How do you replace distributor cap and rotor on 300e?

To replace the distributor cap and rotor on a Mercedes-Benz 300E, first, disconnect the battery to ensure safety. Remove the screws or clips securing the distributor cap and carefully lift it off, noting the position of the wires for reinstallation. Take out the old rotor by unscrewing it or lifting it off, then replace it with the new rotor. Finally, install the new distributor cap, reconnect the wires as they were, and reconnect the battery.