How do you change turn signal switch on 96 e320?

To change the turn signal switch on a 1996 Mercedes-Benz E320, first, disconnect the negative battery terminal to ensure safety. Remove the steering wheel by unscrewing the retaining bolt and carefully pulling it off, then detach the plastic steering column cover. Locate the turn signal switch, disconnect the wiring harness, and remove the screws securing the switch. Replace it with the new switch, reassemble the components in reverse order, and reconnect the battery.