Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , perhaps you’ve already had that apprehension. So when you notice an alternator noise on Mercedes Benz C Class, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this article to help you locate the sources of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Mercedes Benz C Class and then what the causes and solutions to alternator noise on Mercedes Benz C Class may be.
Role and alternator operation Mercedes Benz C Class
Alternator role
Your alternator is an important component of your Mercedes Benz C Class. In fact, its task is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of charging the battery once the automobile is in motion, to provide power to the automobile in motion and to allow you to always have a sufficient energy source to be able to restart the next time.
Alternator functioning
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The alternator works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine itself that will give the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercedes Benz C Class engine stops, the battery takes over to give the automobile with energy.
What are the distinctive alternator noises or sounds on my Mercedes Benz C Class and what are the causes?
I hear a knocking noise originating from the alternator of my Mercedes Benz C Class
One of the characteristic noises of a tired alternator on Mercedes Benz C Class is a knocking noise. This alternator sound on Mercedes Benz C Class will most of the time occur when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical elements such as headlights for example. Often, it is a of both bearings of the alternator that is faulty, to check it, use a multimeter on the terminals of your automobile with the engine running and you must get a value between 12 and 14.7 volts, which means that your alternator is charging your battery well. If the value is lower, the alternator of your Mercedes Benz C Class is tired and you should think about replacing the bearing if it is the only cause otherwise the complete part.
I notice a grinding noise coming from the alternator of my Mercedes Benz C Class
If you are in the situation where the alternator of your Mercedes Benz C Class produces grinding sounds, in this case you will have to check it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, however , in general, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we encourage that you read this article to find all the necessary details to solve an accessory belt noise on Mercedes Benz C Class.
I notice a loud noise from the alternator of my Mercedes Benz C Class
Hearing a loud noise from the alternator of your Mercedes Benz C Class is quite regular, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to check that the battery indicator light on your dashboard does not show up, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we encourage that you take a look at this article to find other ways to solve problem of noises from front end on Mercedes Benz C Class.
