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The engine air filter in your 2009 Mercedes-Benz C300 cleans the air that enters your engine. You should change the filter on your C300 at least once a year or every 20,000 miles, whichever comes first. If you drive in dusty or sandy conditions, you should change your filter more frequently. A dirty air filter will cause your C300 to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your C300 and how to change it!
In addition to improving the fuel economy of your C300, regularly replacing your air filter will put less strain on your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several, when you go to check the filter on your C300, you can easily swap it for a new one if it is dirty).
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2009 Mercedes-Benz C300 Sport 3.0L V6
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2009 Mercedes-Benz C300 Sport 3.0L V6
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!2009 Mercedes-Benz C300 Sport 3.0L V6
Low coolant levels is all to common - top yours up today2009 Mercedes-Benz C300 Sport 3.0L V6
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw2009 Mercedes-Benz C300 Sport 3.0L V6
If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak2009 Mercedes-Benz C300 Sport 3.0L V6