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The video above shows you to replace the headlight in your 2009 Mercedes-Benz C300. Headlights grow dimmer by up to 20% over time and eventually burn out - for this reason, we recommend changing your headlights in pairs. Changing both headlight bulbs on your C300 at the same time will allow both bulbs to have the same intensity and prevent the new headlight bulb from appearing brighter than the bulb on the opposite side. In some Mercedes-Benzs, the highbeam is the same bulb as the headlight and it is possible for the highbeam to work, but the headlight be burnt out even if they are the same bulb (and vise versa). Some Mercedes-Benzs have high intensity discharge headlights, sometimes referred to as xenon lights. These bulbs have a very high voltage that runs through them, even if the battery is disconnected. If your C300 has this type of bulb, we do not recommend that you attempt to change it yourself.
When you change the headlight on your C300, it is important to not touch the glass part of the bulb with your fingers because the oil from your fingertips will cause that part of the bulb to burn hotter, which significantly shortens the life of the bulb.
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
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
A check engine light can be cleared with a simple fix or it could be a major problem - find out now!2009 Mercedes-Benz C300 Sport 3.0L V6
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2009 Mercedes-Benz C300 Sport 3.0L V6
A/C blowing hot air?2010 Mercedes-Benz C63 AMG 6.3L V8
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