Bethesda Detailers is a car wash and car detailing service in Bethesda, Maryland, at 4730 Cheltenham Dr, Bethesda. Opening hours: Mon–Fri 8 AM–7 PM · Sat 9 AM–5 PM · Sun Closed. Listed services: Wheelchair accessible entrance and Restroom and Appointment required. Call (301) 913-0119 to check prices or availability before you go.