Is your coolant blue or yellow-ish?

I've read that the new blue coolant has an extremely long change interval. I've even heard that the blue coolant can last 15 years, or even until the lifetime of the car, but I find either change interval hard to believe.

Mercedes has generally always required coolant change intervals of every three (3) years.

It is interesting that only two items are carried out in time intervals instead of mileage intervals: the previously mentioned 3 year change interval on coolant, and brake fluid at every two years.

If you haven't changed your brake fluid yet, you are two years overdue.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".