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

BLK/GRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L RBA-1 CAN H H CAN H L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 466 465 GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT BACKUP LAMP LEFT REAR LAMP UNIT PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RFL L HD RFL L HL RFL R RFL R HR RIGHT BACKUP LAMP RIGHT REAR LAMP UNIT VIO WIRE VIO/WHT WIRE

BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L RBA-1 COMPUTER DATA LINES SYSTEM EXCEPT CONVERTIBLE FUSE 302 FUSE 303 FUSE 406 FUSE 408 FUSE 465 FUSE 466 GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES KRL L HL KRL R HR LEFT LUGGAGE COMPARTMENT LAMP LEFT REAR FOOTWELL LAMP LEFT TRUNK LID/ LIFTGATE AMBIENT LAMP, WARNING LAMP PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RIGHT A-PILLAR FUSE BOX RIGHT LUGGAGE COMPARTMENT LAMP RIGHT REAR FOOTWELL LAMP RIGHT TRUNK LID/ LIFTGATE AMBIENT LAMP, WARNING LAMP SIG HD TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH

BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CLIMATE CONTROL SWITCH GROUP DRIVER SEAT CONTROL UNIT FUSE 305 FUSE 306 FUSE 406 HK SL VL HOT AT ALL TIMES LEFT FRONT AIRSCARF SWITCH LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION LENGTH SWITCH LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH NCA WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT A-PILLAR FUSE BOX SEAT HEATER VIO WIRE

BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CLIMATE CONTROL SWITCH GROUP FRONT PASSENGER SEAT CLIMATE CONTROL SWITCH GROUP FRONT SEAT HEATER CONTROL UNIT FUSE 302 FUSE 306 FUSE 328 FUSE 406 GRY/BLK WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT AIRSCARF SWITCH LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE CUSHION LENGTH HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION VENTILATION MOTORS RIGHT FRONT SEAT HEATER SWITCH RIGHT FRONT SEAT VENTILATION SWITCH SHZ(+) VIO WIRE

AM AMPLIFIER W/ SELECTION SWITCH AM/FM BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM DIAG DIAG AMFM EXCEPT CONVERTIBLE FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FUSE 458 FUSE 460 FUSE 461 FZV GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HD O HD U HEAD UNIT HOT AT ALL TIMES INSTRUMENT CLUSTER KEYLESS-GO CONTROL UNIT KPA HL SIG KPS HR SIG KPS VL SIG KPS VR SIG LEFT FRONT DOOR KEYLESS GO ANTENNA LEFT FRONT KEYLESS GO DOOR HANDLE LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE MULTI-FUNCTION DISPLAY NCA WIRE PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR REAR WINDOW ANTENNA RED WIRE RIGHT FRONT DOOR KEYLESS GO ANTENNA RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE TRUNK KEYLESS GO ANTENNA WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

BF L DR (-) BF L FPS (-) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CAN H L COMPUTER DATA LINES SYSTEM CRASH ANALOG CRASH LH (+) CRASH RF (+) DRIVER SIDE BAG SQUIB EXCEPT CONVERTIBLE FRONT PASSENGER ANCHOR FITTING TENSIONER SQUIB FRONT SAM CONTROL UNIT GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE LEFT HEAD BAG SQUIB LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR ENGINE HOOD LIFTER LEFT SIDE BAG SENSOR LEFT WINDOW BAG SQUIB ME-SFI (ME) CONTROL UNIT PNK/BLK WIRE RBA-1 RIGHT FRONTAL ACCELERATION SENSOR RIGHT HEAD BAG SQUIB RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT REAR ENGINE HOOD LIFTER RIGHT REAR SIDE BAG SQUIB RIGHT WINDOW BAG SQUIB SB BF PS (-) SB DR (-) SB RR (+) SB RR (-) SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TNSG RTR DR (+) TNSG RTR LR (+) TNSG RTR RR (-) USA USA W/ SEAT OCCUPANCY RECOGNITION W/O SEAT OCCUPANCY RECOGNITION VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WB L (+) WB R (-) WHT/GRN WIRE YEL WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 DRIVER SEAT BELT BUCKLE SWITCH FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT PASSENGER SEAT BELT BUCKLE SWITCH FUSE 219 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HOT W/ INSTRUMENT CLUSTER LEFT FUSE, RELAY MODULE LEFT REAR SIDE BAG SQUIB LEFT ROLL BAR SQUIB NCA WIRE PNK/GRN WIRE RELAY ENERGIZED RIGHT SIDE BAG SENSOR SEAT BELT WARNING LAMP STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM INDICATOR LAMP USA VIO WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

ACT ENG HD (-) ACT ENG HD R (-) BCL SW DR(-) BCL SW PS (-) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM CRASH DR LR (-) CRASH DR RR (-) CRASH FR L (-) CRASH FR R (+) CRASH LF (+) CRASH RH (+) DRIVER SEAT POSITION DETECTION SWITCH DRIVER-SIDE ANCHOR FITTING TENSIONER SQUIB EXTINGUISHING AGENT TANK SQUIB FRONT PASSENGER SEAT POSITION DETECTION SWITCH FUSE 218 FUSE 316 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ LEFT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR LEFT FRONT DOOR PRESSURE SENSOR LEFT FRONTAL ACCELERATION SENSOR LEFT FUSE, RELAY MODULE LEFT REAR DOOR PRESSURE SENSOR PNK WIRE PNK/RED WIRE RED/PNK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT A-PILLAR FUSE BOX RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT FRONT DOOR PRESSURE SENSOR RIGHT REAR DOOR PRESSURE SENSOR RIGHT ROLL BAR SQUIB SB LR (-) SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TNSG RTR FPS (-) UEB L (+) UEB R (+) USA VIO WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON FUSE 406 FUSE 413 FUSE 464 FUSE 465 FUSE 466 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE HDK Z HFS HOT AT ALL TIMES HOT W/ LEFT FRONT DOOR CONTROL UNIT LEFT TRUNK PARTITION HALL SENSOR LEFT TRUNK RETRACTABLE PARTITION OBSTRUCTION HALL SENSOR M+ (-) ORG/BLU WIRE PNK WIRE QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RIGHT TRUNK PARTITION HALL SENSOR SIG TRK GSCH R TRUNK LID CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID RELEASE BUTTON TRUNK LID/ LIFTGATE CONTROL ELECTRIC MOTOR TRUNK LID/ LIFTGATE CONTROL POSITION SENSOR TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK PARTITION MOTOR TRUNK PARTITION SWITCH W/ REMOTE TRUNK CLOSING W/O REMOTE TRUNK CLOSING WHT WIRE

BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H RBA-1 CAN B L CAN H AAG CAN L COMPUTER DATA LINES SYSTEM EXCEPT CONVERTIBLE FRONT SAM CONTROL UNIT (LEFT END OF DASH) GRN/WHT WIRE GRY/BLU WIRE LIFTGATE LOCK MOTOR MAIN CATCH ORG/BLU WIRE PWR-1 REAR SAM CONTROL UNIT (LEFT REAR OF LUGGAGE COMPT) RED WIRE SAFETY CATCH SEDAN EXCEPT LIMOUSINE SEPARATE TRUNK LID LOCK SWITCH SIG SIG (+) COC SIG HD SWITCH TRUNK LID TRUNK LID/ LIFTGATE LOCK MOTOR TRUNK LID/LIFTGATE CONTROL BUTTON TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/LIFTGATE LOCK (CONVERTIBLE) TRUNK LID/LIFTGATE LOCK (EXCEPT CONVERTIBLE) TRUNK LID/LIFTGATE LOCKING ELEMENT