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Home >> Mercedes Benz >> 2008 >> S450 >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats, Bunks, Restraint Systems - 221 Chassis - 3 Of 4 >> Wiring Diagrams >> Electrical function diagram for dynamic seat (FDS) - PE91.25-U-2050-97SAA

Electrical function diagram for dynamic seat (FDS) - PE91.25-U-2050-97SAA

Code: Designation: Position:
A40/3 COMAND control unit 5B
A40/8 COMAND display 4H
A40/9 Front central operating unit 2E
A40/9s4 Multicontour seat quick select button 3D
B24/15 Yaw rate, lateral and longitudinal acceleration sensor 7J
LIN B1 Front door LIN  
LIN B1 Front door LIN  
M40 Multicontour seat pneumatic pump 30F
M40/1 Pneumatic pump for dynamic seat control 30E
N10/2 Rear SAM control unit with fuse and relay module 31A
N32/1 Left front seat control unit 19C
N32/15 Left front multicontour backrest control unit 16C
N32/16 Right front multicontour backrest control unit 16H
N32/19 Left front dynamic seat control unit 16C
N32/2 Right front seat control unit 19H
N32/22 Right front dynamic seat control unit 16H
N47-5 ESP control unit 8J
N69/1 Left front door control unit 22B
N69/2 Right front door control unit 22H
N93 Central gateway control unit 7F
S22 Left front seat operation switch group 27C
S22s6 Memory switch 27B
S22s7 Memory 1 switch 27B
S22s8 Memory 2 switch 27B
S22s9 Memory 3 switch 28B
S23 Right front seat operation switch group 27J
S23s6 Memory switch 27H
S23s7 Memory 1 switch 27H
S23s8 Memory 2 switch 27H
S23s9 Memory 3 switch 28H
U71 Valid for seat adjustment with memory 25A
U71 Valid for seat adjustment with memory 25G
U749 Valid for multicontour seat (MCS [MKS]) 29E
U749 Valid for multicontour seat (MCS [MKS]) 15C
U749 Valid for multicontour seat (MCS [MKS]) 15H
U750 Valid for dynamic seat (DS [FDS]) 29E
U750 Valid for dynamic seat (DS [FDS]) 6J
U750 Valid for dynamic seat (DS [FDS]) 15B
U750 Valid for dynamic seat (DS [FDS]) 15H
Y24/14y1 Lower massage row 1 piezo valve 13D
Y24/14y2 Lower massage row 2 piezo valve 13D
Y24/14y3 Lower massage row 3 piezo valve 13D
Y24/14y4 Lower massage row 4 piezo valve 13D
Y24/14y5 Lower massage row 5 piezo valve 13E
Y24/14y6 Lower massage row 6 piezo valve 13E
Y24/14y7 Upper massage row piezo valve 13E
Y24/15y1 Lower massage row 1 piezo valve 13J
Y24/15y2 Lower massage row 2 piezo valve 13J
Y24/15y3 Lower massage row 3 piezo valve 13K
Y24/15y4 Lower massage row 4 piezo valve 13K
Y24/15y5 Lower massage row 5 piezo valve 13K
Y24/15y6 Lower massage row 6 piezo valve 13K
Y24/15y7 Upper massage row piezo valve 13L
Y24/16b1 Left backrest lateral support cushion pressure sensor 10C
Y24/16b2 Right backrest lateral support cushion pressure sensor 12B
Y24/16b3 Shoulder cushion pressure sensor 10B
Y24/16b4 Upper lumbar cushion pressure sensor 12B
Y24/16b5 Central lumbar cushion pressure sensor 12C
Y24/16b6 Lower lumbar cushion pressure sensor 10D
Y24/16y1 Left backrest lateral support cushion piezo valve 10C
Y24/16y2 Right backrest lateral support cushion piezo valve 12B
Y24/16y3 Shoulder cushion piezo valve 10B
Y24/16y4 Upper lumbar cushion piezo valve 12B
Y24/16y5 Central lumbar cushion piezo valve 12C
Y24/16y6 Lower lumbar cushion piezo valve 10D
Y24/17b1 Left backrest lateral support cushion pressure sensor 10H
Y24/17b2 Right backrest lateral support cushion pressure sensor 12H
Y24/17b3 Shoulder cushion pressure sensor 10G
Y24/17b4 Upper lumbar cushion pressure sensor 12G
Y24/17b5 Central lumbar cushion pressure sensor 12H
Y24/17b6 Lower lumbar cushion pressure sensor 10J
Y24/17y1 Left backrest lateral support cushion piezo valve 10H
Y24/17y2 Right backrest lateral support cushion piezo valve 12H
Y24/17y3 Shoulder cushion piezo valve 10G
Y24/17y4 Upper lumbar cushion piezo valve 12G
Y24/17y5 Central lumbar cushion piezo valve 12J
Y24/17y6 Lower lumbar cushion piezo valve 10K
Fig 1: Dynamic Seat (FDS) - Electrical Function Diagram (1 Of 2)
G10129911Courtesy of MERCEDES-BENZ USA
Fig 2: Dynamic Seat (FDS) - Electrical Function Diagram (2 Of 2)
G10129912Courtesy of MERCEDES-BENZ USA