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The video above shows you how to replace the battery in your 2009 Mercedes-Benz C300. We recommend changing the battery in Mercedes-Benzs every 4 years. Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a dead battery in your C300 that you need to replace.
Replacing the battery in your C300 involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some C300s, you may need to re-enter a security code to get your radio to work again. Check for this code in your owners manual - it will usually be either a sticker or small card in the booklet. If you can't find it, call Mercedes-Benz and they will give you the code for free. In many Mercedes-Benzs, the transmission "learns" how you drive over time and makes adjustments, so you may experience altered driving dynamics as your car re-learns your driving style after changing the battery.
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
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2009 Mercedes-Benz C300 Sport 3.0L V6
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2009 Mercedes-Benz C300 Sport 3.0L V6
Help keep your car as responsive as you are by maintaining proper power steering fluid levels2009 Mercedes-Benz C300 Sport 3.0L V6
A few key tips will make jacking up your car much safer2009 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