Mercedes-Benz GLC-class Coupe C253 (2016-2019) brn Wiring diagrams

2 3 A M K KK 6 7 TMP VD V 6 7 WAPU+ AFV AC HOUSING, BLK WIRE BLK/YEL WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BRN WIRE BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM EVAPORATOR TEMPERATURE SENSOR FUSE 207 FUSE 3 FUSE 311 FUSE 340 FUSE 415 GND GND GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR LEFT FUSE, RELAY MODULE ORG/ WIRE PERFUME ATOMIZER GENERATOR PNK WIRE REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR BOX RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SIG STATIONARY HEATER UNIT SW POS TEMP TMP FR L TMP FR R VEHICLE INTERIOR PREFUSE BOX VIO WIRE VIO/YEL WIRE W/ AIR BALANCE PACKAGE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

BLK/RED WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM FUSE 302 FUSE 406 FUSE 452 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ VEHICLE INTERIOR TERMINAL 15 RELAY ENERGIZED LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR LEFT OUTSIDE MIRROR REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RIGHT A-PILLAR FUSE BOX RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTER REAR BUMPER INTEGRATED RADAR SENSOR RIGHT OUTSIDE MIRROR TA B (+) TA W (+) VIO WIRE VIO/WHT 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

ACTIVE LANE KEEPING ASSIST BUTTON AUXILIARY HEATER HEATING ELEMENT BRN WIRE BRN/RED WIRE CAN B H CAN B L RBA-1 CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP FRONT SAM CONTROL UNIT FUSE 325 GRN WIRE GRN/WHT WIRE HEM (+) HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LIN 1 LIN 1 COC MONO MULTI-FUNCTION CAMERA RED/BRN WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX YEL WIRE

AC HOUSING, ALTERNATOR BATTERY SENSOR BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE CIRCUIT 30 TERMINAL BLOCK DC/AC CONVERTER CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENABLE SW ENABLE SW (-) 31 FAN MOTOR FROM REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 6) FROM REAR FUSE, RELAY MODULE (DIAGRAM 4 OF 6) FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 2 FUSE 3 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 GRN/BLK WIRE N/A NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/BLK WIRE ORG/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE QUIESCENT CURRENT CUTOUT RELAY RBA RED WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 4 TO ENGINE FUSE, RELAY MODULE (DIAGRAM 2 OF 6) TO LEFT FUSE, RELAY MODULE (DIAGRAM 2 OF 6) TO REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 6) TO REAR FUSE, RELAY MODULE (DIAGRAM 4 OF 6) TO RIGHT A-PILLAR FUSE BOX (DIAGRAM 6 OF 6) VOLTAGE DIP LIMITER

AMPLIFIER CONTROL UNIT BACKUP RELAY BLK WIRE BRN WIRE FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 6) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 410 FUSE 433 FUSE 434 FUSE 435 FUSE 436 FUSE 437 FUSE 438 FUSE 439 FUSE 442 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 450 FUSE 462 FUSE 464 FUSE 467 GRY/BLU WIRE HEATED REAR WINDOW RELAY LUGGAGE COMPARTMENT SOCKET N/A PNK/RED WIRE REAR CONTROL UNIT REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SOUND SYSTEM STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TABLET PC LEFT ELECTRICAL CONNECTOR TABLET PC RIGHT ELECTRICAL CONNECTOR TAILGATE CONTROL UNIT TELEPHONE, STATIONARY HEATER CHANGEOVER SWITCH TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 6) TO FUSE 455 (DIAGRAM 4 OF 6) TO RESERVE FUSE 425 (DIAGRAM 4 OF 6) TRAILER RECOGNITION CONTROL UNIT TRUNK LID CONTROL UNIT VEHICLE INTERIOR POWER OUTLET VEHICLE INTERIOR TERMINAL 15 RELAY W/ SMOKER'S PACKAGE W/O SMOKER'S PACKAGE W/ SOUND SYSTEM

ADAPTIVE DAMPING SYSTEM CONTROL UNIT AIRMATIC CONTROL UNIT BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DIRECT SELECT INTELLIGENT SERVO MODULE DISTRONIC ELECTRIC CONTROLLER UNIT DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FR 1 BM FR 1 BP FR 2 BM FR 2 BP FR 3 BM FR 3 BP FR 4 BM FR 4 BP FR 5 BP FROM LEFT FUSE, RELAY MODULE (DIAGRAM 2 OF 6) FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HF SIG ISM LEFT FRONT DOOR CONTROL UNIT PARK PAWL CAPACITOR PNK FR 5 BM WIRE PNK WIRE RADAR SENSORS CONTROL UNIT RED/BLU WIRE RED/GRN WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI-FUNCTION CAMERA W/ ACTIVE LANE KEEPING ASSIST W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS, DISTRONIC PLUS, AIRMATIC YEL WIRE YEL/WHT 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

ALDW - BACK BUTTON BLK WIRE BRN WIRE GRN WIRE GRN/ORG WIRE GRY/BLU WIRE HEATING ELEMENT HEATING ELEMENT TEMPERATURE SENSOR L OK L RETURN LEFT LOWER HORN BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LEFT UPPER HORN BUTTON LH - LSP + MUTE VCS TEL ANSWER/ END CALL NTC- OK BUTTON RED WIRE RIGHT LOWER HORN BUTTON RIGHT UPPER HORN BUTTON SCROLL FORWARD/ BACK BUTTON STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SYSTEM SELECTION BUTTON U MFL R UP/DOWN V MFL L VOICE CONTROL SYSTEM OFF BUTTON W/ ACTIVE LANE KEEPING ASSIST YEL WIRE

3 BM 3 BP AUXILIARY HEATER HEATING ELEMENT BRN WIRE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX RAY FLEX RAY 3 BM FLEX RAY 3 BP FUSE 325 GRN WIRE HEM (+) HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED PNK WIRE RED/BRN WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX STEREO MULTI-FUNCTION CAMERA