Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) rear sam control unit Wiring diagrams

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BUL (+) BUL (+) HECKD CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 477 GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE VIO WIRE VIO/WHT WIRE

BACKUP LAMPS CIRCUIT BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM COUPE DIAG DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 200 FUSE 210 FUSE 476 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT REAR LAMP UNIT NCA WIRE PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RFL (+) HECKD RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT SENS SIG SIG (+) HECKD SIG (1) SIG (2) SIG 3 SIG HECKR SML SML (+) HECKL STEERING COLUMN MODULE CONTROL UNIT TL (+) TL (+) HECKD TL/PL (+) TSI (+) HECKL TSI (+) HECKR VIO WIRE YEL WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL) BRN WIRE CAN A H CAN A L CAN B H CAN B L CENTER STOP LAMP COMPUTER DATA LINES SYSTEM COUPE DIAG DRIVER-SIDE FUSE, RELAY MODULE FUSE 209 206 FUSE 3 FUSE 305 FUSE 477 GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG HECKR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT LICENSE PLATE LAMP LEFT REAR LAMP UNIT LIN MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RFL (+) HECKD RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SIG SML SML (+) DIAG TL (+) TL/PL (+) TOUCHPAD TSI (+) HECKL TSI (+) SIG UPPER CONTROL PANEL CONTROL UNIT W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE YEL WIRE YEL/WHT WIRE

BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE BUL (+) CAN A H CAN A L CAN B L CENTER STOP LAMP COMPUTER COMPUTER DATA LINES SYSTEM COUPE DATA LINES DIAG FUSE 476 GRN/BLU WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HECKR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT LICENSE PLATE LAMP LEFT REAR LAMP UNIT LIN REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/GRY WIRE RFL (+) RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SIG SIG (+) CAN-B H SIG (+) HECKD SYSTEM TL (+) TL/PL/BL TSI (+) TL/PL/BL TSI (+) HECKL TL/PL/BL/TSI (+) TL/PL/BL/TSI (+) DIAG TOUCHPAD TSI (+) W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

AMBIANCE ILLUMINATION CONTROL UNIT BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL UNIT DC/DC CONVERTER CONTROL UNIT DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL MODULE LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING SUNROOF CONTROL MODULE REAR SAM CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL MODULE RIGHT REAR DOOR CONTROL UNIT SLIDING ROOF CONTROL MODULE TAILGATE CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BATTERY DISCONNECT 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 CAN H H CAN H L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH EARLY PRODUCTION ELECTRIC PARKING BRAKE SWITCH ELECTRIC STABILITY PROGRAM CONTROL UNIT FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL UNIT FUSE 477 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HOT W/ LATE PRODUCTION LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG SIG SWITCH RELAY ENERGIZED TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR/ FUEL TANK ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

BATTERY DISCONNECT 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 CAN H H CAN H L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH EARLY PRODUCTION ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL UNIT FUSE 477 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HOT W/ LATE PRODUCTION LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG SIG SWITCH RELAY ENERGIZED TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR/ FUEL TANK ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

BACKUP RELAY BLU WIRE BRN WIRE DRIVER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 9) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 407 FUSE 449 FUSE 452 FUSE 453 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 461 FUSE 466 FUSE 471 FUSE 473 FUSE 476 FUSE 477 FUSE 479 FUSE 480 FUSE 483 GRY WIRE HEATED REAR WINDOW RELAY HECKR LEFT TABLET PC ELECTRICAL CONNECTOR LUGGAGE COMPARTMENT SOCKET N/A PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT TABLET PC ELECTRICAL CONNECTOR SOUND SYSTEM AMPLIFIER CONTROL UNIT SUBWOOFER AMPLIFIER TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 8 OF 9) TO FUSE 465 (DIAGRAM 8 OF 9) TO FUSE 468 (DIAGRAM 4 OF 9) VEHICLE INTERIOR TERMINAL 15 RELAY W/ SEATING COMFORT PACKAGE W/ SMOKER'S PACKAGE W/O SEATING COMFORT PACKAGE W/O SMOKER'S PACKAGE

BATTERY CLAMP FUSE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM CRASH DRIVER BELT FORCE LIMITER FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER ETR (GUS) SQUIB FUEL CELL MANAGEMENT SYSTEM CONTROL UNIT FUSE 477 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR SEAT BELT BUCKLE SWITCH LEFT SIDE BAG SENSOR ME-SFI (ME) CONTROL UNIT NCA WIRE PNK WIRE PNK/BLK WIRE PNK/YEL WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/YEL WIRE REFRIGERANT INERTING SQUIB RIGHT ACTIVE ENGINE HOOD SQUIB RIGHT REAR SEAT BELT BUCKLE SWITCH SIG SIG (+) SIG GND SIG GND SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ FUEL CELL RETROFITTING WHT/GRN WIRE YEL/BLK WIRE

AAG BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BUL (+) CAN B H CAN B L ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FUSE 307 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SENS (+) SENS GND SENS PNK SIG 1 WIRE SIG (2) TL-R (+) TRAILER HITCH RELEASE TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET (7-PIN) (UNDER CENTER OF REAR BUMPER) TSI R (+) TSI-L (+) WHT WIRE YEL WIRE