECIFIC FUNCTIONS, STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ANGLE SENSOR SUPPLEMENTAL RESTRAINTS SYSTEM TURN SIGNAL LAMPS SWITCH VIO/YEL WIRE VOLUME CONTROL W/ ACTIVE LANE KEEPING ASSIST W/ INTELLIGENT CRUISE CONTROL W/O INTELLIGENT CRUISE CONTROL WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

30-1 BLK/BLU WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L RBA-1 CAN HMI H CAN HMI L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX RAY 1 BM FLEX RAY 1 BP FLEXRAY 1 BM FLEXRAY 1 BP FRONT SAM CONTROL UNIT FUSE 106 FUSE 109 FUSE 200 FUSE 205 FUSE 326 FUSE 329 FUSE 465 FUSE 466 FUSE 5 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FUSE, RELAY MODULE N/A OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PWR-1 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX SIG SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) (CENTER REAR OF ENGINE COMPT) STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WINDSHIELD WASHER SYSTEM WASHER FLUID LEVEL SWITCH WIPER MOTOR WIPER PARK POSITION HEATER RELAY WIPER SWITCH YEL WIRE YEL/WHT WIRE