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How to Replace the Air Filter of the Smart

Model: Smart Smart 451 - Years 2007-2015
Part: Air filter

The air filter is one of the most important components in the engine bay of your Smart. Its main function is to allow the engine to "breathe" properly, preserving its performance and reliability. After driving many miles, it is necessary to replace the filter, and below we will discover how to do this. First, turn off the car and access the engine. Locate the small box containing the air filter and unscrew the screws to remove the protective cover. At this point, replace the old filter with the new one, reattach the cover, and the protective panel above the engine.

Updated on 14 May 2026 by ScegliAuto

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