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Home >> Mercedes Benz >> 2011 >> C63 >> Repair and Diagnosis >> Body & Frame >> Seats >> Seats, Restraint Systems -- OEM Wiring Diagrams -- C63/C350 (204) >> Wiring Diagrams >> Electrical function schematic for lumbar support adjustment - PE91.29-P-2051-97FAA

Electrical function schematic for lumbar support adjustment - PE91.29-P-2051-97FAA

Code: Designation: Position:
1 On-board electrical system limp-home mode, signal 7E
2 Power supply, status ON 12E
3 Lumbar support adjustment switch, request 14E
4 Lumbar support pneumatic pump, actuation 14H
CAN B Interior CAN 5F
M25/4 Driver seat lumbar support pneumatic pump 13J
M25/5 Front passenger seat lumbar support pneumatic pump 13J
N10/2 Rear SAM control unit with fuse and relay module 2E
N32/1 Driver seat control unit 9D
N32/2 Front passenger seat control unit 9E
N32/23 Driver seat lumbar support adjustment control unit 13F
N32/24 Front passenger seat lumbar support adjustment control unit 13F
S109/2 Driver seat lumbar support adjustment switch 13C
S109/3 Front passenger seat lumbar support adjustment switch 13D
Fig 1: Lumbar Support Adjustment - Electrical Function Schematic
G07532475Courtesy of MERCEDES-BENZ USA