Mercedes vehicles require a coolant flush at regular intervals to maintain proper engine performance and prevent overheating. The exact interval for a coolant flush may vary depending on the specific model and year of your Mercedes, so it's important to refer to the owner's manual or consult with a certified Mercedes technician for the recommended service schedule.

As a general guideline, most Mercedes vehicles require a coolant flush every 3-5 years or every 30,000-50,000 miles.
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