How do you change a turn signal and bright and dimmer switch on 2002 SLK 230 Mercedes Benz?

To change the turn signal and bright/dim switch on a 2002 SLK 230 Mercedes Benz, first disconnect the car battery to ensure safety. Remove the steering column cover by unscrewing the screws, then carefully detach the old switch by releasing the clips and disconnecting the electrical connectors. Install the new switch by reversing the removal process, ensuring all connections are secure, and then reassemble the steering column cover. Finally, reconnect the battery and test the new switch for functionality.