Mercedes-Benz GLC-class Coupe C253 (2016-2019) vio 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

30 UNG AIRMATIC COMPRESSOR AIRMATIC CONTROL UNIT AIRMATIC PRESSURE REDUCTION VALVE AIRMATIC RELAY AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM CONTROL PANEL CUTOUT RELAY ENERGIZED DAM HL 1 (HS) DAM HL 1 (LS) DAM HR 1 (HS) DAM HR 1 (LS) DAM VAL 1 (HS) DAM VAL 1 (LS) DAM VR 1 (HS) DAM VR 1 (LS) ELECTRIC MOTOR ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE FUSE, RELAY MODULE FLEXRAY 5 BM FLEXRAY 5 BP FUSE 114 FUSE 320 GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HOT W/ LED 2 LEFT FRONT LEFT FRONT AXLE DAMPING VALVE UNIT LIN NIV ABLV (+) NIV HL (-) NIV HR (-) NIV HR (LS) PARKING SYSTEM BUTTON PNK WIRE QUIESCENT CURRENT REAR END LOWERING SWITCH RED WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT LOWER CONTROL PANEL RIGHT REAR LEVEL SENSOR SOLENOID SW DOWN VALVE 1 VALVE 2 VB + VEHICLE LEVEL BUTTON VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE

BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CLIMATE CONTROL SWITCH GROUP DRIVER SEAT CONTROL UNIT FUSE 305 FUSE 306 FUSE 406 HK SL VL HOT AT ALL TIMES LEFT FRONT AIRSCARF SWITCH LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION LENGTH SWITCH LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH NCA WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT A-PILLAR FUSE BOX SEAT HEATER VIO WIRE

BLU 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 CLIMATE CONTROL SWITCH GROUP FRONT PASSENGER SEAT CONTROL UNIT FUSE 302 HK SL VL HOT AT ALL TIMES NCA WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BACKREST ADJUSTMENT SWITCH RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION LENGTH SWITCH RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS RIGHT FRONT SEAT HEATER SWITCH RIGHT FRONT SEAT VENTILATION SWITCH SEAT HEATER VIO WIRE

BLK WIRE BLK/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H B CAN H H COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE FUSE 108 FUSE 110 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FRONT EXTERIOR LIGHTS LED ACTUATION MODULE LEFT FRONT LAMP UNIT LEFT HEADLAMP CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT RED/BLU WIRE RED/YEL WIRE SW 1 SW 2 SW 3 SW 4 VIO WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT FOG LAMPS INDICATOR LAMP FUSE 200 FUSE 208 FUSE 326 FUSE 329 GRN WIRE GRY/BLU WIRE HEADLAMP RANGE CONTROLLER HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT FRONT LEVEL SENSOR LEFT FUSE, RELAY MODULE LEFT REAR LEVEL SENSOR LOW BEAM INDICATOR LAMP MULTI-FUNCTION DISPLAY PNK WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RBA-1 REAR FOG LAMP INDICATOR LAMP REAR FOG LIGHT BUTTON RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX VIO WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/WHT 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

BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT FOG LAMP INDICATOR LAMP FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 128 FUSE 200 FUSE 208 GRN WIRE GRY/BLU WIRE HEADLAMP RANGE CONTROLLER HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT FUSE, RELAY MODULE LOW BEAM INDICATOR LAMP MULTI-FUNCTION DISPLAY PNK WIRE PNK/RED WIRE PWR-1 PWR-2 RBA-1 REAR FOG LAMP BUTTON REAR FOG LAMP INDICATOR LAMP RED WIRE RED/BLU WIRE RED/YEL WIRE SW 1 SW 2 SW 3 SW 4 VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT FUSE 312 FUSE 317 GRN WIRE GRY WIRE HALL SENSOR 1 HALL SENSOR 2 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MOT- MOTOR OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT RBA-1 RED WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX ROOF SWITCH VIO WIRE

BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 303 FUSE 408 FUSE 418 FUSE 440 GRY/BLK WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT HEATERS BUTTON LEFT REAR SEAT SITTING SURFACE HEATED CUSHION LIN REAR FUSE, RELAY MODULE REAR SEAT HEATERS CONTROL UNIT RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT REAR BACKREST HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT HEATERS BUTTON RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION UB (+) VIO WIRE