Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) gry/yel Wiring diagrams

AIR BODY CONTROL PLUS CONTROL UNIT AIR BODY CONTROL UNIT AIR SUSPENSION BATTERY DISCONNECT BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE FLEX-E BM FLEX-E BP FUSE 462 GRN WIRE GRN/GRY 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 PNK WIRE REAR FUSE, RELAY MODULE RED/WHT WIRE RIGHT FRONT RIGHT FRONT AXLE AIR SUSPENSION VALVE UNIT RIGHT REAR AIR SUSPENSION VALVE 1 RIGHT REAR AIR SUSPENSION VALVE 2 RIGHT REAR AXLE AIR SUSPENSION VALVE UNIT SIG SWITCH RELAY ENERGIZED VAL 2 H VAL 2 L VALVE 1 VALVE 2 VIV 1 H VIV 1 L VIV 2 H VIV 2 L VLL 2 L VLV 1 L WHT WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN 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 DRIVER-SIDE FUSE, RELAY MODULE DTRL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT FUSE 126 FUSE 200 FUSE 202 FUSE 3 FUSE 305 FUSE 312 FUSE 322 GRN WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HB (+) HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LB (+) LEFT FRONT LAMP UNIT MULTIPLE FUSE 1 OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SENS (+) SIG 3 SIG (1) SIG (2) SIG 3 SIG 4 SML STEERING COLUMN MODULE CONTROL UNIT TSI L (+) 31 TSI R (+) TSI R (+) 31 TSI-L (+) VIO WIRE VIO/WHT WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CRANKSHAFT HALL SENSOR CYLINDER 1 FUEL INJECTOR CYLINDER 4 FUEL INJECTOR EXHAUST CAMSHAFT SOLENOID GND V GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEAT GND I PUMP INTAKE CAMSHAFT SOLENOID LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR ME-SFI (ME) CONTROL UNIT (LEFT SIDE OF ENGINE) NCA WIRE PARTIAL LOAD OPERATION CRANKCASE VENTILATION VALVE POWER SUPPLY POTENTIAL DISTRIBUTOR 2 PURGING PRESSURE SENSOR RED WIRE REF SENS SENS GND SIG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CIRCUIT 31 POTENTIAL DISTRIBUTOR 1 CIRCUIT 31 POTENTIAL DISTRIBUTOR 2 CYLINDER 1 IGNITION COIL CYLINDER 2 FUEL INJECTOR CYLINDER 2 IGNITION COIL CYLINDER 3 IGNITION COIL CYLINDER 4 IGNITION COIL ENGINE OIL FILL LEVEL SENSOR GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE KNOCK SENSOR 1 POWER SUPPLY POTENTIAL DISTRIBUTOR 1 QUANTITY CONTROL VALVE RED WIRE RED/BLU WIRE RED/GRN WIRE VENT LINE CONTACT SWITCH 1 VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE W/ POWER VARIANT UPRATED 1 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL/WHT WIRE

BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COOLANT TEMPERATURE SENSOR ELECTRIC COOLANT PUMP ELECTRIC COOLANT PUMP 2 ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FUSE 101 FUSE 102 FUSE 104 FUSE 9 GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ HOT W/ COOLANT PUMP RELAY ENERGIZED INTAKE CAMSHAFT VALVE LIFT SWITCHING ACTUATOR KNOCK SENSOR #2 OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER PRESSURE SENSOR DOWNSTREAM OF AIR FILTER PRESSURE, TEMPERATURE SENSOR DOWNSTREAM OF THROTTLE VALVE PRESSURE, TEMPERATURE SENSOR UPSTREAM OF THROTTLE VALVE PURGE CONTROL VALVE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BOOST PRESSURE CONTROL FLAP ACTUATOR BRN/BLK WIRE BRN/GRN WIRE COOLANT THERMOSTAT HEATING ELEMENT CYLINDER 3 FUEL INJECTOR DIVERT AIR SWITCHOVER VALVE ENGINE OIL PUMP VALVE EXHAUST CAMSHAFT HALL SENSOR FUEL PRESSURE, TEMPERATURE SENSOR GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE ME-SFI (ME) CONTROL UNIT MOT- OXYGEN SENSOR DOWNSTREAM OF CATALYTIC CONVERTER POWER SUPPLY POTENTIAL DISTRIBUTOR 3 RED/GRN WIRE RED/WHT WIRE SENS SENS (+) SENS GND SENS (+) SIG GND SENS 1 SENS 2 SENS GND SIG SIG GND STARTING/CHARGING SYSTEM THROTTLE VALVE ACTUATOR (ON THROTTLE BODY) VENT LINE CONTACT SWITCH 2 VENT LINE CONTACT SWITCH 3 VIO/BLK WIRE VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE