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Did you know that the most important thing you can do to care for your tires and improve your fuel economy is to maintain the proper air pressure? Checking the tire pressure in your 2009 Mercedes-Benz C300 is relatively easy and important to do on a regular basis. Open the driver side door on your C300 and look for a sticker that indicates what the tire pressure should be. Don't use the maximum pressure indicated on the sidewall of your tires. It is best to check the tire pressure on your C300 in the morning before the car has been used or when you have driven it for less than a mile. When you drive your C300, the air inside your tires warms up and expands, so to get an accurate reading, check the tire pressure when the car has not been driven recently.
Underinflated tires decrease the gas mileage of your C300, wear out faster and make the vehicle harder to steer, whereas overinflated tires blow out more easily, wear out faster and can cause unsafe handling dynamics. For these reasons and more - keeping your tires properly inflated on a regular basis is easy and important.
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
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here2009 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
Coolant hoses wear out over time and need to be replaced - check 'em early and often2009 Mercedes-Benz C300 Sport 3.0L V6
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2009 Mercedes-Benz C300 Sport 3.0L V6
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2009 Mercedes-Benz C300 Sport 3.0L V6