Yes, E+ is one of the perks of elite status. If you're going to have elite status, it would greatly benefit you to read up on all of the perks. You can do this on united.com (go to "About Mileage Plus") or in the United F.A.Q. stickied at the top of the UA forum.

Basic questions like this, and others, can be easily answered by reading those two resources... and it would be to your advantage to know what perks you should be receiving!