Wiring diagram for fully electric seat adjustment (ESA) - PE91.29-U-2004-99MAB

Code:	Designation:	Position:
F4	Load compartment fuse and relay box	18 A
F4f62	Fuse 62	19 A
F4f63	Fuse 63	17 A
M27/1	Seat fore/aft adjustment motor, driver	7 L
M27/2	Rear seat height adjustment motor, driver	3 L
M27/3	Front seat height adjustment motor, driver	5 L
M27/5	Backrest angle adjustment motor, driver	1 L
M28/1	Seat fore/aft adjustment motor, front passenger	30 L
M28/2	Rear seat height adjustment motor, front passenger	26 L
M28/3	Front seat height adjustment motor, front passenger	28 L
M28/5	Backrest angle adjustment motor, front passenger	24 L
N10/8	Rear SAM control unit	18 L
S22	Driver seat adjustment switch	4 A
S22	Driver seat adjustment switch	11 A
S22s2	Front seat raise/lower switch	5 A
S22s3	Seat fore/aft switch	9 A
S22s4	Rear seat raise/lower switch	3 A
S22s5	Backrest switch	1 A
S23	Front passenger seat adjustment switch	22 A
S23	Front passenger seat adjustment switch	30 A
S23s2	Front seat raise/lower switch	27 A
S23s3	Seat fore/aft switch	31 A
S23s4	Rear seat raise/lower switch	26 A
S23s5	Backrest switch	24 A
W15/1	Ground (right footwell)	23 L
W15/2	Ground (left footwell)	12 L
X54/31	Driver seat external power feed separation point	6 H
X54/32	Front passenger seat external power feed separation point	29 H
X55/3	Left front seat contacting strip	11 H
X55/4	Right front seat contacting strip	20 H
Z204/4	Circuit 31 right footwell voltage distributor connector	22 L
Z6/94	Driver seat circuit 31 connector sleeve	13 E
Z61/18	Driver seat circuit 15R connector sleeve	14 E

Fig 1: Fully Electric Seat Adjustment (ESA) - Wiring Diagram (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 2: Fully Electric Seat Adjustment (ESA) - Wiring Diagram (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Fully Electric Seat Adjustment (ESA) - Wiring Diagram (3 Of 3)

Courtesy of MERCEDES-BENZ USA