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 least you’ve already had that apprehension. So when you find out an alternator noise on Mercedes Slk, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to help you locate the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Mercedes Slk and then what the causes and solutions to alternator noise on Mercedes Slk may be.
Role and alternator operation Mercedes Slk
Alternator role
Your alternator is an important component of your Mercedes Slk. In fact, its objective is to generate 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 enough energy reserve 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 motor itself that will provide the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Mercedes Slk engine stops, the battery takes over to provide the automobile with energy.
What are the several alternator noises or sounds on my Mercedes Slk and what are the causes?
I notice a knocking noise originating from the alternator of my Mercedes Slk
One of the typical noises of a tired alternator on Mercedes Slk is a knocking noise. This alternator sound on Mercedes Slk will generally happen when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical elements such as headlights for example. Most often, it is a of both bearings of the alternator that is malfunctioning, to examine 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 Slk is tired and you should think about changing the bearing if it is the only cause otherwise the entire part.
I find out a grinding noise coming from the alternator of my Mercedes Slk
If you are in the situation where the alternator of your Mercedes Slk produces grinding sounds, in this circumstance you will have to look into it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, however , in general, we often realize by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we encourage that you consult this article to find all the necessary information to solve an accessory belt noise on Mercedes Slk.
I find out a loud noise from the alternator of my Mercedes Slk
Listening a loud noise from the alternator of your Mercedes Slk is quite regular, in fact, it produces an audible sound when creating the electrical pulses it generates. It is up to you to examine 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 look into this article to find other ways to solve problem of noises from front end on Mercedes Slk.
