Mercedes-Benz E-class W211/S211 (2002-2006) driver front seat adjustment control module (below left front seat) Wiring diagrams

- LUMBAR SUPPORT ADJUSTMENT SWITCH - SEAT CUSHION FORE SWITCH 2 1 3 4 - SIDE BOLSTERS ADJUSTMENT SWITCH 1 2 3 4 5 6 3 1 2 3 4 5 6 4 1 2 3 4 5 6 HH (-) HH (+) 1 2 3 4 5 6 CAN-B L CAN-B H 1 2 3 4 CAN-B L CAN-B H 2 3 4 LK (+) 3 4 2 1 - PULSE SWITCH 31 CAN-B L CAN-B H 30 5 1 LK (-) BACKREST ADJUSTMENT MOTOR (FORE/AFT) BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) DYNAMIC DYNAMIC SWITCH FRONT SEAT ADJUSTMENT MOTOR (FORE) FRONT SEAT ADJUSTMENT MOTOR (RAISE/LOWER) FUSE 33 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD RESTRAINT ADJUSTMENT MOTOR (RAISE/LOWER) HOT AT ALL TIMES HOT WITH CIRCUIT HV+ HV- INTERIOR FUSE BOX (LEFT END OF DASH) INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 34 LEFT FRONT DOOR CONTROL MODULE (LEFT FRONT DOOR) LEFT FRONT DYNAMIC SEAT CONTROL MODULE (LEFT FRONT SEAT) LEFT FRONT DYNAMIC SWITCH LEFT FRONT SEAT ADJUST MOTOR GROUP LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LV (-) LV (+) MEMORY LOCATION 1, 2, 3 SWITCH MEMORY STORE BUTTON SWITCH MHV (+) MHV (-) ML/K MLV (+) MLV (-) POWER STEERING COLUMN CIRCUIT REAR SEAT ADJUSTMENT MOTOR (RAISE/LOWER) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

- LUMBAR SUPPORT ADJUSTMENT SWITCH - SEAT CUSHION FORE SWITCH 2 1 3 4 - SIDE BOLSTERS ADJUSTMENT SWITCH 1 2 3 4 5 6 3 1 2 3 4 5 6 4 1 2 3 4 5 6 HH (-) HH (+) 1 2 3 4 5 6 CAN-B L CAN-B H 1 2 3 4 CAN-B L CAN-B H 2 3 4 LK (+) 3 4 2 1 - PULSE SWITCH 31 CAN-B L CAN-B H 30 5 1 LK (-) BACKREST ADJUSTMENT MOTOR (FORE/AFT) BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) DYNAMIC DYNAMIC SWITCH FRONT SEAT ADJUSTMENT MOTOR (FORE) FRONT SEAT ADJUSTMENT MOTOR (RAISE/LOWER) FUSE 33 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD RESTRAINT ADJUSTMENT MOTOR (RAISE/LOWER) HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 34 HOT WITH CIRCUIT HV+ HV- INTERIOR FUSE BOX (LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE (LEFT FRONT DOOR) LEFT FRONT DYNAMIC SEAT CONTROL MODULE (LEFT FRONT SEAT) LEFT FRONT DYNAMIC SWITCH LEFT FRONT SEAT ADJUST MOTOR GROUP LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LV (-) LV (+) MEMORY LOCATION 1, 2, 3 SWITCH MEMORY STORE BUTTON SWITCH MHV (+) MHV (-) ML/K MLV (+) MLV (-) POWER STEERING COLUMN CIRCUIT REAR SEAT ADJUSTMENT MOTOR (RAISE/LOWER) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

