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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats, Bunks, Restraint Systems - 205 Chassis 2 Of 3 >> Testing & Repair >> Remove/Install Front Seat Adjustment Mechanism - AR91.10-P-1450LW

Remove/Install Front Seat Adjustment Mechanism - AR91.10-P-1450LW

Model 205, 213, 238, 253, 293 

Shown on Model 205.0 

Fig 1: Front Seat Adjustment Mechanism Components Location - Model 205; Shown On Model 205.0
G14197633REMOVINGINSTALLINGINSTALLATION NOTESCourtesy of MERCEDES-BENZ USA
Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/Install     
1 Remove seat cushion padding (1). Model 213 with code 555 (AMG Performance Seats) AR91.10-P-5040FRX
    Model 213 with code 275 (Memory package) except code 555 (AMG Performance Seats) AR91.10-P-5040LWE
    Model 213 except code 275 (Memory package) except code 555 (AMG Performance Seats) AR91.10-P-5040LWF
    Model 205, 238, 253, 293 with code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) with code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) with code P65 (Seat Comfort Package)
 
Model 205, 253, 293 with code 221 (Electrically Adjustable Left Driver Seat) with code 222 (Electrically Adjustable Right Front Seat) with code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 238 with code 275 (Memory package)
AR91.10-P-5040LW 
    Model 205 except code 221 (Electrically Adjustable Left Driver Seat) except code 222 (Electrically Adjustable Right Front Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function) except code 555 (AMG Performance Seats) except code P65 (Seat Comfort Package)
 
Model 238 except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) except code 275 (Memory package) except code P65 (Seat Comfort Package)
 
Model 253 except code 221 (Electrically Adjustable Left Driver Seat) except code 222 (Electrically Adjustable Right Front Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function) except code 555 (AMG Performance Seats) except code P65 (Seat Comfort Package)
 
Model 293 except code 221 (Electrically Adjustable Left Driver Seat) except code 222 (Electrically Adjustable Right Front Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function) except code P65 (Seat Comfort Package)
AR91.10-P-5040LWA 
2 Remove seat backrest (2).   AR91.10-P-1060LW 
3.1 Remove sensor mat with weight sensing system (WSS) sensor from seat cushion frame. Model 205, 213, 238, 253, 293 with code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
When removing seat adjustment unit (3) on front passenger side.
 
      AR91.60-P-0720LW 
3.2 Remove seat occupancy recognition from seat cushion frame. Model 205, 213, 238, 253, 293 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
When removing seat adjustment unit (3) on front passenger side.
 
      AR91.60-P-0720LWA 
4 Remove seat belt buckle.   AR91.40-P-1515LW 
5 Remove front seat control unit. Model 205, 213, 253, 293with code 221 (Electrically Adjustable Left Driver Seat) with code 222 (Electrically Adjustable Right Front Seat)
 
Model 205, 253, 293 with code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) with code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) with code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 213, 238 with code 275 (Memory package)
AR91.29-P-1550LWE 
6.1 Remove front seat heating/seat ventilation control unit. When removing seat adjustment unit (3) on front passenger side.  
    Model 205 as of 6/1/15, 253 as of 6/1/15 with code 401 (Climatised Front Seats) except code 221 (Electrically Adjustable Left Driver Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
 
Model 205 as of 6/1/15, 253 as of 6/1/15 with code 873 (Seat Heaters For Driver And Front Passenger) except code 221 (Electrically Adjustable Left Driver Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
 
Model 213 with code 401 (Climatised Front Seats) except code 221 (Electrically Adjustable Left Driver Seat) except code 275 (Memory package)
 
Model 213 with code 873 (Seat Heaters For Driver And Front Passenger) except code 221 (Electrically Adjustable Left Driver Seat) except code 275 (Memory package)
 
Model 238 with code 401 (Climatised Front Seats) except code 275 (Memory package)
 
Model 238 with code 873 (Seat Heaters For Driver And Front Passenger) except code 275 (Memory package)
 
Model 293 with code 401 (Climatised Front Seats) except code 221 (Electrically Adjustable Left Driver Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
 
Model 293 with code 873 (Seat Heaters For Driver And Front Passenger) except code 221 (Electrically Adjustable Left Driver Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
AR91.30-P-0036LWO 
6.2 Remove seat heating control unit of driver's seat. When removing seat adjustment unit (3) on driver's side.  
    Model 205.### 1# up to 5/31/15, 253.### 1# up to 5/31/15 with code 401 (Climatised Front Seats) except code 221 (Electrically Adjustable Left Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 205.### 1# up to 5/31/15, 253.### 1# up to 5/31/15 with code 873 (Seat Heaters For Driver And Front Passenger) except code 221 (Electrically Adjustable Left Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 205.### 2# up to 5/31/15, 253.### 2# up to 5/31/15 with code 401 (Climatised Front Seats) except code 222 (Electrically Adjustable Right Front Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 205.### 2# up to 5/31/15, 253.### 2# up to 5/31/15 with code 873 (Seat Heaters For Driver And Front Passenger) except code 222 (Electrically Adjustable Right Front Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 213, 238 with code 902 (Seat heater Plus for driver and front passenger)
AR91.30-P-0034LWO 
6.3 Remove seat heating control unit of front passenger seat. When removing seat adjustment unit (3) on front passenger side.  
    Model 205.### 1# up to 5/31/15, 253.### 1# up to 5/31/15 with code 401 (Climatised Front Seats) except code 222 (Electrically Adjustable Right Front Seat) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
 
Model 205.### 1# up to 5/31/15, 253.### 1# up to 5/31/15 with code 873 (Seat Heaters For Driver And Front Passenger) except code 222 (Electrically Adjustable Right Front Seat) except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
 
Model 205.### 2# up to 5/31/15, 253.### 2# up to 5/31/15 with code 401 (Climatised Front Seats) except code 221 (Electrically Adjustable Left Driver Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left)
 
Model 205.### 2# up to 5/31/15, 253.### 2# up to 5/31/15 with code 873 (Seat Heaters For Driver And Front Passenger) except code 221 (Electrically Adjustable Left Driver Seat) except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left)
 
Model 213, 238 with code 902 (Seat heater Plus for driver and front passenger)
AR91.30-P-0035LWO 
7 Remove electrical wiring harness from the seat adjustment unit (3). INSTALLATION NOTES :
Fix the electrical wiring harness on the seat adjustment unit (3) so that the seat can be adjusted without any restrictions.
Otherwise shearing off or crushing of the electrical wiring harness may occur.
 
8 Remove seat inclination adjustment seat adjustment motor. Model 205, 213, 238, 253, 293 with code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) with code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) with code P65 (Seat Comfort Package)
 
Model 205, 213, 253, 293 with code 221 (Electrically Adjustable Left Driver Seat) with code 222 (Electrically Adjustable Right Front Seat)
 
Model 205, 253, 293 with code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 213, 238 with code 275 (Memory package)
AR91.29-P-0005LW 
9 Remove seat fore/aft adjustment seat adjustment motor. Model 205, 213, 238, 253, 293 with code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) with code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
 
Model 205, 213, 253, 293 with code 221 (Electrically Adjustable Left Driver Seat) with code 222 (Electrically Adjustable Right Front Seat)
 
Model 205, 253, 293 with code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
 
Model 213, 238 with code 275 (Memory package)
AR91.29-P-0006LW 
10 Remove seat height adjustment seat adjustment motor.   AR91.29-P-0007LW 
11 Remove remaining detachable parts from seat adjustment unit (3).    
12 Install in the reverse order