Mercedes-Benz GLC-class X253 (2015-2019) instrument cluster Wiring diagrams

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 LIN ALARM SIREN ATA (EDM)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT ATA (EDW) FUNCTION IND BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM EMERGENCY ALARM SYSTEM "CANCEL" BUTTON EMERGENCY ALARM SYSTEM "TRIGGER" BUTTON EMERGENCY ALARM SYSTEM CANCEL BUTTON RESISTOR FUSE 202 FUSE 312 FUSE 326 FUSE 432 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR LAMP AUTOMATIC FUNCTION BUTTON INTERIOR PROTECTION SWITCH LEFT FRONT DOOR INTERIOR PROTECTION SENSOR LEFT FUSE, RELAY MODULE LEFT REAR INTERIOR PROTECTION SENSOR MULTI-FUNCTION DISPLAY OFF OVERHEAD CONTROL PANEL CONTROL UNIT POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR RIGHT REAR INTERIOR PROTECTION SENSOR SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT YEL WIRE YEL/WHT WIRE

BRN WIRE CAN HMI H CAN HMI L CAN PER H CAN PER L COLLISION PREVENTION ASSIST CONTROLLER UNIT COMPUTER DATA LINES SYSTEM FUSE 208 FUSE 453 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ VEHICLE INTERIOR TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FUSE, RELAY MODULE REAR FUSE, RELAY MODULE RED/BLU WIRE RED/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CAN C H CAN C L CAN HMI H CAN HMI L CLIMATE CONTROL CONTROL UNIT COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT LEVEL SWITCH COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE SENSOR COOLANT TEMPERATURE WARNING LAMP COOLANT THERMOSTAT HEATING ELEMENT DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 101 FUSE 120 FUSE 207 FUSE 315 FUSE 7 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FUSE, RELAY MODULE ME-SFI (ME) CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PURGE CONTROL VALVE PWR-1 RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE REG RELAY ENERGIZED RIGHT A-PILLAR FUSE BOX SIG SIG GND TMOT WAPU+ WHT/BLU 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

360 DEGREE CAMERA CONTROL UNIT BACKUP CAMERA BRN WIRE CAN H H CAN H L CAN HMI H CAN HMI L CAN I H CAN I H PNK CAN I L WIRE CAN I L DOWNSTREAM OF SCR CATALYTIC CONVERTER NOX SENSOR CONTROL UNIT DRIVETRAIN SENSOR CAN (CAN I) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR HEAD-UP DISPLAY INSTRUMENT CLUSTER LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR NCA WIRE NOX SENSOR CONTROL UNIT PNK WIRE PNK/WHT WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT USER INTERFACE CAN (CAN HMI) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE W/ 360 DEGREE CAMERA W/ BACKUP CAMERA YEL WIRE YEL/WHT WIRE

ANTI-LOCK BRAKE SYSTEM INDICATOR LAMP BLK WIRE BLK/WHT WIRE BRAKE FLUID, PARKING BRAKE INDICATOR LAMP BRAKE SYSTEM WARNING LAMP BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE WARNING LAMP ELECTRONIC STABILITY PROGRAM WARNING LAMP ENGINE DIAGNOSIS INDICATOR LAMP ESP SPORT INDICATOR LAMP ESP/ASR OFF WARNING LAMP FRONT FOG LAMPS INDICATOR LAMP FUEL LEVEL INDICATOR FUEL RESERVE INDICATOR LAMP FUSE 200 FUSE 206 FUSE 208 FUSE 333 HEAD-UP DISPLAY (IF EQUIPPED) HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT CLUSTER SPEAKER LEFT FUSE, RELAY MODULE LEFT TURN SIGNAL INDICATOR LAMP LOW BEAM INDICATOR LAMP LVDS MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR LAMP POWER STEERING WARNING LAMP REAR FOG LAMP INDICATOR LAMP RED WIRE RED/YEL WIRE REGENERATIVE BRAKING SYSTEM INDICATOR LAMP RIGHT A-PILLAR FUSE BOX RIGHT TURN SIGNAL INDICATOR LAMP RX- SEAT BELT WARNING LAMP SHIELD SPEEDOMETER STANDING LAMPS INDICATOR LAMP SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP TACHOMETER TIRE PRESSURE MONITOR WARNING LAMP 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

BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM CUTOUT RELAY ENERGIZED FUSE 208 FUSE 341 HOT AT ALL TIMES HOT W/ INSTRUMENT CLUSTER LEFT FRONT TIRE PRESSURE SENSOR LEFT FUSE, RELAY MODULE LEFT REAR TIRE PRESSURE SENSOR QUIESCENT CURRENT RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT TIRE PRESSURE SENSOR RIGHT REAR TIRE PRESSURE SENSOR TIRE PRESSURE MONITOR CONTROL UNIT TIRE PRESSURE MONITOR WARNING LAMP YEL WIRE YEL/WHT WIRE