Mercedes-Benz GLC-class X253 (2015-2019) electronic stability program control unit 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 BRN WIRE CAN-D H CAN-D L DIAGNOSTIC CONNECTOR ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT ETN RX+ ETN TX+ FUSE 204 GRN WIRE GRY WIRE GRY/WHT WIRE HEAD UNIT HERMES CONTROL UNIT HOT AT ALL TIMES K LINE LEFT FUSE, RELAY MODULE ORG/ WIRE PNK WIRE RED/GRN WIRE TELEMATICS SERVICES COMMUNICATION MODULE W/ EMERGENCY CALL/ ASSISTANCE SYSTEM W/ HERMES W/ TELEMATICS WAKEUP WHT WIRE WHT/BLK WIRE YEL/GRY WIRE

BLK WIRE BRN WIRE DIAGNOSTIC CONNECTOR DRIVE TRAIN SENSOR CAN (CAN 1) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT PASSENGER SIDE BAG SQUIB HEAD UNIT LEFT BACKREST/RELEASE INCLINATION LEFT FRONT ILLUMINATED DOOR SILL MOLDING (IF EQUIPPED), LEFT REAR INTERIOR PROTECTION SENSOR ON-BOARD ELECTRICAL SYSTEM BATTERY, BATTERY SENSOR

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

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L DISTRONIC ELECTRIC CONTROLLER UNIT (BEHIND CENTER OF FRONT GRILLE) DRIVETRAIN CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEXRAY 1 BM FLEXRAY 1 BP FLEXRAY 1 BP PNK FLEXRAY 1 BM WIRE FLEXRAY 2 BM FLEXRAY 2 BP FLEXRAY 3 BP PNK FLEXRAY 3 BM WIRE FLEXRAY 3 BP PNK FLEXRAY 3 BP WIRE FLEXRAY 4 BM FLEXRAY 4 BP FLEXRAY 4 BP PNK FLEXRAY 1 BP WIRE FLEXRAY 4 BP PNK FLEXRAY 4 BM WIRE FRONT LONG RANGE RADAR SENSOR GRN WIRE GRN/WHT WIRE LEFT FRONT BUMPER RADAR SENSOR PNK FLEXRAY 4 BM WIRE PNK WIRE PNK/WHT WIRE RADAR SENSOR CONTROL UNIT RIGHT FRONT BUMPER RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ ACTIVE PARK ASSIST W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS, DISTRONIC PLUS, AIRMATIC W/ DISTRONIC PLUS W/O DISTRONIC PLUS W/O AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS, DISTRONIC PLUS, AIRMATIC YEL WIRE YEL/WHT WIRE

ANALOG CLOCK BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L RBA-1 CAN H H CAN H L COC COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH DRIVER SEAT BELT BUCKLE SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE CONTROLS SYSTEM FRONT SAM CONTROL UNIT FUEL PRESSURE SENSOR FUEL PUMP CONTROL UNIT GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE KDS/FQS SIG LIN 1 LIN 1 COC OUTSIDE TEMPERATURE SENSOR PWR-1 RED WIRE RED/YEL WIRE S GND SIG SW 1 SW 2 SW 3 SW 4 VIO WIRE VIO/WHT WIRE WHT/GRY WIRE YEL WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L CENTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR COC COMPUTER DATA LINES SYSTEM DATA WE 2 DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FEED FEED WE 2 FLEXRAY 1 BM FLEXRAY 1 BP FLEXRAY 1/2 BM FLEXRAY 1/2 BP FRONT SAM CONTROL UNIT FUSE 323 FUSE 331 FUSE 339 GND WE 2 GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INNER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR INNER LEFT REAR PARKING SYSTEM DISTANCE SENSOR INNER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR INNER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR LEFT LOWER CONTROL PANEL LIN 1 OUTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR PARKING SYSTEM BUTTON PARKING SYSTEM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) PNK WIRE RBA-1 REAR PARKING SYSTEM INDICATOR RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT LOWER CONTROL PANEL W/ AIRMATIC, AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/O AIRMATIC, AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE YEL/VIO 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