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

ACTIVE BELT BUCKLE CONTROL UNIT BLU WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 424 FUSE 432 FUSE 433 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES ILL LEFT REAR SEAT ACTIVE BELT BUCKLE MOTOR NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT REAR SEAT ACTIVE BELT BUCKLE MOTOR SHIELD SIG SIG LED 1-B WHT WIRE YEL WIRE

AIRSCARF CONTROL UNIT AMAL HZG AMAL TMP ARMREST HEATER CONTROL UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CONVERTIBLE COUPE COUPE DRIVER-SIDE FUSE, RELAY MODULE FRONT CENTER CONSOLE ARMREST HEATING ELEMENT FRONT CENTER CONSOLE HAND REST HEATING ELEMENT FUSE 203 FUSE 301 FUSE 302 FUSE 406 FUSE 425 GRY WIRE GRY/RED WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES HZ MIKO H HZ MIKO V LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ARMREST HEATING ELEMENT LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT ARMREST HEATING ELEMENT TEMPERATURE SENSOR NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR CENTER CONSOLE ARMREST HEATING ELEMENT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT RED WIRE RED/BRN WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ARMREST HEATING ELEMENT RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT ARMREST HEATING ELEMENT TEMPERATURE SENSOR SEDAN TEMPERATURE SENSOR TMP MIKO H TMP MIKO V WHT WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COUPE COUPE, SEDAN FUSE 313 GRN WIRE GRN/RED WIRE GRN/VIO WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN MULTI-FUNCTION SENSOR ORG/BLK WIRE ORG/WHT WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT REAR SUN SENSOR RED WIRE RED/VIO WIRE RED/WHT WIRE SEDAN SIG VIO/BRN WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE COUPE CONVERTIBLE DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 301 FUSE 302 FUSE 406 FUSE 417 FUSE 476 GRN/WHT WIRE GRY/BLK WIRE GRY/RED WIRE H/L HOT AT ALL TIMES HR - LEFT LUGGAGE COMPARTMENT LAMP LEFT REAR DOOR AMBIANCE ILLUMINATION NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR WARNING LAMP RIGHT LUGGAGE COMPARTMENT LAMP RIGHT REAR DOOR AMBIANCE ILLUMINATION SEDAN SEDAN COUPE CONVERTIBLE W/ REAR SEAT HEATERS W/O REAR SEAT HEATERS SIG SIG HD TRUNK LID EXTERNAL OPERATION SWITCH TRUNK LID RELEASE BUTTON WHT WIRE YEL WIRE

4.0L TURBO AIRMATIC CONTROL UNIT ALARM SIREN (W/ INTERIOR PROTECTION), LEFT SOFT TOP 'LOCKED' LIMIT SWITCH, ARMREST HEATER CONTROL UNIT, HERMES CONTROL UNIT BRN WIRE CENTER STOP LAMP (SEDAN, COUPE) CLIMATE CONTROL UNIT, AC HOUSING CYLINDERS 5+6 IGNITION COIL, CYLINDERS 7+8 IGNITION COIL FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION (COUPE, CONVERTIBLE), LEFT ENGINE HOOD CONTACT SWITCH (COUPE, CONVERTIBLE), MIRROR TAXIMETER, LEFT FRONT ILLUMINATED DOOR SILL MOLDING LEFT REAR ILLUMINATED DOOR SILL MOLDING (COUPE, CONVERTIBLE) , ME-SFI (ME) CONTROL UNIT, CYLINDER 1+2 IGNITION COIL, CYLINDER 3+4 IGNITION COIL PANORAMIC ROOF ROLLER SUN BLIND CONTROL MODULE (COUPE, CONVERTIBLE), REAR SAM CONTROL UNIT RIGHT FRONT BRAKE WEAR SENSOR (SEDAN), RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR (CONVERTIBLE), ROTATING BEACON ELECTRICAL CONNECTOR, LEFT FLASHING LIGHT, RIGHT FLASHING LIGHT, SHORT, LONG-RANGE RADAR SENSOR (W/ DRIVER ASSISTANCE PACKAGE), SPECIAL SIGNAL SYSTEM OPERATING UNIT, GUARD OPERATING UNIT, TIRE PRESSURE MONITOR CONTROL UNIT (COUPE, CONVERTIBLE),

BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM COUPE COUPE CONVERTIBLE COUPE CONVERTIBLE, SEDAN DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 209 FUSE 302 FUSE 47 FUSE 474 HEATED REAR WINDOW RELAY HOT AT ALL TIMES HR - LEFT FRONT DOOR CONTROL MODULE LEFT OUTSIDE MIRROR MIRROR HEATER NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR PREFUSE BOX REAR SAM CONTROL UNIT REAR WINDOW HEATER REAR WINDOW HEATER BUTTON RED WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT OUTSIDE MIRROR SEDAN COUPE, CONVERTIBLE VIO WIRE WHT WIRE

AMBIANCE ILLUMINATION CONTROL UNIT BLK/RED WIRE BRN WIRE BRN/BLU WIRE CIGARETTE LIGHTER W/ REAR CENTER CONSOLE ILLUMINATION COUPE CONVERTIBLE COUPE CONVERTIBLE, SEDAN FROM REAR PREFUSE BOX (DIAGRAM 5 OF 7) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 406 FUSE 407 FUSE 408 FUSE 411 FUSE 417 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 459 FUSE 466 GRY/BLU WIRE HEATED REAR WINDOW RELAY HEATING ELEMENT ILLUMINATION LUGGAGE COMPARTMENT SOCKET MULTICONTOUR SEAT PNEUMATIC PUMP N/A NCA WIRE PNK/RED WIRE REAR BACKREST REFRIGERATOR BOX REAR CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION REAR CONTROL UNIT REAR CUP HOLDER REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/WHT WIRE RESERVE FUSE 410 RESERVE FUSE 460 RESERVE FUSE 465 RIGHT REAR DOOR CONTROL UNIT SEDAN SUBWOOFER AMPLIFIER TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 7) TO FUSE 477 (DIAGRAM 4 OF 7) VEHICLE INTERIOR TERMINAL 15 RELAY 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

AIRSCARF CONTROL UNIT ARMREST HEATER CONTROL UNIT BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 452 HOT AT ALL TIMES LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR CONTROL UNIT LEFT REAR HEATED SEAT SWITCH LEFT REAR SEAT ADJUSTMENT SWITCH GROUP LEFT REAR SEAT HEATER SWITCH LEFT REAR SEAT SITTING SURFACE HEATED CUSHION ORG/ WIRE ORG/WHT WIRE REAR CONTROL UNIT (COUPE, CONVERTIBLE) (LEFT FRONT OF LUGGAGE COMPT) REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR HEATED SEAT SWITCH RIGHT REAR SEAT ADJUSTMENT SWITCH GROUP RIGHT REAR SEAT HEATER SWITCH RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SEDAN SEDAN, COUPE UB (+) VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BLK/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN-B H AAG CENTER REAR SEAT BELT BUCKLE SWITCH COMPUTER DATA LINES SYSTEM FUSE 312 FUSE 477 GRN/GRY WIRE GRN/RED WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT ACTIVE ENGINE HOOD SQUIB LEFT REAR SEAT BELT BUCKLE SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/VIO WIRE RED/WHT WIRE RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT FRONTAL ACCELERATION SENSOR RIGHT REAR DOOR PRESSURE SENSOR RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT SIDEBAG SENSOR SEDAN SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (NEAR SHIFT LEVER) VIO/GRN WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE