Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) (in left front seat back) Wiring diagrams

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH CRUISE CONTROL LEVER DRIVER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT (IN DRIVER SEAT BACK) DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON DYNAMIC BUTTON END END END GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE RESUME FROM MEMORY SWITCH SEAT CUSHION LENGTH BUTTON SEAT DYNAMIC CUSHION BUTTON LENGTH BUTTON SIG SIG SIG SIG SIG SIG STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) YEL WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH DRIVER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT (IN DRIVER SEAT BACK) DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON END END GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE SEAT DYNAMIC CUSHION BUTTON LENGTH BUTTON SIG SIG SIG SIG SIG STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) YEL WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH DRIVER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT (IN DRIVER SEAT BACK) DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON END END GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE SEAT DYNAMIC CUSHION BUTTON LENGTH BUTTON SIG SIG SIG SIG SIG STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) YEL WIRE YEL/BLU WIRE

3 2 LIN 1 31 BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE COUPE, CONVERTIBLE SEDAN, WAGON DRIVER SEAT CONNECTOR BLOCK FRONT PASSENGER SEAT CONNECTOR BLOCK FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 18 FUSE 78 FUSE 82 GRN/RED (OR GRN/BLK) WIRE GRN/RED WIRE GRN/YEL (OR GRN/BLK) WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST HEATED CUSHION LEFT FRONT HEATED SEAT BUTTON LEFT FRONT SEAT BACKREST LEFT FRONT SEAT BACKREST VENTILATION MOTOR GROUP LEFT FRONT SEAT CUSHION LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTOR GROUP LEFT FRONT SEAT SITTING SURFACE HEATED CUSHION LEFT FRONT SEAT VENTILATION BLOWER REGULATOR LEFT FRONT SEAT VENTILATION BLOWER REGULATOR (IN LEFT FRONT SEAT BACK) LEFT FRONT SEAT VENTILATION BUTTON LIN 1 NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BACKREST HEATED CUSHION RIGHT FRONT HEATED SEAT BUTTON RIGHT FRONT HEATED SEAT BUTTON UPPER CONTROL PANEL CONTROL UNIT RIGHT FRONT SEAT BACKREST RIGHT FRONT SEAT BACKREST VENTILATION MOTOR GROUP RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTOR GROUP RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR (IN RIGHT FRONT SEAT BACK) RIGHT FRONT SEAT VENTILATION BUTTON SEAT VENTILATION MOTOR GROUP SEDAN WAGON SEDAN, WAGON COUPE, CONVERTIBLE SIG UPPER CONTROL PANEL CONTROL UNIT VENTILATION MOTOR GROUP

1 2 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 2 1 CAN-B H CAN-B L 2 1 W/ PANORAMIC SLIDING ROOF 2 3 CAN-B H CAN-B L 3 1 2 31 CAN-B H CAN-B L 3 12 CAN-B H CAN-B L 4 2 CAN-B H CAN-B L 6 5 CAN-A H CAN-A L 7 5 CAN-B H CAN-B L 7 6 CAN-B H CAN-B L 9 11 CAN-B L CAN-B H BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN E H CAN E L COMAND CONTROL UNIT (IF EQUIPPED) COMMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT DYNAMIC MULTICONTOUR SEAT PNEUMATIC PUMP FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRN WIRE GRN/WHT WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT LEFT REAR DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL MODULE (CENTER FRONT OF ROOF) PNK/GRN WIRE RADIO (W/ AUDIO 20 RADIO) RADIO (W/ AUDIO 20 RADIO) RADIO W/ AUTO PILOT SYSTEM (W/ AUDIO 50) RADIO W/ AUTO PILOT SYSTEM TAILGATE CONTROL UNIT (WAGON) TRUNK LID CONTROL UNIT TAILGATE CONTROL UNIT (WAGON) TRUNK LID CONTROL UNIT (SEDAN) W/ AUDIO 20 RADIO, RADIO 50 W/ MEMORY W/O AUDIO 20 RADIO, RADIO 50 W/O MEMORY WAGON