Mercedes-Benz GLC-class X253 (2015-2019) brn/blk 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

BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) FUSE 319 FUSE 424 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED IN FL- IN FR- IN RL- IN RR- LEFT FRONT DOOR MIDRANGE SPEAKER LEFT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER LEFT REAR SIDEWALL COVER MIDRANGE SPEAKER NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT FL- OUT FR+ OUT RL- OUT RR- REAR FUSE, RELAY MODULE RED/BLK WIRE RIGHT A-PILLAR FUSE BOX RIGHT FOOTWELL WOOFER RIGHT FRONT DOOR MIDRANGE SPEAKER RIGHT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER RIGHT REAR SIDEWALL COVER MIDRANGE SPEAKER VIO WIRE WAKEUP WHT WIRE WHT/BLK WIRE WHT/YEL 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/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) FUSE 319 FUSE 423 FUSE 424 FUSE 462 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED IN FL- IN FR- IN RL- IN RR- LINE 1- LINE 2- LINE 3- LINE 4- MID FL (-) MID FR (-) MID RL- MID RR- MOST DATA BUS CIRCUIT MOST IN MOST OUT MUTE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT FL- OUT FR+ OUT RL- OUT RR- PNK WIRE PNK/BLK WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RIGHT A-PILLAR FUSE BOX SOUND SYSTEM AMPLIFIER CONTROL UNIT SUB FL- SUB FR- SURL- SURR- VIO WIRE VIO/BLK WIRE WAKE-UP WAKEUP WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER EMERGENCY CALL SYSTEM CONTROL UNIT GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HERMES CONTROL UNIT LEFT FOOTWELL WOOFER LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER MUTE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RIGHT FOOTWELL WOOFER RIGHT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER TELEMATICS SERVICES COMMUNICATION MODULE VIO WIRE VIO/BLK WIRE W/ HERMES W/ TELEMATICS W/ EMERGENCY CALL SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE GRN WIRE GRN/BLK WIRE GRY WIRE LEFT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER LEFT REAR DOOR/SIDE PANELING TWEETER LEFT REAR SIDEWALL COVER MIDRANGE SPEAKER LEFT REAR SIDEWALL COVER TWEETER ORG/ WIRE ORG/BLK WIRE ORG/PNK WIRE PNK/BLK WIRE RIGHT FRONT DOOR MIDRANGE SPEAKER RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER RIGHT REAR DOOR/SIDE PANELING TWEETER RIGHT REAR SIDEWALL COVER MIDRANGE SPEAKER RIGHT REAR SIDEWALL COVER TWEETER

BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT DRIVETRAIN CONTROL UNIT (LEFT FRONT OF RIGHT FRONT FOOTWELL) FLEXRAY 1 BM FLEXRAY 1 BP FUSE 315 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT EXHAUST FLAP ACTUATOR MOTOR LOW TEMPERATURE COOLANT CIRCUIT TEMPERATURE SENSOR 2 LOW-TEMPERATURE CIRCUIT TEMPERATURE SENSOR PNK WIRE PNK/RED WIRE RED/GRN WIRE RED/PNK WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX SIG VERS WHT WIRE

ANST BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE FULL-LOAD OPERATION VENT LINE HEATER ELEMENT GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HEATER INJ HIGH INJ LOW ION OXY PUMP ME-SFI (ME) CONTROL UNIT (LEFT SIDE OF ENGINE) NCA WIRE ORG/ WIRE OXYGEN SENSOR DOWNSTREAM OF CATALYTIC CONVERTER OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER PARTIAL LOAD OPERATION CRANKCASE VENTILATION VALVE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SETPOINT SIG SIG PRESSURE SIGNAL SIGNAL 1 SIGNAL 3 SIGNAL A SIGNAL B SIGNAL TEMP VENT LINE CONTACT SWITCH VIO WIRE VIO/GRY WIRE VIO/RED WIRE VIRTUAL GND WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

AT EWP BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DCM FUSE 432 GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES INJ HIGH INJ LOW ME-SFI (ME) CONTROL UNIT ORG/BLK WIRE REAR FUSE, RELAY MODULE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SENSOR SENSOR GND SENSOR SIGNAL SIG SIGNAL SIGNAL (-) DCP SIGNAL 4 STARTING/CHARGING SYSTEM THROTTLE VALVE ACTUATOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE