Disabling System (C230 & C280)
- Turn ignition off and remove ignition key. Disconnect and shield negative battery cable. Remove covers as necessary to access horn/air bag clockspring connector (A45x1) located at base of steering column. See Figure.
- Disconnect horn/air bag clockspring connector. Remove passenger floor covering and door sill covers as necessary to access passenger air bag connector (X28/12). See Figure. Disconnect passenger air bag connector. System is now disabled.