Mercedes-Benz S-class W221 (2005-2009) Driver"s memory seat circuit

1 2 3 4 5 6 30 CAN-B L 31 CAN-B H 3 6 CAN-A L CAN-A H BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FRONT CENTRAL OPERATING UNIT LEFT FRONT SEAT MASSAGE CUSHION VALVE GROUP LOWER MASSAGE ROW 1 PIEZO VALVE LOWER MASSAGE ROW 2 PIEZO VALVE LOWER MASSAGE ROW 3 PIEZO VALVE LOWER MASSAGE ROW 4 PIEZO VALVE LOWER MASSAGE ROW 5 PIEZO VALVE LOWER MASSAGE ROW 6 PIEZO VALVE NCA WIRE ORG/GRN WIRE ORG/WHT WIRE RED/WHT WIRE UPPER MASSAGE ROW PIEZO VALVE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE UB 31 DATA 1 2 CAN B L CAN B H 12 11 16 15 CAN-F L CAN-F H CAN-B L CAN-B H 16 15 CAN-B L CAN-B H 26 25 CAN-B L CAN-B H BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL GATEWAY CONTROL MODULE CENTRAL LUMBAR CUSHION PIEZO VALVE CENTRAL LUMBAR CUSHION PRESSURE SENSOR COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE LEFT BACKREST LATERAL SUPPORT CUSHION PIEZO VALVE LEFT BACKREST LATERAL SUPPORT CUSHION PRESSURE SENSOR LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT SEAT BACKREST CUSHION VALVE GROUP LEFT FRONT SEAT OPERATION SWITCH GROUP LOWER LUMBAR CUSHION PIEZO VALVE LOWER LUMBAR CUSHION PRESSURE SENSOR MEMORY 1, 2, 3 SWITCH MEMORY STORE BUTTON SWITCH NCA WIRE ORG/GRN WIRE ORG/WHT WIRE RED/WHT WIRE RIGHT BACKREST LATERAL SUPPORT CUSHION PIEZO VALVE (W/ DYNAMIC SEAT) RIGHT BACKREST LATERAL SUPPORT CUSHION PRESSURE SENSOR (W/ DYNAMIC SEAT) SHOULDER SHOULDER CUSHION CUSHION PRESSURE PIEZO SENSOR VALVE UPPER LUMBAR CUSHION PIEZO VALVE UPPER LUMBAR CUSHION PRESSURE SENSOR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER LUMBAR SUPPORT REGULATOR CONTROL UNIT (IF EQUIPPED) FUSE 92 PANEL FUSE BOX GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT BACKREST ANGLE ADJUSTMENT MOTOR LEFT FRONT HEAD RESTRAINT MOTOR LEFT FRONT SEAT CONTROL MODULE LEFT FRONT SEAT CUSHION FORE/AFT MOTOR LEFT FRONT SEAT CUSHION INCLINATION MOTOR LEFT FRONT SEAT FORE/AFT ADJUSTMENT MOTOR LEFT FRONT SEAT HEIGHT ADJUSTMENT MOTOR LEFT INSTRUMENT ORG/ WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM WHT WIRE YEL WIRE YEL/RED WIRE

4 2 3 1 CAN-B H CAN-B L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L COMAND CONTROL UNIT COMAND DISPLAY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM W/ MULTICONTOUR SEAT, DYNAMIC SEAT EARLY PRODUCTION GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE LATE PRODUCTION LEFT FRONT SEAT CONTROL MODULE LEFT REAR FOOTWELL LAMP LUMBAR PUMP (W/ LUMBAR SUPPORT) NCA WIRE ORG/ WIRE ORG/WHT WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SEATS SEATS SYSTEM SYSTEM SEATS SYSTEM W/ LUMBAR SUPPORT