A Mercedes-Benz X 350 averages €42,348 across all model years. Right now 8 are listed for sale, with the cheapest sitting around €21,400 (typically older years) and the priciest around €80,000 (recent years). The median is €41,685. A good price for a Mercedes-Benz X 350 is under €35,675; anything over €42,950 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €31,264 to €37,516 for this model, depending on year and condition.