Need Assistance? Live Chat
Need Assistance? (Se Habla Espanol) Call 1-877-702-1308 or Chat Online

Select by Brand

Get Email Exclusives

Sign up for email updates on the latest exclusive offers

Mercedes Benz ML320 Headlights

Quick Fix: Troubleshooting Mercedes Benz ML320 Headlights

Nothing brings you a road closer to accidents and collisions than driving with dead headlights. These are your primary sources of illumination that allow you to see the road ahead clearly and avoid obstacles that can jeopardize your safety. Without a set of properly working Mercedes Benz ML320 headlights, you're increasing your risk of getting into a serious road accident. Of course, it is universal knowledge to ensure your headlights are up and running before hitting the road, but problems may also crop up along the way. What do you do when one or both of your headlights suddenly stop working while you're in the middle of a poorly lit highway? What could possibly be the cause of dim or flickering headlights? Doing some troubleshooting can help you find the answers to these questions and the causes behind your headlight problems. If your Mercedes Benz ML320 headlights are acting up lately, read the guide below to help you get to the root of the problem.

Weak beams

If your headlights are giving off weaker beams than usual, you probably have a faulty charging system in your vehicle. A bad battery or a busted alternator is a possible culprit behind this problem. If this is the case, your headlights may still work, but they won't be able to provide enough illumination to help you see road obstacles in the dark. Headlights with weak beams can affect your visibility and even jeopardize your safety, so you need to check on your vehicle's power sources right away when you encounter this problem. If your battery's malfunctioning, it won't have the capacity to supply an adequate amount of electricity to your headlights. And it's the same thing with a bad alternator. To determine whether you have a faulty charging system, test your car's battery using a digital multimeter. A battery with a voltage rating of less than 13 volts should be replaced immediately to get stronger headlight beams.

No light

If your headlights are not working at all, then it only means they're not receiving any voltage. When this happens, check all electrical components connected to your headlights for damage. The relay, switch, fuse, and module should all be tested for proper function. Also, check the connections for possible wiring short. Make the necessary replacements and repair to restore power to your dead headlights.

Mercedes Benz ML320 Headlights Bestsellers View more

Mercedes Benz ML320 Headlights Available Years

  • Caring for Your Mercedes Benz ML320 Headlights 27 February 2013

    Nothing spells more trouble for you on the road than a pair of poorly maintained headlights. Yes, they may still illuminate the road, increase your visibility, and take you to your destination, but you'll be a hundred times safer with clean and clear headlights. Maintaining your headlights is necessary to keep them in tiptop working condition and to ensure your safety on the road. With proper maintenance and care, your Mercedes Benz ML320 headlights will give good service for a long period of time. Plus, caring for your headlights is a piece of cake, and it can even be done at the comfort of your own garage without the aid of a professional. Here are a few tips and tricks to help you get started:


    Get rid of the fog on the lenses.


    Foggy, cloudy, or hazy headlights tend to produce weaker beams than those with crystal-clear lenses. Headlight oxidation or fogging is usually caused by dried-up moisture. When not immediately cleared up, the fog can completely block your headlights' beams and decrease your visibility on the road. This will not only jeopardize your safety, but it will also make your headlights look unsightly. Fortunately, there are some cost-efficient tricks you can do to clear up the fog and restore the shine to your lenses. Rubbing toothpaste on the lenses with a soft-bristled brush can immediately remove the haze covering your headlights. Also, simple home solutions like baking soda paste and cooking oil are effective in eliminating the foggy film from the lenses. Wet fine-grit sandpaper may also be used to restore your headlights.


    Remove trapped moisture.


    Trapped moisture can cause severe damage on the headlights' wiring and light sockets. This can also fog up your lenses and cause problems like the ones mentioned on the first tip. Moisture or headlight condensation is usually caused by leaks or cracks on the housing and lenses. To remove trapped moisture, place your headlights under direct sunlight for several hours so that the water inside will evaporate. Also, you may blast the assembly with a hairdryer to get rid of the moisture. For added protection, apply clear urethane sealant on the cracks and holes to keep moisture out. Sealing the headlight bulb socket properly will also prevent condensation problems in the future.