Mercedes-Benz GLC-class X253 facelift (2019-2023) electronic stability program control unit Wiring diagrams

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BUL (+) BUL (+) HECKD CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 477 GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE VIO WIRE VIO/WHT WIRE

BLK WIRE BLK/RED WIRE BLU/BRN WIRE BRN BRN/YEL) WIRE BRN WIRE CAN H H CAN H L CAN HMI H CAN HMI L CENTER STOP LAMP COMPUTER DATA LINES SYSTEM COUPE DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FUSE 128 FUSE 209 206 FUSE 3 FUSE 305 FUSE 322 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT LICENSE PLATE LAMP LIN 1 MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LICENSE PLATE LAMP SENS SIG SIG (1) SIG (2) SIG 3 STOP LAMP SWITCH UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/RED WIRE BLU 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 COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE 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 128 FUSE 200 FUSE 210 FUSE 322 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD LIGHT COC HAZARD SIG HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT LAMP UNIT LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT FRONT LAMP UNIT RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SENS SIG SIG (1) SIG (2) SIG 3 SIG 3 PNK SENS (+) WIRE SML STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH SYSTEM TSI R (+) TSI-L (+) VIO WIRE VIO/WHT WIRE W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H 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 FUSE 126 FUSE 128 FUSE 200 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT FRONT LAMP UNIT PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/WHT WIRE SENS SIG SIG (1) SIG (2) SIG 3 STOP LAMP SWITCH TSI R (+) VIO WIRE VIO/WHT WIRE W/O FUEL CELL RETROFITTING YEL WIRE

AUDIO EQUIPMENT FAN MOTOR AUDIO/ COMAND DISPLAY BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CARSHARING CONTROL UNIT CIRCUIT 31 POTENTIAL DISTRIBUTOR 1 CIRCUIT 31 POTENTIAL DISTRIBUTOR 2 CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT CYLINDER 1 IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 3 IGNITION COIL CYLINDER 4 IGNITION COIL DIAGNOSTIC CONNECTOR DRIVER SIDE ENGINE HOOD CONTACT SWITCH DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP DRIVETRAIN SENSOR CAN (CAN I) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR ELECTRIC COOLANT PUMP ELECTRIC PARKING BRAKE SWITCH ELECTRONIC BLOWER CONTROLLER ELECTRONIC STABILITY PROGRAM CONTROL UNIT FAN MOTOR HEAD-UP DISPLAY INSTRUMENT CLUSTER KEYLESS GO START/STOP BUTTON LEFT FRONT FOOTWELL AMBIANCE ILLUMINATION LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR ME-SFI (ME) CONTROL UNIT NCA WIRE PERIPHERALS CAN (CAN PER) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR RIGHT FRONT FOOTWELL AMBIANCE ILLUMINATION STARTER ALTERNATOR COOLANT PUMP STEERING COLUMN MODULE CONTROL UNIT STOWAGE COMPARTMENT ILLUMINATION TELEMATICS CAN (CAN A) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR TOP OF ENGINE) UPPER CONTROL PANEL CONTROL UNIT W/ AMBIANCE ILLUMINATION, INTERIOR LIGHTS PACKAGE W/ FUEL CELL RETROFITTING WHT WIRE

BLK WIRE BLK/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE FUSE 110 FUSE 111 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT LAMP UNIT OVERHEAD CONTROL PANEL CONTROL UNIT RED/BLU WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG GND VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL 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

ACTIVE DISTANCE ASSIST DISTRONIC ELECTRIC CONTROLLER UNIT ADAPTIVE DAMPING SYSTEM CONTROL UNIT (UNDER DRIVER'S SEAT) AIR BODY CONTROL, CHASSIS W/ STEEL/AIR SUSPENSION BRN WIRE BRN/RED WIRE CAN BH CAN BL CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM PNK FLEX-E BM WIRE FLEXRAY BM FLEXRAY BP FLEXRAY E BM FLEXRAY E BP GRN WIRE GRN/WHT WIRE INTELLIGENT DRIVE CONTROL UNIT PNK FLEX-E BM WIRE PNK FLEXRAY BM WIRE PNK WIRE SHORT, LONG-RANGE RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ ACTIVE DISTANCE ASSIST DISTRONIC W/ ACTIVE PARK ASSIST W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/ DYNAMIC BODY CONTROL SUSPENSION W/ ADJUSTMENT DAMPING YEL WIRE YEL/WHT WIRE

AIRMATIC RELAY ALL-WHEEL DRIVE CONTROL UNIT BLK/RED WIRE COOLANT PUMP RELAY CPC RELAY DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY EXTERIOR LIGHTS SWITCH FANFARE HORN RELAY FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 9) FRONT SAM CONTROL UNIT FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 117 FUSE 120 FUSE 121 FUSE 122 FUSE 123 FUSE 124 FUSE 125 FUSE 126 FUSE 128 FUSE 129 FUSE 130 FUSE 133 LEFT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT N/A OIL PUMP RELAY ORG/BLU WIRE PNK/RED WIRE REAR USB ELECTRICAL CONNECTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT STARTER CIRCUIT 50 RELAY TO PARK PAWL CAPACITOR (DIAGRAM 5 OF 9) VACUUM PUMP RELAY W/ DYNAMIC LED W/ STATIC LED W/ DYNAMIC LED W/O FUEL CELL RETROFITTING WIPER MOTOR WIPER PARK POSITION HEATER RELAY

1 BM 1 BP BLK/YEL WIRE BLU WIRE BRN WIRE CAN L CAN-H CAN-H 5 6 CAN-L DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEXRAY FLEXRAY 1 BM FLEXRAY 1 BP FUSE 202 FUSE 210 GRN WIRE HEAD UNIT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP HEATING ELEMENT HEATING ELEMENT TEMPERATURE SENSOR HORNS CONTACT PLATE INSTRUMENT CLUSTER MULTI-FUNCTION STEERING WHEEL BUTTON GROUP NCA WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED SENS GND SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS SUPPLEMENTAL RESTRAINTS SYSTEM SWITCH TEMP VIO/YEL WIRE W/ BATTERY DISCONNECT