When should the cam belt be changed on a 1.5 dci Renault megane?

According to Renault, the cambelt on a 1.5 dCi Megane should be replaced at 120,000 miles or 8 years, whichever comes first. However, it is also worth noting that some Megane models may have different cambelt replacement intervals, so it is always best to check with a Renault dealer or trusted mechanic for the specific recommendations for your vehicle.