Mercedes-Benz GLC-class Coupe C253 (2016-2019) rear sam control unit 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

BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BMSL RBA-1 BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CENTER STOP LAMP COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DIAG FLEX RAY 1 BM FLEX RAY 1 BP FRA HL FRA HR FUSE 200 FUSE 210 FUSE 465 GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT FUSE, RELAY MODULE LEFT REAR LAMP UNIT NSL PNK WIRE PWR-1 PWR-2 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 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 RIGHT REAR LAMP UNIT SL HD SML SML HL SML HR STEERING COLUMN MODULE CONTROL UNIT TURN SIGNAL LAMPS SWITCH VIO WIRE W/ ACTIVE LANE KEEPING ASSIST YEL WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE BU HL BU HR CAN A H CAN A L CAN B H CAN B L CAN B L RBA-1 COMPUTER DATA LINES SYSTEM DIAG DIAG HR EL VL EXCEPT LIMOUSINE FRA HL FRA HR FRA-L HL FRA-R FUSE 209 FUSE 326 FUSE 466 465 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HGB R HGB-L HD HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LAMP LEFT BACKUP LAMP LEFT FUSE, RELAY MODULE LEFT REAR FOG LAMP LEFT REAR LAMP UNIT LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TAIL LAMP LIMOUSINE LIN MARKER MIRRORS SYSTEM NSL NSL-L ORG/ WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT BACKUP LAMP RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP RIGHT TAIL LAMP SL HD SL HL SL HR SML SML HL SML HR UPPER CONTROL PANEL CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BL/SL BL/SL BL/SL-L HR BL/SL BL/SL-R BL/SL-R BSL HL BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BMSL RBA-1 BRN WIRE CENTER STOP LAMP DIG FRA(SML) HL FRA(SML) HR FRL RFL-L HD GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HGB AL HGB AR INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT BACKUP LAMP LEFT INSIDE TAIL LIGHT LEFT LICENSE PLATE LAMP LEFT REAR FOG LAMP LEFT REAR LAMP UNIT NSL ORG/ WIRE REAR SAM CONTROL UNIT RED/GRY WIRE RFL HGB-IR RFL-R SL RIGHT BACKUP LAMP RIGHT INSIDE TAIL LIGHT RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SL HGB-IL VIO WIRE VIO/PNK WIRE YEL WIRE YEL/WHT WIRE

BACKUP LAMP BACKUP LAMPS CIRCUIT BL/FRA BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/VIO WIRE BLK/WHT WIRE BMSL RBA-1 BRN WIRE BRN/RED WIRE BU HL BU HR CAN B H CAN B L RBA-1 COMPUTER DATA LINES SYSTEM DIAG DIAG HR FRA FRA HL FRA-L FRA-R FUSE 466 465 GRN/BLU WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HGB AL HGB AR HGB R HGB-L HD HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT BACKUP LAMP LEFT REAR FOG LAMP LEFT REAR LAMP UNIT LEFT REAR TURN SIGNAL LAMP LEFT SIDE MARKER LAMP LEFT STOP LAMP LEFT TAILLAMP LEFT TAILLIGHT, BRAKE LIGHT NSL NSL HD NSL-L PWR-2 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE RFL (+) RIGHT REAR RIGHT REAR FOG LAMP RIGHT REAR LAMP UNIT RIGHT REAR TURN SIGNAL LAMP RIGHT SIDE MARKER LAMP RIGHT STOP LAMP RIGHT TAILLAMP RIGHT TAILLIGHT, BRAKE LIGHT SL SL/BL SL/L SL/R SML HL SML HR VIO/PNK WIRE YEL/WHT WIRE

BL/SL BL/SL BL/SL-L HR BL/SL BL/SL-R BL/SL-R BSL HL BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIG ELECTRIC PARKING BRAKE SWITCH ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRA(SML) HL FRA(SML) HR FRL RFL-L HD FUSE 108 FUSE 110 FUSE 128 FUSE 326 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP RANGE CONTROLLER HGB AL HGB AR HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT FRONT LAMP UNIT LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP CONTROL UNIT LEFT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT LEFT REAR LAMP UNIT NSL PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FOG LAMP BUTTON REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RFL HGB-IR RFL-R SL RIGHT A-PILLAR FUSE BOX RIGHT REAR LAMP UNIT SL HGB-IL VIO WIRE VIO/PNK WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

