Mountain Valley Enterprises is a car wash and auto restoration service in Maryville, Tennessee, at 725 Ridge Rd, Maryville. Opening hours: Mon–Sat 9 AM–7:30 PM · Sun Closed. Listed services: Car accessories store, Car detailing service, Window tinting service, Wheelchair accessible parking lot and Gender-neutral restroom. Call (865) 316-6043 to check prices or availability before you go.