SUPPLEMENTAL RESTRAINTS – Mercedes-Benz S550 4Matic 2012 – SYSTEM WIRING DIAGRAMS

SUPPLEMENTAL RESTRAINTS

Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz S550 4Matic 2012

List of elements for Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz S550 4Matic 2012:

• Can h
• Can l
• Computer data lines system
• Fuse 123 40a
• Fuse 124 40a
• Hot at all times
• Left front reversible emergency tensioning retractor (base of left "b" pillar)
• Rear sam control module w/ fuse & relay module (center front of trunk)
• Red
• Right front reversible emergency tensioning retractor (base of right "b" pillar)
• W18 (under left front seat)
• W19 (under right front seat)

Supplemental Restraint Wiring Diagram (1 of 2) for Mercedes-Benz S550 4Matic 2012

List of elements for Supplemental Restraint Wiring Diagram (1 of 2) for Mercedes-Benz S550 4Matic 2012:

• (+)
• (-)
• (center front of trunk) rear sam control module w/ fuse & relay module
• (except hybrid: top center rear of engine) (hybrid: right rear of engine compt) me-sfi (me) control unit
• (right rear engine compt) battery management system control unit
• (under front of center console) w26
• (under right front seat) weight sensing system (wss) control unit
• 15r
• Belt tension sensor (right front seat belt anchor assembly)
• C19
• C61
• C64
• Cak, bf
• Cak, fa
• Can b h
• Can b l
• Can h
• Can l
• Compt)
• Computer data lines system
• Crash
• Crash out
• Driver buckle etr squib (near base of driver seat belt buckle assembly)
• Ds, bf+
• Ds, fa+
• Ds, hl+
• Ds, hr+
• Except hybrid
• Front passenger buckle etr squib (near base of front passenger seat belt buckle assembly)
• Front sam control module w/ fuse & relay module (left rear engine
• Fuse 10a (or 7.5a)
• Fuse 7.5a
• Gss, bf
• Gss, fa
• Gst, bf+
• Gst, bf-
• Gst, fa+
• Gst, fa-
• Gus, hl+
• Gus, hl-
• Gus, hr+
• Gus, hr-
• Hot at all times
• Hot w/ circuit 15r relay energized
• Hybrid
• Left front side air bag squib (outer edge of left front seat back)
• Left instrument panel fuse box (under left side dash cover)
• Left rear etr squib (left "c" pillar)
• Left rear side air bag squib (left "c" pillar)
• Left rear window air bag squib (in left rear "c" pillar)
• Nca
• Pyrotechnical seperator (under right side of dash)
• Red
• Restraint systems control module (front of center console)
• Right front side air bag squib (outer edge of right front seat back)
• Right rear etr squib (right "c" pillar)
• Right rear side air bag squib (right "c" pillar)
• Right rear window air bag squib (in right rear "c" pillar)
• Sb, bf+
• Sb, bf-
• Sb, fa+
• Sb, fa-
• Sb, hl+
• Sb, hl-
• Sb, hr+
• Sb, hr-
• Seat occupied recognition pressure sensor
• Sig
• Ss, bf
• Ss-fa
• Ufs, bf
• W26 (under front of center console)
• Wb, rl+
• Wb, rl-
• Wb, vl+
• Wb, vl-
• X28/29
• X28/30

Supplemental Restraint Wiring Diagram (2 of 2) for Mercedes-Benz S550 4Matic 2012

List of elements for Supplemental Restraint Wiring Diagram (2 of 2) for Mercedes-Benz S550 4Matic 2012:

• (front of center console) restraint systems control module
• (in front passenger front seat head rest)
• (in steering wheel) driver air bag ignition squib 1
• (in steering wheel) driver air bag ignition squib 2
• (right side of dash) front passenger air bag squib 1
• (right side of dash) front passenger air bag squib 2
• (top of steering column) steering column module
• Ab1, bf+
• Ab1, bf-
• Ab1, fa+
• Ab1, fa-
• Ab2, bf+
• Ab2, bf-
• Ab2, fa+
• Ab2, fa-
• Air bag indicator & warning lamp
• Computer data lines system
• Driver assist air bag system (base of driver "b" pillar)
• Driver door pressure sensor (in driver door)
• Driver neck- pro head restraint solenoid (in driver front seat head rest) driver knee bag squib (if equipped) (under left side of dash)
• Driver seat belt buckle & seat belt warning switch (in driver seat belt buckle assembly) x28/29
• Driver's side frontal acceleration sensor (left front corner of engine compt)
• Driver's side rear door pressure sensor (in driver's side rear door)
• Emergency call system control unit (left front of trunk)
• Fanfare horn & air bag clock spring contact (top of steering column)
• Front passenger assist air bag system (base of front passenger "b" pillar)
• Front passenger door pressure sensor (in front passenger door)
• Front passenger neck-pro head restraint solenoid
• Front passenger seat belt buckle & seat belt warning switch (in front pass- enger seat belt buckle assembly) x28/30
• Instrument cluster
• Passenger side rear door pressure sensor (in passenger side rear door)
• Passenger's side frontal acceleration sensor (right front corner of engine compt)
• Pnk
• W26 (under front of center console)
• X150/1
• X150/2
• X28/24
• X28/29
• X28/30
• X35/1-c4
• X35/2-c4
• X35/3-c1
• X35/4-c1

Weight Sensing System Wiring Diagram for Mercedes-Benz S550 4Matic 2012

List of elements for Weight Sensing System Wiring Diagram for Mercedes-Benz S550 4Matic 2012:

• (+)
• (-)
• Belt tension sensor (right front seat belt anchor assembly)
• 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
• Power distribution system
• Seat occupied recognition pressure sensor
• Sig
• W26 (under front of center console)
• Wss (weight sensing system) control unit (under right front seat)
• X28/30