How do you replace the alternator on a 1992 Mercedes 190e?

To replace the alternator on a 1992 Mercedes 190E, first disconnect the battery to ensure safety. Then, remove the serpentine belt by loosening the tensioner, followed by disconnecting the electrical connections from the alternator. Remove the mounting bolts securing the alternator to the engine and take out the old alternator. Install the new alternator by reversing the steps: securing it with bolts, reconnecting electrical connections, and reattaching the serpentine belt before reconnecting the battery.