Mattress Direct Wentzville is conveniently located at the Northern end of the Dierbergs plaza. The showroom displays the entire Beautyrest and Serta iComfort catalog, as well as Relax-O-Pedic, Zero, One, and Campbell Mattresses which are proudly made in Missouri. Mattress Direct always guarantees the lowest price on every mattress on display. Don't pay retail. You save money when you order your Mattress Direct. Come in and let one of our dedicated Sleep Specialists help you find the mattress that best for the way you sleep.