PEAK OET Antifreeze + Coolant 50/50 Prediluted for European Vehicles - Violet, 1 Gallon

Great price

Used on my 2016 E63 AMG S when I replaced the radiator.. the dealer claims to flush the coolant every 60,000 miles if living in an extreme climate and I think anywhere in the state of Arizona can lay claim to that label.... So why would they say it protects for 15 years or 400000 miles? It is misleading a bit and should be followed with an asterisk stating (always follow your vehicle's recommended service intervals) because I would not think any coolant should outlast the coolant system I.E. hoses and water pumps will fail way before 400K miles and the acidity level in the coolant continues to increase every month it is in your vehicle and being exposed to metallic compounds ... Now I gave them 5 starts because the product is as good or better than the coolant Mercedes puts in at the factory and it costs half the price... But for God sakes always replace your coolant every 36 months or you will be going through a lot of hoses and radiators as the acid eats through plastic and rubber and aluminum pretty quickly .