A Mercedes-Benz G 320 averages €37,500 across all model years, with the cheapest sitting around €37,500 (typically older years) and the priciest around €37,500 (recent years). The median is €37,500. A good price for a Mercedes-Benz G 320 is under €37,500; anything over €37,500 is on the high side compared with similar listings.