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 , at minimum you’ve already had that apprehension. So when you listen to an alternator noise on Mercedes Gla, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to support you find the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Mercedes Gla and then what the causes and solutions to alternator noise on Mercedes Gla may be.
Role and alternator operation Mercedes Gla
Alternator role
Your alternator is an fundamental component of your Mercedes Gla. In fact, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the vehicle is in motion, to provide power to the vehicle 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 produces electricity. It is the engine motor itself that will provide the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercedes Gla engine stops, the battery takes over to provide the vehicle with energy.
What are the several alternator noises or sounds on my Mercedes Gla and what are the causes?
I notice a knocking noise originating from the alternator of my Mercedes Gla
One of the typical noises of a tired alternator on Mercedes Gla is a knocking noise. This alternator sound on Mercedes Gla will most of the time show up when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. Most often, it is a of both bearings of the alternator that is defective, to examine it, use a multimeter on the terminals of your vehicle with the engine running and you must look for a value between 12 and 14.7 volts, which means that your alternator is recharging your battery well. If the value is lower, the alternator of your Mercedes Gla is tired and you should consider replacing the bearing if it is the only reason otherwise the complete part.
I listen to a grinding noise coming from the alternator of my Mercedes Gla
If you are in the case where the alternator of your Mercedes Gla causes grinding sounds, in this circumstance you will have to check it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , generally, we often see by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we encourage that you read this content to find all the necessary information to solve an accessory belt noise on Mercedes Gla.
I listen to a loud noise from the alternator of my Mercedes Gla
Listening a loud noise from the alternator of your Mercedes Gla is quite regular, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to examine that the battery indicator light on your dashboard does not appear, 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 go to this content to find other ways to solve problem of noises from front end on Mercedes Gla.
