OEM Filter, interior air Mercedes Benz Valente W447 V 250 BlueTEC / d +more

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An air filter is an essential component of a car's engine that ensures that the air entering the engine is free of dirt, dust, and debris. The air filter's primary function is to prevent contaminants from entering the engine and causing damage. A clogged or dirty air filter can restrict the airflow to the engine, which can lead to reduced performance and other engine problems. By filtering out contaminants and ensuring clean air is entering the engine, the air filter helps improve engine efficiency and longevity.

A dirty air filter can also affect a car's fuel efficiency, as it can cause the engine to work harder than it needs to. An air filter's lifespan varies depending on several factors, such as the type of driving the car is subjected to, the frequency of driving, and the environment the car is driven in. It is recommended that air filters are changed every 12,000 to 15,000 miles, or more frequently in dusty or polluted areas. Regular air filter maintenance ensures that a car's engine runs smoothly, efficiently, and at optimal performance levels.