Here is a link on Gold Elite Benefits: Discover Marriott Gold Elite Benefits where you will see the following:
Lounge Access/Free Breakfast
Free daily continental breakfast, light snacks and beverages for members and one guest in the Executive Lounge at JW Marriott®, Autograph Collection®, Renaissance® and Marriott Hotels® (resorts excluded), Delta Hotels® (limited participation). In the U.S. and Canada, select hotels will provide 750 or 1,000 points in lieu of breakfast in the event the lounge is closed.
At JW Marriott®, Autograph Collection®, Renaissance Hotels®, Delta Hotels® and Marriott Hotels® (Resorts, Courtyard Hotels, EDITION® Hotels and AC Hotels are excluded).
And here is a link to see Elite Benefits for all levels: Marriott Rewards® Elite Benefits Guarantee
We stayed at the Berlin Marriott last summer. We ate breakfast in the lounge and it was open on the weekend. We enjoyed the hotel very much. The area around the hotel is also quite nice. jrewing , enjoy your stay!