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

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

BLU WIRE BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRIC POWER STEERING TORQUE SENSOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FLEXRAY 1 BM FLEXRAY 1 BP FUSE 8 GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER PAS A PAS B PNK WIRE RED WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

ANST ANTI-LOCK BRAKES SYSTEM COOLING FANS SYSTEM ASSG START BBV VR BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COOLING FANS SYSTEM ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE ESSCH B N L ESSCH B N R FANFARE RELAY FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 125 FUSE 200 FUSE 201 FUSE 336 GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM LEFT FUSE, RELAY MODULE LL BU LL YE PNK/RED WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RBA-1 RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RSS CLS HSD RSS CLS LSD RSS OPN HSD RSS OPN LSD SIG SML STARTING/CHARGING SYSTEM TFL VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE

AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, INSTRUMENT CLUSTER, WARNING SYSTEMS BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COC BEL COC SW COMPUTER DATA LINES SYSTEM CRASH ANALOG FRONT SAM CONTROL UNIT (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS INSTRUMENT CLUSTER SYSTEM LDS SGN 1 LDS SGN 2 LDS SGN 3 LIN 1 LL BU LL WH (+) LL YE PNK WIRE PNK/GRN WIRE POWER DISTRIBUTION SYSTEM RBA RBA-1 REAR SAM CONTROL UNIT CIRCUIT RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE SIG SML SUPPLEMENTAL RESTRAINTS SYSTEM TFL TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ AMBIANCE ILLUMINATION W/ INTERIOR LIGHTS PACKAGE W/ DRIVING SCHOOL PACKAGE WHT WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM AIR CONDITIONING SYSTEM YEL WIRE

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN I H CAN I L CAN PER H CAN PER L DRIVETRAIN CONTROL UNIT ENGINE SOUND CONTROL UNIT FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE INTELLIGENT SERVO MODULE FOR DIRECT SELECT ME-SFI (ME) CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PNK WIRE PNK/WHT WIRE SLIDING ROOF CONTROL MODULE TRANSMISSION OIL AUXILIARY OIL PUMP CONTROL UNIT W/ PANORAMIC SLIDING SUNROOF W/O PANORAMIC SLIDING SUNROOF 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

AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EL VL FUSE 302 FUSE 406 GRN WIRE GRY WIRE GRY/WHT WIRE HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HOT AT ALL TIMES LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER NEIG HOR NEIG VER OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD-OUT ELECTRIC MOTOR OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH SPG ABBL SPG F SPG G TA B (+) TA W (+) VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VIO WIRE WHT WIRE YEL WIRE

AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM EL VL GRN WIRE GRY WIRE GRY/WHT WIRE HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR MIRROR HEATER NEIG HOR NEIG VER OUTSIDE MIRROR FOLD-IN/ FOLD-OUT ELECTRIC MOTOR RED WIRE RED/BLU WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SPG ABBL SPG F SPG G TA B (+) TA W (+) VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VIO WIRE WHT WIRE YEL WIRE

1 BM 1 BP ACCELERATE, SET SWITCH ACCEPT/TERMINATE BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BUTTON BUTTONS COMBINATION SWITCH CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FLEXRAY FLEXRAY 1 BM FLEXRAY 1 BP FOR SETTING FUSE 210 FUSE 329 GRN WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FUSE, RELAY MODULE MUTE FUNCTION NCA WIRE OFF SWITCH PHONE CALL PNK WIRE RED WIRE RED/BLK WIRE RESUME FROM MEMORY SWITCH RIGHT A-PILLAR FUSE BOX RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SPECIFIC FUNCTIONS, STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ANGLE SENSOR SUPPLEMENTAL RESTRAINTS SYSTEM TURN SIGNAL LAMPS SWITCH VIO/YEL WIRE VOLUME CONTROL W/ ACTIVE LANE KEEPING ASSIST W/ INTELLIGENT CRUISE CONTROL W/O INTELLIGENT CRUISE CONTROL WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

AIR CONDITIONING SYSTEM BLU WIRE BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR BRN WIRE BRN/GRY WIRE CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT COMBUSTION AIR BLOWER COMMUNICATIONS MODULE/ STATIONARY HEATER ANTENNA SPLITTER EMERGENCY CALL SYSTEM ANTENNA FLAME MONITOR FUSE 209 FUSE 318 FUSE 410 GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GLOW PLUG GLOW PLUG/ FLAME MONITOR UNIT GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FUSE, RELAY MODULE NCA WIRE POWER DISTRIBUTION SYSTEM REAR AIR CONDITIONING OPERATING UNIT REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX SHIELD SHIELD GSM SIG STATIONARY HEATER BUTTON STATIONARY HEATER COMBUSTION AIR BLOWER STATIONARY HEATER CONTROL UNIT STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT (RIGHT SIDE OF ENGINE COMPT) STH TELEMATICS SERVICES COMMUNICATION MODULE TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TEMPERATURE SENSOR THERMAL FUSE UMSCHVNT VIO WIRE WHT WIRE