Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , certainly you’ve already had that fear. So when you discover an alternator noise on Mercedes Benz GLE Class, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you find the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Mercedes Benz GLE Class and then what the causes and solutions to alternator noise on Mercedes Benz GLE Class may be.alternator-noise-mercedes-benz-gle-class

Role and alternator operation Mercedes Benz GLE Class

Alternator role

Your alternator is an essential component of your Mercedes Benz GLE Class. Indeed, its mission is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging 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 operates on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine motor itself that will give the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercedes Benz GLE Class engine stops, the battery takes over to give the automobile with energy.

What are the several alternator noises or sounds on my Mercedes Benz GLE Class and what are the causes?

I notice a knocking noise coming from the alternator of my Mercedes Benz GLE Class

One of the typical noises of a tired alternator on Mercedes Benz GLE Class is a knocking noise. This alternator sound on Mercedes Benz GLE Class will generally appear when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical parts such as headlights for example. Most often, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your automobile with the engine running and you must obtain 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 Benz GLE Class is tired and you should think about changing the bearing if it is the only cause otherwise the whole part.

I discover a grinding noise coming from the alternator of my Mercedes Benz GLE Class

If you are in the situation where the alternator of your Mercedes Benz GLE Class generates grinding sounds, in this case you will have to check it more seriously. This sign can testify as for the knocking sound of a tired bearing, but generally, we generally realise by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we advise that you consult this article to find all the necessary information to solve an accessory belt noise on Mercedes Benz GLE Class.

I discover a loud noise from the alternator of my Mercedes Benz GLE Class

Listening a loud noise from the alternator of your Mercedes Benz GLE Class is quite normal, in fact, it emits 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 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 advise that you check out this article to find other ways to solve problem of noises from front end on Mercedes Benz GLE Class.