A Mercedes-Benz R 320 averages €5,616 across all model years. Right now 3 are listed for sale, with the cheapest sitting around €3,200 (typically older years) and the priciest around €8,999 (recent years). The median is €4,650. A good price for a Mercedes-Benz R 320 is under €3,925; anything over €6,824 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €3,488 to €4,185 for this model, depending on year and condition.