POWER SEATS – Mercedes-Benz GL450 2012 – SYSTEM WIRING DIAGRAMS

POWER SEATS

Heated Steering Wheel Wiring Diagram for Mercedes-Benz GL450 2012

List of elements for Heated Steering Wheel Wiring Diagram for Mercedes-Benz GL450 2012:

27

• 13a
• Adjustment/steering wheel heater switch
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Cockpit fuse box (behind right end of dash)
• Coil
• Computer data lines system
• Fanfare horns & air bag clock spring contact (top of steering column)
• Fuse 10a
• Fuse 5a
• Heater
• Heater coil temp sens
• Hot at all times
• Hs (sih), seat ventilation & steering wheel heater control unit (under left seat of 2nd row)
• Lhz
• Load compartment fuse & relay box (right side of cargo area)
• Red
• Steering column module (behind steering wheel)
• Steering column steering wheel heater switch
• Steering wheel heater
• Steering wheel heater function ind lamp
• Steering wheel heater/horn electronics
• W/ steering wheel heater
• W29/2 (behind right kick panel)
• X18-c2

Lumbar Wiring Diagram for Mercedes-Benz GL450 2012

List of elements for Lumbar Wiring Diagram for Mercedes-Benz GL450 2012:

12

• Driver lumbar support adjustment switch
• Driver lumbar support pump
• Driver lumbar support regulator control unit
• Front passenger lumbar support adjustment switch
• Front passenger lumbar support pump
• Front passenger lumbar support regulator control unit
• Fuse 30a
• Hot w/ socket circuit 15r relay (w/ run-on) energized
• Load compartment fuse & relay box (right side of cargo area)
• Red
• W15/2 (left front footwell)
• X55/4-c1

Power Seat Wiring Diagram for Mercedes-Benz GL450 2012

List of elements for Power Seat Wiring Diagram for Mercedes-Benz GL450 2012:

23

• (right front footwell) w15/1
• Backrest switch
• Circuit 31 right footwell voltage distributor connector
• Driver backrest angle adjustment motor (in driver front seat back)
• Driver front seat height adjustment motor (under driver front seat)
• Driver rear seat height adjustment motor (under driver front seat)
• Driver seat adjustment switch
• Driver seat fore/aft adjustment motor (under driver front seat)
• Front passenger backrest angle adjustment motor (in front passenger's front seat back)
• Front passenger front seat height adjustment motor (under front passenger's front seat)
• Front passenger rear seat height adjustment motor (under front passenger's front seat)
• Front passenger seat adjustment switch
• Front passenger seat fore/aft adjustment motor (under front passenger's front seat)
• Front seat raise/ lower switch
• Fuse 30a
• Hot w/ socket circuit 15r relay (w/ run-on) energized
• Load compartment fuse & relay box (right side of cargo area)
• Rear seat raise/ lower switch
• Seat forc/aft switch
• W15/2 (left front footwell)
• X54/31
• X54/32
• X55/4-c1

Rear Folding Seat Wiring Diagram for Mercedes-Benz GL450 2012

List of elements for Rear Folding Seat Wiring Diagram for Mercedes-Benz GL450 2012:

19

• +5v
• Can-b h
• Can-b l
• Computer data lines system
• Folding rear bench seat control unit (under left seat of 2nd row)
• Front switch for left folding backrest
• Front switch for right folding backrest
• Fuse 40a
• Hot at all times
• Left backrest release unit (inside left backrest of 3rd row seats)
• Left folding backrest motor (under left 3rd row seat)
• Load compartment fuse & relay box (right side of cargo area)
• Rear switch for left folding backrest
• Rear switch for right folding backrest
• Right backrest release unit (inside right backrest of 3rd row seats)
• Right folding backrest motor (under right 3rd row seat)
• W17/1 (under left seat of 2nd row)
• X55/21-c2
• X55/22-c2

Seat Ventilation Wiring Diagram (1 of 2) for Mercedes-Benz GL450 2012

List of elements for Seat Ventilation Wiring Diagram (1 of 2) for Mercedes-Benz GL450 2012:

38

• (behind steering wheel) steering column module
• (left front footwell) w15/2
• 4a1
• 4a2
• Can-b h
• Can-b l
• Circuit 31 left footwell voltage distributor connector 1
• Computer data lines system
• Fuse 10a
• Fuse 25a
• Hot at all times
• Hs (sih), seat ventilation & steering wheel heater control unit (under left seat of 2nd row)
• Left front backrest heated cushion
• Left front hs (sih) switch
• Left front seat backrest ventilation motor group (in driver's seat back)
• Left front seat contacting strip
• Left front seat cushion ventilation motor group (in left front seat cushion)
• Left front seat heated cushion
• Left front seat ventilation blower regulator (inside left front seat back)
• Left front seat ventilation switch
• Lhz
• Load compartment fuse & relay box (right side of cargo area)
• Ms3
• Nca
• Pnk
• Red
• Right front hs (sih) switch
• Right front seat backrest ventilation motor group (in front passenger's seat back)
• Right front seat cushion ventilation motor group (in right front seat cushion)
• Right front seat ventilation blower regulator (in right front seat back)
• Right front seat ventilation switch
• Sig
• Upper control panel control module
• W/ steering wheel heater
• W17/1 (under left seat of 2nd row)
• X18-c2
• X55/3-c4c
• X55/4-c4c

Seat Ventilation Wiring Diagram (2 of 2) for Mercedes-Benz GL450 2012

List of elements for Seat Ventilation Wiring Diagram (2 of 2) for Mercedes-Benz GL450 2012:

22

• (under left seat of 2nd seat row) w17/1
• 4a1
• 4a2
• Circuit 31 right
• Distributor connector
• Footwell voltage
• Front sam control unit (under front passenger's seat)
• Heated cushion
• Left second row backrest heated cushion
• Left second row seat heated cushion
• Right front backrest
• Right front seat
• Right front seat contacting strip
• Right second row backrest heated cushion
• Right second row seat heated cushion
• Sil
• Sir
• W15/1 (right front footwell)
• X55/23
• X55/24
• X55/5-c5
• X55/6-c5