Remove/Install Front Seat Control Unit - AR91.29-P-1550LWE

Model 205, 213, 253, 293

with code 221 (Electrically adjustable left driver seat)

Model 205, 213, 253, 293

with code 222 (Electrically adjustable right front seat)

Model 205, 253, 293

with code 241 (Memory switch for electrically adjustable front passenger seat, left)

Model 205, 253, 293

with code 242 (Front passenger seat, electrically adjustable with memory function)

Model 205, 253, 293

with code 275 (Driver's seat, electrically adjustable with memory function)

Model 213, 238

with code 275 (Memory Package (driver's seat, steering column and mirror))

Fig 1: Front Seat Control Unit Component Location - Model 205 With Code(s) 221, 222, 241, 242, 275

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Commission driver's seat control unit (N32/1) or front passenger seat control unit (N32/2).	When replacing driver seat control unit (N32/1 or front passenger seat control unit (N32/2).
		Model 293 with code 221 (Electrically adjustable left driver seat) Model 293 with code 222 (Electrically adjustable right front seat) Model 293 with code 241 (Memory switch for electrically adjustable front passenger seat, left) Model 293 with code 242 (Front passenger seat, electrically adjustable with memory function) Model 293 with code 275 (Driver's seat, electrically adjustable with memory function)	AD00.00-P-2000-06FR
		Model 238 with code 275 (Memory Package (driver's seat, steering column and mirror))	AD00.00-P-2000-06LWO
		Model 205, 213, 253 with code 221 (Electrically adjustable left driver seat) Model 205, 213, 253 with code 222 (Electrically adjustable right front seat) Model 205, 253 with code 241 (Memory switch for electrically adjustable front passenger seat, left) Model 205, 253 with code 242 (Front passenger seat, electrically adjustable with memory function) Model 205, 253 with code 275 (Driver's seat, electrically adjustable with memory function) Model 213 with code 275 (Memory Package (driver's seat, steering column and mirror))	AD00.00-P-2000-04B
2	Move front seat all the way up and to the rear.
3	Disconnect ground line from battery.	Model 293 with code 221 (Electrically adjustable left driver seat) Model 293 with code 222 (Electrically adjustable right front seat) Model 293 with code 241 (Memory switch for electrically adjustable front passenger seat, left) Model 293 with code 242 (Front passenger seat, electrically adjustable with memory function) Model 293 with code 275 (Driver's seat, electrically adjustable with memory function)	AR54.10-P-0003EQ
		Model 238 with code 275 (Memory Package (driver's seat, steering column and mirror))	AR54.10-P-0003LWO
		Model 205, 213, 253 with code 221 (Electrically adjustable left driver seat) Model 205, 213, 253 with code 222 (Electrically adjustable right front seat) Model 205, 253 with code 241 (Memory switch for electrically adjustable front passenger seat, left) Model 205, 253 with code 242 (Front passenger seat, electrically adjustable with memory function) Model 205, 253 with code 275 (Driver's seat, electrically adjustable with memory function) Model 213 with code 275 (Memory Package (driver's seat, steering column and mirror))	AR54.10-P-0003LW
4	Remove cover from seat adjustment unit.
5	Disconnect electrical connectors from driver's seat control unit (N32/1) or front passenger seat control unit (N32/2).
6	Release and remove driver's seat control unit (N32/1) or front passenger seat control unit (N32/2).
7	Install in the reverse order