Remove/Install Lumbar Support Air Cushion On Front Seat - AR91.25-P-1450MFA
Model 118, 177, 247
with code U22 (Lumbar support adjustment)
except code 555 (AMMG-Performance Seat)
Model 243
with code U22 (Lumbar support adjustment)
Shown on driver's seat with code 7U3 (Seat type variant 3)
| 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 | Remove cover together with padding from seat backrest. | Model 118, 177, 247 with code U22 (Lumbar support adjustment) except code 555 (AMG-Performance Seat) Model 243 with code U22 (Lumbar support adjustment) |
|
| Model 118, 177, 247 with code 7U1 (Manually adjustable front seats) with code U22 (Lumbar support adjustment) except code 555 (AMG-Performance Seat) |
AR91.10-P-8656MFC | ||
| Model 118 with code 7U3 (Sport seats, front) with code U22 (Lumbar support adjustment) except code 555 (AMG-Performance Seat) Model 177 with code 7U3 (Seat model variant 3) with code U22 (Lumbar support adjustment) except code 555 (AMG-Performance Seat) |
AR91.10-P-8656MFB | ||
| Model 118, 177, 247 with code 7U2 (Luxury front seats) with code U22 (Lumbar support adjustment) except code 555 (AMG-Performance Seat) Model 243 with code 7U2 (Luxury front seats) with code U22 (Lumbar support adjustment) |
AR91.10-P-8656MFA | ||
| 2 | Release and disconnect electrical connection (3). | ||
| 3 | Release and disconnect electrical connector (2) at driver's seat lumbar support pneumatic pump (M25/4) or front passenger seat lumbar support pneumatic pump (M25/5). | ||
| 4 | Unclip tabs (1) of expansion rivets (4) and release air cushion (6) from spring element (5). | ||
| 5 | Guide air cushion (6) out of spring element (5). | ||
| 6 | Install in the reverse order. |