Remove/install airbag unit on the steering wheel (2009-) - AR91.60-P-0660RA
MODEL 171.4 as of 3.3.08
MODEL 219.3 as of 3.3.08
MODEL 230.4 as of 29.1.08
MODEL 171.4, 219.3, 230.4 with CODE (809) Model year 2009
| Remove/install | ||
| Danger! | Risk of injury Injuries may result when performing testing or repair work on airbag or emergency tensioning retractor units | Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply. |
| Adjust driver seat and steering column all the way back | ||
| 2 | Switch off the ignition and remove the transmitter key from the EIS control unit | On vehicles with code (889) Keyless go: Press keyless go start/stop button repeatedly until ignition is switched off. Remove transmitter key from vehicle and store it at a location beyond its transmission range (minimum distance 2 m). |
| 3 | Remove brace cover (9) from steering wheel (2) | Model 230.470/479 |
| 4 | Insert screwdriver bit into the openings (arrows) at the back of the steering wheel (2) and unscrew the screws out of the driver airbag unit (1) | Screws remain on steering wheel (2). Model 171, 230 |
| 5 | Remove driver airbag unit (1) from steering wheel (2) until electrical connectors (4) are accessible | |
| 6 | Separate electrical connectors (4) | |
| 7 | Disconnect electrical plug (5). | Pay attention to cable routing in bracket (8). |
| 8 | Disconnect electrical connector (6) | |
| 9 | Unclip lock tabs (3) and disconnect electrical connectors (7) | Installation: The electrical connectors (7) must audibly engage when inserted on driver airbag squib 1 (R12/13) and driver airbag squib 2 (R12/14). |
| 10 | Disconnect driver airbag unit (1) from steering wheel (2) | If driver airbag unit (1) is being replaced, the defective driver airbag unit (1) must be properly disposed of. Refer to: Notes on disposing of airbag and emergency tensioning retractor units |
| 11 | Install in the reverse order | |
| 12 | Read out fault memory Connect STAR DIAGNOSIS and read out fault memory | Read out fault memory Connect STAR DIAGNOSIS and read out fault memory |
| Number | Designation | Model 171 |
| Bolt, airbag to steering wheel | 8 Nm |