A Mercedes-Benz X 350 averages €40,423 across all model years. Right now 3 are listed for sale, with the cheapest sitting around €37,900 (typically older years) and the priciest around €42,290 (recent years). The median is €41,080. A good price for a Mercedes-Benz X 350 is under €39,490; anything over €41,685 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €30,810 to €36,972 for this model, depending on year and condition.