Remove/Install Front Seat Heater/Seat Ventilation Control Unit - AR91.30-P-0036FR
Model 257, 290
with code 401 (Climatised front seats)
except code 221 (Electrically adjustable left driver seat)
except code 222 (Electrically adjustable right driver seat)
except code 275 (Memory Package (driver's seat, steering column and mirror))
except code 902 (Seat heater Plus for driver and front passenger)
Model 257, 290
with code 873 (Left and right driver's seat heating)
except code 221 (Electrically adjustable left driver seat)
except code 222 (Electrically adjustable right driver seat)
except code 275 (Memory Package (driver's seat, steering column and mirror))
except code 902 (Seat heater Plus for driver and front passenger)
Fig 1: Front Seat Heater/Ventilation Control Unit Components Location - Model 290 With Code 401, 873 Except Code 221, 222, 275, 902
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Perform commissioning of front seat heating/seat ventilation control unit (N25/17). | When replacing front seat heating/ventilation control unit (N25/17). | |
| AD00.00-P-2000-06FR | |||
| 2 | Remove bolts from guide rails of front passenger seat. | AR91.10-P-1000FR | |
| 3 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m). | ||
| 4 | Tilt back front passenger seat and unclip front seat heating/seat ventilation control unit (N25/17). | ||
| 5 | Disconnect electrical connectors (2, 3) and remove front seat heating/seat ventilation control unit (N25/17). | ||
| 6 | Install in the reverse order |