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

360 DEGREE CAMERA CONTROL UNIT AIR BODY CONTROL PLUS CONTROL UNIT AIR SCARF CONTROL UNIT AMPLIFIER CONTROL UNIT BACKUP CAMERA (IF EQUIPPED) CAMERA COVER CONTROL UNIT CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/COMPENSATOR COLLISION PREVENTION ASSIST CONTROLLER UNIT COUPE CONVERTIBLE COUPE CONVERTIBLE, SEDAN DISTRONIC ELECTRIC CONTROLLER UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT ENGINE SOUND CONTROL UNIT FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FOOTWELL ILLUMINATION SWITCH FROM FUSE 415 (DIAGRAM 4 OF 6) FROM FUSE 467 (DIAGRAM 3 OF 6) FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 6) FROM VEHICLE INTERIOR TERMINAL 15 RELAY (DIAGRAM 3 OF 6) FRONT LONG RANGE RADAR SENSOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL CONTROL UNIT FUSE 406 FUSE 408 FUSE 409 FUSE 411 FUSE 413 FUSE 414 FUSE 415 FUSE 416 FUSE 417 FUSE 418 FUSE 419 FUSE 420 FUSE 422 FUSE 423 FUSE 424 FUSE 428 FUSE 440 FUSE 441 FUSE 443 FUSE 448 FUSE 451 FUSE 452 FUSE 453 FUSE 454 FUSE 455 FUSE 456 FUSE 458 FUSE 460 FUSE 461 FUSE 465 FUSE 466 KEYLESS-GO CONTROL UNIT LEFT FRONT BUMPER RADAR SENSOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT OUTER REAR BUMPER RADAR SENSOR MOBILE PHONE CONTACT PLATE N/A PARK PAWL CAPACITOR PEDAL OPERATION MONITOR SWITCH PERFUME ATOMIZER GENERATOR PNK/BLK WIRE PNK/GRN WIRE REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 407 RESERVE FUSE 425 RESERVE FUSE 427 RESERVE FUSE 429 RESERVE FUSE 430 RIGHT FRONT BUMPER RADAR SENSOR RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT OUTER REAR BUMPER RADAR SENSOR RIGHT REAR DOOR CONTROL UNIT, REAR DOOR CONTROL SOUND SYSTEM TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 6) TO FUSE 424 (DIAGRAM 4 OF 6) TRUNK LID CONTROL UNIT TUNER UNIT W/ AIR BALANCE PACKAGE W/ DISTRONIC PLUS W/ PRE- SAFE W/ SEATING COMFORT PACKAGE W/O DISTRONIC PLUS

AAG BL-L BL-R BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN L ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FULLY ELECTRIC TRAILER HITCH SWIVEL UNIT FUSE 308 FUSE 433 FUSE 434 FUSE 435 FUSE 437 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HS 1 PNK SP 1 WIRE LED LED 1 LED 2 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/YEL WIRE RFL (+) RIGHT A-PILLAR FUSE BOX SIG SP 2 SP- TRAILER HITCH RELEASE TRAILER HITCH RELEASE SWITCH TRAILER HITCH SWITCH TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET (7-PIN) (UNDER CENTER OF REAR BUMPER) WHT WIRE YEL WIRE

30-1 BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN B H CAN B H RBA-1 CAN B L CAN L AAG COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON ELECTRIC MOTOR FRONT SAM CONTROL UNIT FUSE 406 FUSE 464 FUSE 465 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HALL SENSOR HFS HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LOCK MOTOR M+ (-) MAIN CATCH SWITCH NCA WIRE POSITION SENSOR PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE SAFETY CATCH SWITCH SEPARATE TRUNK LID LOCK SWITCH SIG SIG (+) COC SIG (1) SIG (2) SIG HD TAILGATE CONTROL UNIT TAILGATE LOCKING ELEMENT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFTGATE CONTROL BUTTON TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK LID/LIFTGATE LOCK