1 2 1 CAN-B H CAN-B L 1 2 10 CAN-B H CAN-B L 1 2 11 CAN-B H CAN-B L 1 2 2 CAN-B H CAN-B L 1 2 3 CAN-B H CAN-B L 1 2 4 CAN-B H CAN-B L 1 2 5 CAN-B H CAN-B L 1 2 6 7 1 2 8 CAN-B H CAN-B L 1 2 6 CAN-B H CAN-B L 1 2 7 CAN-B H CAN-B L 1 2 8 2 1 3 CAN-B H CAN-B L 1 2 9 10 1 2 11 CAN-B H CAN-B L 1 2 9 CAN-B H CAN-B L 10 9 8 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 14 13 1 7 5 1 CAN-B H CAN-B L 2 1 1 CAN-B H CAN-B L 2 1 2 2 1 CAN-B H CAN-B L 2 1 5 CAN-B H CAN-B L 2 1 9 CAN-B H CAN-B L 2004 EARLY PROD 2004 EARLY PROD 2004 LATE PROD AND 2005 2004 LATE PROD AND 2005 14 13 1 7 5 1 CAN-B H CAN-B L 3 4 CAN B H CAN B L 4 2 CAN-B L CAN-B H 4 3 1 CAN-B H CAN-B L 6 5 1 CAN-B H CAN-B L 8 4 CAN-B H CAN-B L AUDIO GATEWAY CONTROL MODULE (LEFT SIDE OF TRUNK) BATTERY CONTROL MODULE (RIGHT SIDE OF TRUNK) BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CAN-B H CAN-B L CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT FOOTWELL) COCKPIT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (RIGHT FRONT FOOTWELL) DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) DRIVER SIDE SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT REAR OF ENG COMPT) HS, SEAT VENTILATION CONTROL (LEFT FRONT DOOR SILL) LEFT FRONT DOOR CONTROL MODULE (LEFT FRONT DOOR) LEFT REAR DOOR CONTROL MODULE (LEFT REAR DOOR) LEFT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (LEFT FRONT DOOR SILL) LOWER CONTROL FIELD CONTROL MODULE (UNDER CENTER CONSOLE) PASSENGER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW RIGHT FRONT SEAT) PASSENGER SIDE SAM CONTROL MODULE (UNDER RIGHT SIDE OF DASH) PTS CONTROL MODULE (LEFT REAR OF TRUNK) REAR SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RESTRAINT SYSTEM CONTROL MODULE (CENTER CONTROL MODULE) RIGHT FRONT DOOR CONTROL MODULE (RIGHT FRONT DOOR) RIGHT REAR DOOR CONTROL MODULE (RIGHT REAR DOOR) RIGHT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (RIGHT FRONT FOOTWELL) UPPER CONTROL FIELD CONTROL MODULE (BEHIND CENTER OF DASH) WSS CONTROL UNIT (WEIGHT SENSING SYSTEM) (UNDER RIGHT FRONT SEAT)

BLU WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H CAN-C H CAN-C L CAN-B L CAN-B H COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) DRIVER SIDE SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT REAR OF ENG COMPT) ELECTRONIC STEERING COLUMN (ESC) ADJUSTMENT MOTOR GROUP GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEIGHT ADJUSTMENT UP/DOWN MOTOR HOT AT ALL TIMES HOT WITH CIRCUIT INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 34 LONGITUDINAL ADJUSTMENT FORWARD/ BACKWARD MOTOR RAISE/LOWER, FORWARD/BACKWARD SWITCH RED/YEL WIRE STEERING COLUMN MODULE (IN STEERING WHEEL) YEL/BLK WIRE YEL/BLU WIRE

BLU WIRE BRN WIRE BRN/RED WIRE CAN B L CAN-B H 30 CAN-C H CAN-C L CAN-B L CAN-B H COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) ELECTRONIC STEERING COLUMN (ESC) ADJUSTMENT MOTOR GROUP FUSE 29 GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEIGHT ADJUSTMENT UP/DOWN MOTOR HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 34 HOT WITH CIRCUIT LONGITUDINAL ADJUSTMENT FORWARD/ BACKWARD MOTOR RAISE/LOWER, FORWARD/BACKWARD SWITCH RED/YEL WIRE STEERING COLUMN MODULE (IN STEERING WHEEL) YEL/BLK WIRE YEL/BLU WIRE