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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 Driver'S Seat Heater Control Unit - AR91.30-P-0034LWO)

(Remove/Install Driver'S Seat Heater Control Unit - AR91.30-P-0034LWO)

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 (Left And Right Driver's Seat Heating) 

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 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 873 (Left And Right Driver's Seat Heating) 

except code 222 (Electrically Adjustable Right Driver 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) 

G14197778Courtesy of MERCEDES-BENZ USA

Shown on Model 238 

Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/Install     
1 Commission driver's seat control unit for seat heating (1). When replacing the driver's seat heater control unit (1).  
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 238 with code 902 (Seat heater Plus for driver and front passenger) AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   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 (Left And Right Driver's Seat Heating) 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 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 873 (Left And Right Driver's Seat Heating) except code 222 (Electrically Adjustable Right Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
Model 213 with code 902 (Seat heater Plus for driver and front passenger)
AD00.00-P-2000-04B
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m).    
3 Remove bolts from guide rails of driver's seat. Model 205.0##/1 ##/2##/3## 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 205.0##/1 ##/2##/3## 1# up to 5/31/15, 253.### 1# up to 5/31/15 with code 873 (Left And Right Driver's Seat Heating) except code 221 (Electrically Adjustable Left Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
Model 205.0##/2##/3## 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 Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
Model 205.0##/2##/3## 2# up to 5/31/15, 253.### 2# up to 5/31/15 with code 873 (Left And Right Driver's Seat Heating) except code 222 (Electrically Adjustable Right Driver 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)
AR91.10-P-1000LW
    Model 205.4## 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 205.4## 1# up to 5/31/15 with code 873 (Left And Right Driver's Seat Heating) except code 221 (Electrically Adjustable Left Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
Model 205.4## 2# up to 5/31/15 with code 401 (Climatised Front Seats) except code 222 (Electrically Adjustable Right Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
Model 205.4## 2# up to 5/31/15 with code 873 (Left And Right Driver's Seat Heating) except code 222 (Electrically Adjustable Right Driver Seat) except code 275 (Driver's Seat, Electrically Adjustable With Memory Function) U The driver's seat remains in the vehicle.
AR91.10-P-1000LWR 
4 Tilt back driver's seat and unclip the driver's seat control unit for seat heating (1).    
5 Disconnect electrical connectors (2, 3) and remove driver's seat control unit for seat heating (1).    
6 Install in the reverse order.