Remove/Install Multicontour Backrest Control Unit On Front Seat - AR91.25-P-1750GQC
MODEL 166 as of model year 2016
with CODE 399 (Multicontour front seats with massage function)
MODEL 292
with CODE 399 (Multicontour front seats with massage function)
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Move front seat to foremost position | ||
| 2 | Switch on ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Remove seat-back lining from seat backrest | AR91.10-P-1910GQ | |
| 4 | Detach cover of backrest in lower area from backrest frame | ||
| 5 | Unclip expansion rivet (3) | Figure | |
| 6 | Release and detach all hoses (2) from multicontour backrest control unit (1) | ||
| 7 | Disconnect electrical connectors from multicontour backrest control unit (1) | ||
| 8 | Remove cable tie (5) | ||
| 9 | Remove multicontour backrest control unit (1) from holding bag | ||
| 10 | Install in the reverse order |