What mileage should cam belt be changed on diesel renault megane 1.5?

The cam belt on a diesel Renault Megane 1.5 should typically be changed every 70,000 to 100,000 miles, or every 5 to 7 years, depending on driving conditions and manufacturer recommendations. It's essential to consult the owner's manual for specific guidelines related to your vehicle's model year. Regular maintenance is crucial to prevent engine damage.