Do you want to know why most of the electrical components in your Mercedes are no longer working? The problem could be due to an aluminum fuse failure. Aluminum fuses are common in Mercedes models, especially the older ones, and tend to rust with time. This corrosion affects the conductivity of the material and results in electrical failures. Let’s see ways you can know your aluminum fuse is faulty and how you should tackle the problem in your Mercedes.
What Are Aluminum Fuses?
Fuses made from aluminum are used in many old Mercedes cars to protect the electrical system in case of an overload. These small components are designed to blow if there is a likelihood of an overload in the electric circuits to save the entire system. But unlike contemporary copper fuses, aluminum fuses are more susceptible to corrosion. This sort of corrosion hinders them from conducting electricity and causes some electrical problems in different systems of your car such as the lights, power windows, and even the radio.
Signs of Aluminum Fuse Failure
- Electrical Components Not Working: If for instance power windows, locks, or sound systems suddenly cease to function, then this could be a result of a burnt fused.
- Blown Fuses: If you are experiencing frequent replacement of the blown fuses then probably your aluminum fuses are either rusty or bad. Replacing them with modern fuses may solve the problem.
- Intermittent Electrical Problems: If the electrical issues seem periodic or intermittent, then it is high time you checked the condition of the aluminum fuses as they are probably corroded and only allow voltage to pass through at random.
How to Fix A Faulty Aluminum Fuse
- Inspect Fuses: The first and most important step here is to look for the fuse box of your Mercedes model. Depending on your model, the fuse box could be underneath the bonnet, below the dashboard, or in the glove box The exact location can be obtained from the car’s manual. After reaching the fuse box, check out the fuses properly. You should then check for signs of corrosion or general wear around the fuse area; you may see a white powdery deposit around the fuse or a burnt-looking fuse.
- Test the Fuses: It is advised that fuses should be tested using a multimeter in order to determine continuity. If a fuse is functioning correctly, the reading you get is that of a closed circuit. When a fuse is blown, there will be no continuity.
- Replace Damaged Fuses: If you find one that has been burnt, you should replace it with a new fuse. When it comes to Mercedes vehicles, it is advised that you ensure correct fuse replacement. Some mechanics may recommend that you go for copper fuses because these materials are less liable to corrosion. When replacing it ensure you use a fuse that is of the same amperage as the one which was used before to prevent any future electrical issues.
- Clean the Fuse Contacts: It also makes sense to clean the contacts in the fuse box while you’re at it. Gently scrub the contacts with a small wire brush or sand the same contacts with sandpaper to remove corrosion. This will facilitate a good connection with the new fuse.
- Check for Underlying Issues: If you have a number of fuses that fail you should seek the help of a professional since it may point to an electrical problem. It may be because of a short circuit, a circuit with too much load, or maybe one of the components that is faulty in the circuit is blowing the fuse. Whatever the case, it is advisable to consult a Mercedes specialist and have the problem solved.
Make Bavarian Workshop The Go-to Place For All Your Mercedes’ Electrical Repairs
At Bavarian Workshop, our garage is located in West Hills, CA and we provide excellent services by diagnosing and fixing electrical problems such as aluminum fuse failure in Mercedes automobiles. We’ve been in business since 1978 and only hire expert technicians to provide professional services for your car. Even though our shop is in West Hills, we make sure that we assist Mercedes and other European automobile owners from nearby communities like Agoura, Woodland Hills, and Calabasas.
Our goal is to offer you the highest quality care for your fine automobile. If you are experiencing fuse issues, do not let this escalate or cause damage to other components —contact us for a repair appointment now and keep your Mercedes healthy.