Mercedes-Benz GLC-class Coupe C253 (2016-2019) gry/blu 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

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

AIRMATIC CENTRAL RESERVOIR FILLING VALVE AIRMATIC PRESSURE SENSOR AIRMATIC VALVE UNIT (FRONT OF LEFT FRONT WHEELWELL) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLK WIRE ENGINE COMPARTMENT PREFUSE BOX FUSE 3 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT FRONT LEVEL CONTROL VALVE LEFT FRONT LEVEL SENSOR LEFT REAR LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR BODY LATERAL ACCELERATION SENSOR LEFT REAR LEVEL CONTROL VALVE LEFT REAR LEVEL SENSOR LET REAR PNK WIRE RED WIRE RIGHT FRONT RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT LEVEL CONTROL VALVE RIGHT FRONT LEVEL SENSOR RIGHT REAR RIGHT REAR AXLE DAMPING VALVE UNIT RIGHT REAR LEVEL VALVE SOLENOID VALVE 1 VALVE 2 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT 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 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

BBV VR BCL SW DR(-) BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE FLUID, PARKING BRAKE INDICATOR LAMP BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN B L RBA-1 CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT FUSE 1 FUSE 200 FUSE 208 FUSE 316 FUSE 465 FUSE 466 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH LEFT FUSE, RELAY MODULE MULTI-FUNCTION DISPLAY NCA WIRE PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SEAT BELT WARNING LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 2 SW 3 SW 4 VIO WIRE VIO/WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE