Now that you have linked your Marriott Rewards account to your SPG account and got your status matched at Starwood Properties, there is another benefit I found out about that I thought I would share with you all. Apparently, Hilton Honors is offering to status-match with any other hotel rewards program as a promotion to get you to stay at their hotels.
All you have to do is prove your membership, status and a stay at one of your current hotel's locations within the last 12 months and Hilton will match your status to whatever their applicable status level is. To keep it through 2018, you only need to stay 4 - 8 times at a Hilton property.
Just thought I would share...,