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Lumbar support wiring diagram - PE91.29-P-2109-97EAA

Code: Designation: Position:
A0 Color code key 32L
M25/4 Driver seat lumbar support pneumatic pump 3L
M25/4 Driver seat lumbar support pneumatic pump 9L
M25/4x1 Driver seat lumbar support pneumatic pump electrical connector 3J
M25/5 Front passenger seat lumbar support pneumatic pump 17L
M25/5 Front passenger seat lumbar support pneumatic pump 23L
M25/5x1 Front passenger seat lumbar support pneumatic pump electrical connector 22J
N10/2 Rear SAM control unit with fuse and relay module 13L
N10/2f44 Fuse 44 14L
N10/2f45 Fuse 45 12L
N32/1 Driver seat control unit 6L
N32/2 Front passenger seat control unit 20L
N32/23 Driver seat lumbar support adjustment control unit 5A
N32/24 Front passenger seat lumbar support adjustment control unit 21A
S109/2 Driver seat lumbar support adjustment switch 1L
S109/3 Front passenger seat lumbar support adjustment switch 24L
U12 Valid for left-hand drive vehicles 10H
U12 Valid for left-hand drive vehicles 16H
U13 Valid for right-hand drive vehicles 10H
U13 Valid for right-hand drive vehicles 16H
U63 Valid for seat adjustment without memory function 8D
U71 Valid for fully electric seat adjustment with memory function 3D
U71 Valid for fully electric seat adjustment with memory function 19D
W18 Left front seat crossmember ground point 16L
W18 Left front seat crossmember ground point 10L
W19 Right front seat crossmember ground point 16L
W19 Right front seat crossmember ground point 10L
X55/3 Driver seat connector block 10H
X55/4 Front passenger seat connector block 14H
Z6/94 Driver seat circuit 31 connector sleeve 10E
Z6/95 Front passenger seat circuit 31 connector sleeve 16E
Z61/18 Left seat circuit 15R connector sleeve 11E
Z61/19 Right seat circuit 15R connector sleeve 14E
Fig 1: Lumbar Support Wiring Diagram (1 Of 2)
G10082915Courtesy of MERCEDES-BENZ USA
Fig 2: Lumbar Support Wiring Diagram (2 Of 2)
G10082916Courtesy of MERCEDES-BENZ USA