Preliminary Work
WARNING: This page is about a different variant/trim than selected.
- If a new control unit has to be installed, the values/coding must be read out using > 9818 - PIWIS Tester II before removing the "old" control unit.
- Loosen he right front seat and tilt it to the rear with lines connected.
> WM 720119 REMOVING AND INSTALLING FRONT SEAT - section on "Removing"
- Remove inner door sill trim at the right.
> WM 680519 REMOVING AND INSTALLING INNER DOOR ENTRY GUARD - section on "Removing"