Mercedes-Benz S-class W222/C217/A217 facelift (2017-2020) left rear seat control unit Wiring diagrams

ACTIVE BELT BUCKLE CONTROL UNIT ATA (EDW)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT BRN WIRE BRN/RED WIRE CAN B H CAN B L DRIVER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT GRN WIRE GRN/WHT WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT LEFT REAR MULTICONTOUR SEAT CONTROL UNIT LEFT REAR SEAT CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP PNK WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 429 GRN/BRN WIRE GRY/PNK WIRE GTK FL HK SL FL HOT AT ALL TIMES HS SIG LEFT REAR SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR LEFT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID LEFT REAR SEAT CONTROL UNIT M+ (-) PNK/BLK WIRE PNK/GRN WIRE PNK/RED WIRE PNK/YEL WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE SB SL FL SEATS SYSTEM VIO WIRE

BACKREST ADJUSTMENT SWITCH BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 301 GRN/BRN WIRE GRY/PNK WIRE HEAD RESTRAINT ADJUSTMENT SWITCH HK SF FL HOT AT ALL TIMES INCLINATION ADJUSTMENT SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT ADJUSTMENT SWITCH GROUP LEFT REAR SEAT CONTROL UNIT LEFT REAR SEAT CUSHION INCLINATION ADJUSTMENT MOTOR, HALL SENSOR LEFT REAR SEAT HEAD RESTRAINT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR LEFT REAR SEAT HEAD RESTRAINT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR LEFT REAR SEAT HEATER CONTROL UNIT LEG REST SWITCH MEMORY 1 SWITCH MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLK WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/RED WIRE PNK/YEL WIRE RED WIRE RED/WHT WIRE SB SK FL SEATS SYSTEM UB (+) VIO WIRE WHT WIRE YEL WIRE

ACTIVE BELT BUCKLE CONTROL UNIT ACTIVE BODY CONTROL UNIT ADVANCED SOUND SYSTEM AIRMATIC CONTROL UNIT AIRSCARF CONTROL UNIT AMPLIFIER CONTROL UNIT ARMREST HEATER CONTROL UNIT BACKUP CAMERA CONTROL UNIT BACKUP RELAY CONTROL UNIT, FRONT CAMERA COVER MOTOR COUPE CONVERTIBLE DRIVER SEAT HEATER CONTROL UNIT FROM VEHICLE INTERIOR TERMINAL 15 RELAY (DIAGRAM 3 OF 7) FUSE 414 FUSE 415 FUSE 416 FUSE 424 FUSE 425 FUSE 427 FUSE 428 FUSE 429 FUSE 435 FUSE 436 FUSE 443 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 449 FUSE 450 FUSE 451 FUSE 452 FUSE 453 FUSE 454 FUSE 462 FUSE 467 FUSE 468 FUSE 469 FUSE 471 FUSE 472 FUSE 475 FUSE 476 FUSE 477 FUSE 478 FUSE 483 LEFT FRONT POWER WINDOW HYDRAULIC PUMP RELAY LEFT REAR DISPLAY, RIGHT REAR DISPLAY LEFT REAR MULTICONTOUR SEAT CONTROL UNIT LEFT REAR POWER WINDOW HYDRAULIC PUMP RELAY LEFT REAR SEAT CONTROL UNIT LEFT REAR SEAT HEATER CONTROL UNIT MAGIC SKY CONTROL UNIT MERCEDES-BENZ INTELLIGENT DRIVE CONTROL UNIT N/A OF 7) REAR ENTERTAINMENT CONTROLLER UNIT REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE RED WIRE RED/BLK WIRE RED/WHT WIRE RESERVE FUSE 412 RESERVE FUSE 461 RESERVE FUSE 470 RESERVE FUSE 479 RESERVE FUSE 480 RIGHT FRONT POWER WINDOW HYDRAULIC PUMP RELAY RIGHT REAR MULTICONTOUR SEAT CONTROL UNIT RIGHT REAR SEAT CONTROL UNIT RIGHT REAR SEAT HEATER CONTROL UNIT SEDAN SOUND SYSTEM AMPLIFIER CONTROL UNIT (W/ SOUND SYSTEM) SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT (SVMCU (MSS)) SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TO BATTERY DISCONNECT SWITCH RELAY (DIAGRAM 7 OF 7) TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 1 TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 7) TO RESERVE FUSE 423 (DIAGRAM 7 OF 7) TO SPECIAL PURPOSE VEHICLE FUSE BLOCK 1 (DIAGRAM 5 OF 7) TRAILER RECOGNITION CONTROL UNIT TRUNK LID CONTROL UNIT TV TUNER CONTROL UNIT W/ ADVANCED SOUND SYSTEM W/ TOP PROTECTION W/O TOP PROTECTION WHT WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 429 FUSE 450 HK SF FR HK SF SL HK SL FL HK SL FR HOT AT ALL TIMES LEFT REAR BACKREST HEATED CUSHION LEFT REAR BACKREST SIDE BOLSTER HEATER PAD LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT ADJUSTMENT SWITCH GROUP LEFT REAR SEAT BACKREST VENTILATION MOTOR LEFT REAR SEAT CONTROL UNIT LEFT REAR SEAT CUSHION SIDE BOLSTER HEATER PAD LEFT REAR SEAT CUSHION VENTILATION MOTOR LEFT REAR SEAT HEATER SWITCH LEFT REAR SEAT SITTING SURFACE HEATED CUSHION LEFT REAR SEAT VENTILATION SWITCH NCA WIRE PNK/BRN WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR BACKREST SIDE BOLSTER HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT ADJUSTMENT SWITCH GROUP RIGHT REAR SEAT BACKREST VENTILATION MOTOR RIGHT REAR SEAT CONTROL UNIT RIGHT REAR SEAT CUSHION SIDE BOLSTER HEATER PAD RIGHT REAR SEAT CUSHION VENTILATION MOTOR RIGHT REAR SEAT HEATER SWITCH RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION RIGHT REAR SEAT VENTILATION SWITCH SB SK FL SB SL FL SB SL FR UB (+) VIO WIRE W/O VENTILATION WHT WIRE

BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 451 FUSE 452 HEATER PAD TEMPERATURE SENSOR LEFT REAR BACKREST HEATED CUSHION HEATER PAD TEMPERATURE SENSOR LEFT REAR SEAT SITTING SURFACE HEATED CUSHION HEATER PAD TEMPERATURE SENSOR RIGHT REAR BACKREST HEATER PAD HEATER PAD TEMPERATURE SENSOR RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION HOT AT ALL TIMES LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT ADJUSTMENT SWITCH GROUP LEFT REAR SEAT CONTROL UNIT LEFT REAR SEAT HEATER CONTROL UNIT LEFT REAR SEAT HEATER SWITCH NCA WIRE PNK/YEL WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT ADJUSTMENT SWITCH GROUP RIGHT REAR SEAT CONTROL UNIT RIGHT REAR SEAT HEATER CONTROL UNIT RIGHT REAR SEAT HEATER SWITCH TS HK SF FL TS HK SF FR TS HK SL FL TS HK SL FR UB (+) VHK VIO WIRE WHT WIRE YEL WIRE YEL/BRN WIRE

BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER SEAT BELT BUCKLE ASSEMBLY) DRIVER SEAT BELT BUCKLE SWITCH DRIVER SEAT BELT COMFORT-FIT FUNCTION SOLENOID DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT BELT BUCKLE SWITCH FRONT PASSENGER SEAT BELT COMFORT-FIT FUNCTION SOLENOID FRONT PASSENGER SEAT CONTROL UNIT FUSE 303 FUSE 304 FUSE 429 FUSE 450 GRN/GRY WIRE GRY/GRN WIRE GTK BF GTK FL GTK FR HOT AT ALL TIMES LEFT "C" PILLAR) LEFT REAR SEAT ACTIVE BELT BUCKLE MOTOR LEFT REAR SEAT BELT BUCKLE SWITCH LEFT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID LEFT REAR SEAT CONTROL UNIT ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT REAR SEAT ACTIVE BELT BUCKLE MOTOR RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID RIGHT REAR SEAT CONTROL UNIT SEDAN SIG SR L SR R SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT W/ REAR PRE-SAFE W/O REAR PRE-SAFE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE