Mercedes-Benz S-class W221 facelift (2009-2013) rear seats control module (right side of trunk) Wiring diagrams

1 2 3 CAN-A L CAN-A H 31 1 2 3 CAN-B L CAN-B H 31 1 2 CAN B L CAN B H 1 2 CAN-A L CAN-A H 1 3 CB CAN-B L CAN-B H 12 3 CAN-B L CAN-B H 13 3 CAN-A L CAN-A H 15 14 CAN-B L CAN-B H 3 4 CAN-A L CAN-A H 3 6 CAN-A L CAN-A H 4 3 CAN B L CAN B H 4 8 CAN-A L CAN-A H 5 6 CAN-B L CAN-B H 7 9 CAN-B L CAN-B H 9 10 CAN-B L CAN-B H 9 18 CAN-B L CAN-B H BLK WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMAND CONTROL UNIT FRONT CENTRAL OPERATING UNIT GRN WIRE PNK/BRN WIRE PTS CONTROL MODULE (RIGHT SIDE TRUNK) RCP (HBF) CONTROL MODULE REAR AC CONTROL MODULE (IF EQUIPPED) REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT SEAT CONTROL MODULE RIGHT INTERIOR CAN/FFS (RBA) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) TELEMATICS CAN VOLTAGE DISTRIBUTOR CONNECTOR VOLTAGE DISTRIBUTOR CONNECTOR WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT (RIGHT FRONT SEAT) YEL WIRE

1 2 3 4 5 6 30 31 CAN-B H CAN-B L 1 2 3 4 5 6 7 8 MOT-L MOT-NV MOT-NV MOT-NV MOT-LV 1 2 CAN B L CAN B H 7 8 9 10 11 12 SIBL SIBL (+) (+) 9 10 11 12 13 14 MOT-NV MOT-NV MOT-LV MOT-NV MOT-LV BACKREST SWITCH BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FLAT WIRE FLAT WIRE FLAT WIRE 1 2 3 UB 31 DATA FORE/AFT ADJUSTMENT SWITCH FRONT (OR) REAR SEAT ADJUSTMENT SELECTION SWITCH FUSE 143 FUSE 144 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/YEL WIRE GRY/PNK WIRE HEAD RESTRAINT ADJUSTMENT SWITCH HOT AT ALL TIMES HS LV- HS LV- HS NV+ HS NV+ HS LV+ HS NV+ HS NV+ HS NV+ HS NV- HS NV- LEFT REAR DOOR CONTROL MODULE LEFT REAR HEAD RESTRAINT INCLINATION ADJUSTMENT MOTOR LEFT REAR SEAT CUSHION INCLINATION ADJUSTMENT MOTOR (UNDER LEFT REAR SEAT) LEFT REAR SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER LEFT REAR SEAT) LEFT REAR SEAT OPERATION SWITCH GROUP MOT-NV MOT-LV PNK/BLK WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/RED WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT REAR RIGHT REAR DOOR CONTROL MODULE RIGHT REAR HEAD RESTRAINT INCLINATION ADJUSTMENT MOTOR RIGHT REAR SEAT OPERATION SWITCH GROUP RIGHT SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER RIGHT REAR SEAT) SEAT CUSHION INCLINATION ADJUSTMENT MOTOR (UNDER RIGHT REAR SEAT) SEAT CUSHION INCLINATION SWITCH SEATS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE

BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN-B L CAN-B H DASH COVER) FUSE 102 FUSE 92 GK R GK L HOT AT ALL TIMES LEFT FRONT SEAT BELT COMFORT FEATURE SOLENOID (BASE OF LEFT "B" PILLAR) LEFT FRONT SEAT CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BOX (UNDER LEFT SIDE LEFT REAR SEAT BELT COMFORT FEATURE SOLENOID NCA WIRE ORG/ WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/WHT WIRE RIGHT FRONT SEAT BELT COMFORT SOLENOID RIGHT FRONT SEAT CONTROL MODULE RIGHT REAR FOOTWELL RIGHT REAR SEAT BELT BUCKLE/BELT COMFORT FEATURE RIGHT REAR SEAT BELT COMFORT FEATURE SOLENOID SWITCH (IN RIGHT REAR SEAT BELT BUCKLE) WHT WIRE

1 2 3 4 7 8 30 31 CAN-B H CAN-B L SIBL SIBL 1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE UB 31 DATA 1 2 CAN B L CAN B H 9 10 (+) (+) BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 143 MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) GRN/BLK WIRE GRY/PNK WIRE HEATED SEAT SWITCH HOT AT ALL TIMES LEFT REAR BACKREST HEATED CUSHION (W/ SEAT HEATERS) LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR SEAT BACKREST VENTILATION MOTOR GROUP LEFT REAR SEAT CUSHION VENTILATION MOTOR GROUP LEFT REAR SEAT HEATED CUSHION (W/ SEAT HEATERS) LEFT REAR SEAT OPERATION SWITCH GROUP LEFT REAR SEAT VENTILATION BLOWER REGULATOR (UNDER LEFT REAR SEAT) NCA WIRE PNK/BRN WIRE REAR SAM CONTROL REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/WHT WIRE RIGHT REAR BACKREST HEATED CUSHION (W/ SEAT HEATERS) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR SEAT BACKREST VENTILATION MOTOR GROUP RIGHT REAR SEAT CUSHION VENTILATION MOTOR GROUP RIGHT REAR SEAT HEATED CUSHION (W/ SEAT HEATERS) RIGHT REAR SEAT OPERATION SWITCH GROUP RIGHT REAR SEAT VENTILATION BLOWER REGULATOR SEAT VENTILATION SWITCH YEL WIRE YEL/RED WIRE