How do you replace brake light swicth on 2000 E320?

To replace the brake light switch on a 2000 Mercedes-Benz E320, first, disconnect the negative battery terminal to ensure safety. Locate the brake light switch, which is typically found above the brake pedal. Remove the electrical connector and unscrew the old switch, then install the new switch by screwing it in and reconnecting the electrical connector. Finally, reconnect the battery and test the brake lights for proper function.