POWER SEATS – Mercedes-Benz S550 2009 – SYSTEM WIRING DIAGRAMS

POWER SEATS

Front Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2009

List of elements for Front Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2009:

29

• Can-b h
• Can-b l
• Computer data lines system
• Data
• Flat wire
• Fuse 40a
• Heated seat switch
• Hot at all times
• Left front backrest heated cushion
• Left front door control module
• Left front seat backrest ventilation motor group (if equipped)
• Left front seat control module
• Left front seat cushion ventilation motor group
• Left front seat heated cushion
• Left front seat operation switch group
• Left front seat ventilation blower regulator (if equipped)
• Left instrument panel fuse box (under left side dash cover)
• Red
• Right front backrest heated cushion
• Right front door control module (in right front door)
• Right front seat backrest ventilation motor group (if equipped)
• Right front seat control module
• Right front seat cushion ventilation motor group
• Right front seat heated cushion
• Right front seat operation switch group
• Right front seat ventilation blower regulator (if equipped)
• Seat ventilation switch
• W18 (under left front seat)
• W19 (under right front seat)

Heated Steering Wheel Wiring Diagram, Early Production for Mercedes-Benz S550 2009

List of elements for Heated Steering Wheel Wiring Diagram, Early Production for Mercedes-Benz S550 2009:

20

• (w/ esc) steering column adjustment switch (w/ steering wheel heater) steering column adjustment/ steering wheel heater switch
• Can-e h
• Can-e l
• Computer data lines system
• Fanfare horns & air bag clock spring contact
• Front sam control module fuse & relay module
• Fuse 10a
• Gnd
• Heater coil
• Heater coil temperature sensor
• Heater ind
• Heater switch
• Hot at all times
• Nca
• Ntc
• Red
• Steering column module (top of steering column)
• Steering wheel heater
• Steering wheel heater electronics
• W34 (left front footwell)

Heated Steering Wheel Wiring Diagram, Late Production for Mercedes-Benz S550 2009

List of elements for Heated Steering Wheel Wiring Diagram, Late Production for Mercedes-Benz S550 2009:

24

• (w/ esc) steering column adjustment switch (w/ steering wheel heater) steering column adjustment/ steering wheel heater switch
• Can-e h
• Can-e l
• Computer data lines system
• Fanfare horns & air bag clock spring contact
• Front sam control module fuse & relay module
• Fuse 10a
• Gnd
• Heater coil
• Heater coil temperature sensor
• Heater ind
• Heater switch
• Hot at all times
• Lin
• Lrh+
• Lrh-
• Ntc+
• Ntc-
• Red
• Steering column adjustment raise/ lower, forward/ back switch
• Steering column module (top of steering column)
• Steering wheel electronics
• Steering wheel heater
• W34 (left front footwell)

Rear Multicontour Backrest Wiring Diagram for Mercedes-Benz S550 2009

List of elements for Rear Multicontour Backrest Wiring Diagram for Mercedes-Benz S550 2009:

11

• (left rear footwell) w17/1
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 7.5a
• Hot at all times
• Left instrument panel fuse box (under left side dash cover)
• Left rear multicontour backrest connector
• Left rear multicontour backrest control module
• Right rear multicontour backrest connector
• Right rear multicontour backrest control module

Rear Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2009

List of elements for Rear Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2009:

31

• (+)
• (right front trunk) w54
• C143
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Flat wire
• Fuse 25a
• Heated seat switch
• Hot at all times
• Left rear backrest heated cushion (w/ seat heaters)
• Left rear door control module
• 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
• Rear sam control module w/ fuse & relay module
• Rear seats control module
• Red
• 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
• Sibl
• W54 (right front trunk)

Weight Sensing System Wiring Diagram for Mercedes-Benz S550 2009

List of elements for Weight Sensing System Wiring Diagram for Mercedes-Benz S550 2009:

14

• (+)
• (-)
• Belt tension sensor
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 7.5a
• Hot at all times
• Left instrument panel fuse box (under left side dash cover)
• Nca
• Seat occupied recognition pressure sensor
• Sig
• W26 (under front of center console)
• Weight sensing system (wss) control unit