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Home >> Mercedes Benz >> 2007 >> R320 >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 251 Chassis - 2 Of 2 >> Wiring Diagrams >> Lumbar support wiring diagram >> Lumbar support wiring diagram - PE91.29-P-2109-97RAA

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

Code Designation Position
A0 Color code key 23L
F4 Load compartment fuse and relay box 3L
F4f63 Fuse 63 2L
M25/4 Driver lumbar support pump 14L
M25/4 Driver lumbar support pump 9L
M25/4x1 Driver seat lumbar support pneumatic pump electrical connector 9J
N32/1 Driver front seat adjustment control unit with memory 12L
N32/23 Driver lumbar support regulator control unit 13A
S109/2 Driver lumbar support adjustment switch 16L
U12 Valid for left-hand drive vehicles 5H
U13 Valid for right-hand drive vehicles 6H
U63 Valid for seat adjustment without memory 1D
U71 Valid for seat adjustment with memory 10D
W15/1 Ground (right footwell) 8L
W15/2 Ground (left footwell) 5L
X55/3 Left front seat contacting strip 1H
Z204/4 Circuit 31 right footwell voltage distributor connector 7L
Z6/94 Driver seat circuit 31 connector sleeve 6E
Z61/18 Driver seat circuit 15R connector sleeve 1E
Fig 1: Lumbar Support Wiring Diagram (1 Of 2)
G10123136Courtesy of MERCEDES-BENZ USA
Fig 2: Lumbar Support Wiring Diagram (2 Of 2)
G10123137Courtesy of MERCEDES-BENZ USA