Mercedes-Benz GLC-class Coupe C253 (2016-2019) sig Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLS GND PAS GND BLU/BLK WIRE BLU/YEL WIRE BM 1 BP 1 BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE CAN H L COMPUTER DATA LINES SYSTEM DZS HL H DZS HL L DZS HR H DZS HR L DZS VL H DZS VL L DZS VR H ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX RAY FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE BALL VALVE REAR AXLE INTAKE BALL VALVE FRONT AXLE SWITCHOVER VALVE FRONT PRESSURE SENSOR FUSE 1 FUSE 121 FUSE 200 FUSE 213 FUSE 329 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE HIGH PRESSURE, RETURN PUMP MOTOR HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED K LINE LEFT FRONT PRESSURE REGULATOR VALVE (HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (RELEASE) LEFT FUSE, RELAY MODULE LEFT REAR PRESSURE REGULATOR VALVE (HOLD) LEFT REAR PRESSURE REGULATOR VALVE (RELEASE) MOT L+(-) 31 MOT L-(+) MOT R+(-) MOT R-(+) DZS VR L ORG/BLU WIRE PNK WIRE PNK/GRN WIRE REAR AXLE SWITCHOVER VALVE REAR PRESSURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT PRESSURE REGULATOR VALVE (HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (RELEASE) RIGHT REAR PRESSURE REGULATOR VALVE (HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (RELEASE) SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR STOP LAMP SWITCH SW 1 SW 2 SW 3 SW 4 TAXIMETER (IF EQUIPPED) TRACTION SYSTEM HYDRAULIC UNIT TWO-WAY RADIO UB S UB V VAC GND VAC PUMP L BLS SUP VAC SUP VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

BBV VR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM WARNING IND LAMP ESP/ASR OFF WARNING IND LAMP FOOTWELL ILLUMINATION SWITCH FRONT SAM CONTROL UNIT FUSE 454 FUSE 465 FUSE 466 GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ VEHICLE INTERIOR TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR NCA WIRE PEDAL OPERATION MONITOR BUZZER PEDAL OPERATION MONITOR SWITCH PNK/GRN WIRE POWER DISTRIBUTION SYSTEM PWR-1 RBA-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/PNK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FLEXRAY 1 BP FUSE 305 FUSE 327 FUSE 329 GRN WIRE GRY/BLK WIRE HK SL VL HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT BACKREST RELEASE/INCLINATION MICROSWITCH M+ (-) PNK FLEXRAY 1 BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT A-PILLAR FUSE BOX SEATS SYSTEM SIG STEERING COLUMN MEMORY CIRCUIT STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE YEL/GRN WIRE

AIR BODY CONTROL PLUS CONTROL UNIT (UNDER REAR OF LUGGAGE COMPT FLOOR) AIR SUSPENSION AIRMATIC CONTROL UNIT BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CUTOUT RELAY ENERGIZED DAM HL 2 (HS) DAM HL 2 (LS) DAM HR 2 (HS) DAM HR 2 (LS) DAM VL 2 (HS) DAM VL 2 (LS) DAM VR 2 (HS) DAM VR 2 (LS) FLEXRAY 5 BM FLEXRAY 5 BP FUSE 424 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HOT W/ LEFT FRONT LEFT FRONT AXLE AIR SUSPENSION VALVE UNIT LEFT REAR LEFT REAR AXLE AIR SUSPENSION VALVE UNIT NCA WIRE NIV SPV (LS) NIV VL (LS) NIV VR (LS) PNK WIRE QUIESCENT CURRENT REAR FUSE, RELAY MODULE RED/WHT WIRE RIGHT FRONT RIGHT FRONT AXLE AIR SUSPENSION VALVE UNIT RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR AIR SUSPENSION VALVE 1 RIGHT REAR AIR SUSPENSION VALVE 2 RIGHT REAR AXLE AIR SUSPENSION VALVE UNIT SIG VALVE 1 VALVE 2 WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 419 FUSE 420 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/WHT WIRE SIG WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU/PNK WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER FLEXRAY 1 BP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FUSE 306 FUSE 328 FUSE 329 GRN WIRE GRY/BLK WIRE HK SL VL HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED M+ (-) PNK FLEXRAY 1 BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT A-PILLAR FUSE BOX RIGHT BACKREST RELEASE/INCLINATION MICROSWITCH SEATS SYSTEM SIG STEERING COLUMN MODULE CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT CUSHION LENGTH ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 302 GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES M+ (-) MEMORY 1 SWITCH MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH ORG/ WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BACKREST ADJUSTMENT SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT HEAD RESTRAINT ADJUSTMENT SWITCH RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT CUSHION LENGTH SWITCH RIGHT FRONT SEAT FORE/AFT ADJUSTMENT SWITCH RIGHT FRONT SEAT HEIGHT ADJUSTMENT SWITCH RIGHT FRONT SEAT INCLINATION ADJUSTMENT SWITCH SEAT HEATER SEATS SYSTEM SIG VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BRN WIRE FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUSE 403 HOLDER, POWER OUTLET RELAY ENERGIZED RBA-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT BACKREST RELEASE/ INCLINATION MICROSWITCH SIG W/ BACKREST RELEASE W/O BACKREST RELEASE YEL/GRN WIRE

BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT FLEXRAY BP FUSE 305 FUSE 329 FUSE 406 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP M+ (-) MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH MEMORY 1 SWITCH PNK FLEXRAY BM WIRE REAR FUSE, RELAY MODULE RED WIRE RIGHT A-PILLAR FUSE BOX SIG STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN) VIO WIRE VIO/BLK WIRE

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