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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 373 (Seats, Bunks, Restraint Systems - 253 Chassis 2 Of 4) >> Testing & Repair >> Remove/Install Front Seat Control Unit - AR91.29-P-1550LWE

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

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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)) 

G14197771Courtesy of MERCEDES-BENZ USA
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
REMOVINGINSTALLING 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).  
REFER TO SELF-DIAGNOSTIC SYSTEMS   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
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 238 with code 275 (Memory Package (driver's seat, steering column and mirror)) AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   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