Remove/Install Multicontour Backrest Air Cushion - AR91.25-P-1740MFD
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2023 Mercedes-Benz CLA45 AMG, 2023 Mercedes-Benz CLA35 AMG, 2023 Mercedes-Benz CLA250, 2022 Mercedes-Benz CLA45 AMG, and 2022 Mercedes-Benz CLA35 AMG. However, it is still accessible from the selected car via links, so may be relevant.
Model 118, 177, 247
with code 409 (Left and right front multicontour seat)
with code 555 (AMG-Performance Seat)
except code 7U1 (Manually adjustable front seats)
except code 7U2 (Luxury front seats)
except code 7U4 (Seat model variant 4)
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Switch on ignition and set backrest contour as well as side bolster contour of corresponding seat in "Comfort" menu to zero. | ||
| 2 | Remove seat backrest padding. | AR91.10-P-0003MFD | |
| 3 | Unclip air cushions (1.1) from backrest shell and place to one side. | Fig 1 | |
| 4 | Detach retaining clips (2), remove air cushion (1.2) and place to one side. | Fig 1 | |
| 5 | Release felt tapes (3) along pneumatic and electric lines. | ||
| 6 | Detach pump (4) and place to one side. | ||
| 7 | Remove driver multicontour seat control unit (N32/15) or front passenger multicontour seat control unit (N32/16) until electrical connectors are accessible. | ||
| 8 | Release and disconnect electrical connectors (5) and remove electric lines from seat shell. | ||
| 9 | Remove air cushions (1.1, 1.2) and pump (4) together with driver multicontour seat control unit (N32/15) or front passenger multicontour seat control unit (N32/16). | ||
| 10 | Install in the reverse order. |