Changing Brake Fluid
Mercedes recommends changing brake fluid every 2 years. Brake fluids have a tendency to absorb moisture out of the air and therefore may become saturated with water. The excessive build up of this moisture will actually create damage to your brake components. The moisture build up becomes even more important with anti lock brakes.
Coolant Flush Facts
Mercedes recommends that your coolant be changed every 3 years. Your coolant is extremely important to maintain consistent engine temperature. The coolant fluids function is 2 fold; it provides antifreeze protection and also maintains the boiling point and reduction of corrosives in the engine