Speaking of "air filter element", most car friends should be familiar with, so how much do you know about the specific air filter element?
Role of air filter element: The main role is to filter the engine intake to ensure good fuel efficiency, and the cleanliness of the air filter element is directly related to the service life of the engine.
How will the air filter plug happen: once the air filter plug, resulting in insufficient air intake, then the direct impact of the performance of insufficient power, fuel consumption increase, serious when there will be "pull cylinder" phenomenon.
Mercedes officials recommend a replacement cycle: every two years (even years) or every 20,000 kilometers (even kilometers) (mileage and years of use whichever comes first). Here is a reminder that the "Air filter element" is included in the "B maintenance package" given or purchased when buying the car, and the "air conditioner filter element" is not included.
How to judge when to replace: each to the standard replacement cycle, check the air filter element, as long as it is not too dirty, do not feel the engine power decline, increase in fuel consumption and other conditions, not to replace is also possible. If it is a little dirty, you can clean it manually. Take it down and pat it a few times to remove the dust on the top. Normal 2 years or 40,000 kilometers of replacement can be, of course, the air environment is different replacement cycle is also different, the worse the air environment is the shorter the replacement cycle. Remember, do not blow with air gun, also do not wash with water, the force of air gun is too big, easy to destroy the filter element, make its sand hole become bigger, so may lose the filtering effect.
Air filter element position: most are located on the right side of engine compartment, connected to the large intake pipe.