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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.
Your coolant should perform well under any condition - just like Aaron Rodgers!2009 Mercedes-Benz C300 Sport 3.0L V6
One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car2009 Mercedes-Benz C300 Sport 3.0L V6
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2009 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
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2009 Mercedes-Benz C300 Sport 3.0L V6
Learn where your air filter is located and how to determine if it needs to be changed.2009 Mercedes-Benz C300 Sport 3.0L V6