How do you replace antenna in 1989 260E?

To replace the antenna in a 1989 Mercedes-Benz 260E, first, remove the interior trim panel covering the antenna base. Disconnect the power and coaxial cable from the old antenna, then unscrew it from the mounting bracket. Install the new antenna by reversing the process: secure it to the bracket, reconnect the power and coaxial cables, and replace the trim panel. Ensure everything is properly connected and test the antenna for functionality.