Registration requests from members who otherwise meet the Criteria for complimentary status offerings through the RewardsPlus Program will not be granted such status in the event the member already holds equivalent or higher status in the Marriott Rewards Program. (mrrewardsplus.com)
Members who meet the Criteria as a result of holding trial Premier status in MileagePlus, including without limitation as a result of a MileagePlus Premier status match challenge program also are not eligible for complimentary status offerings through the RewardsPlus Program. (mrrewardsplus.com)
You can get complimentary status with any rental car agency so you can enjoy better cars while on the road, although anecdotally this doesn't always work. (upgradedpoints.com)