Paul: On the sunroof, to get it to tilt, PUSH the switch straight up. To close it from the tilt position, PULL the switch down as you have described. As for the Antenna, do a search on this site, there is all kind of information on the Hirshman antennas. Good luck and enjoy the Benz.
'86 Alfa Romeo Spider
'84 Harley Davidson FLH"X"
'70 FJ40 Land Cruiser (basket case)