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 , at minimum you’ve already had that fear. So when you perceive an alternator noise on Mercedes Benz GL Class, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content 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 GL Class and then what the causes and solutions to alternator noise on Mercedes Benz GL Class may be.
Role and alternator operation Mercedes Benz GL Class
Alternator role
Your alternator is an vital part of your Mercedes Benz GL Class. Indeed, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission 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 operates on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercedes Benz GL Class engine stops, the battery takes over to furnish the vehicle with energy.
What are the distinctive alternator noises or sounds on my Mercedes Benz GL Class and what are the causes?
I discover a knocking noise coming from the alternator of my Mercedes Benz GL Class
One of the typical noises of a tired alternator on Mercedes Benz GL Class is a knocking noise. This alternator sound on Mercedes Benz GL Class will generally occur when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical elements such as headlights for example. Often, it is a of both bearings of the alternator that is malfunctioning, to check 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 Benz GL Class is tired and you should think about replacing the bearing if it is the only reason otherwise the whole part.
I perceive a grinding noise coming from the alternator of my Mercedes Benz GL Class
If you are in the case where the alternator of your Mercedes Benz GL Class generates grinding sounds, in this circumstance you will have to look into it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , in most cases, we generally realise by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we suggest that you consult this content to find all the necessary details to solve an accessory belt noise on Mercedes Benz GL Class.
I perceive a loud noise from the alternator of my Mercedes Benz GL Class
Listening a loud noise from the alternator of your Mercedes Benz GL Class is quite regular, in fact, it produces an audible sound when creating 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 suggest that you take a look at this content to find other ways to solve problem of noises from front end on Mercedes Benz GL Class.
