With winter season coming, cars often suffer, the most general situation is to have troubles starting your Mercedes Classe S in the morning with very low temperatures. Generally speaking this is related to problems recharging the battery of your Mercedes Classe S . There are some factors that can show you why your battery does not recharge correctly anymore, and in this article we will try to help you to fix this issue that can prevent you from using your motor vehicle. To do this, first we will show you how recharging your car battery works, then the different problems of recharging a Mercedes Classe S, and at last how to recharge an empty car battery.

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How does recharging the battery of a Mercedes Classe S work?

Before we describe the different complications of recharging the battery on a Mercedes Classe S , we will show you to you how its recharging system functions so that you can discover the complications you are facing. A motor vehicle battery works like a phone battery, it will store energy to start your Mercedes Classe S , turn on your headlights, play music, lower your power windows… Nevertheless all these actions will consume energy and it may deplete the energy reserve that your battery can store. To overcome this issue, the engineers have produced a element called the alternator , this element will use the energy produced by the engine of your Mercedes Classe S to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, bear in mind that this process can only work when your car is running, using electrical components of your motor vehicle when it is stopped will decrease the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.

Problems recharging a Mercedes Classe S’s battery

We will now describe the different battery charging complications on a Mercedes Classe S you might be victim of. If your battery is not recharging because there is actually a issue in your electrical set up, we will now see the different situations.

Battery charging problem on Mercedes Classe S: My battery is discharging regardless if I am recharging it with a particular charger

In this first case, it is quite possible that your alternator is dead , obviously, if you control to recharge your battery with a charger and your Mercedes Classe S to start, the problem most certainly comes from your alternator which should not be able to generate any more current.

Battery charging issue on Mercedes Classe S: My motor vehicle shuts off and does not start regardless if I have charged the battery

If you have recharged your battery and you have managed to start your Mercedes Classe S but it switches off while you are driving and then does not start, the problem with recharging the battery of your Mercedes Classe S is that your battery no longer holds the charge .

Battery charging issue on Mercedes Classe S: My battery is discharged although it is new

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If you’ve just bought a battery and it discharges while you’re driving, the issue most probably comes from your alternator. It cannot originate from your battery, which is new and consequently holds the charge. The second opportunity is that you have a ground somewhere in your electrical system.

How to fix the issue of battery charging on Mercedes Classe S?

We will now give you the solutions according to the issue you are facing. Here are the different complications and their solutions:

  • Faulty alternator: You can try with simple mechanics to verify it with a pressure gauge to see if it’s producing power. If it doesn’t, replacing it is the best solution, based on your motor you will pay a few hundred euros. This repair is feasible in the event your alternator is accessible.
  • Battery that no longer holds the charge: In this case, the purchase of a new battery is the only realistic solution. In truth, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros based on your engine.
  • Ground in the electrical circuit: If you cannot start your Mercedes Classe S but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a verify by a motor vehicle electrician is in such a case required.

How to recharge an empty battery of a Mercedes Classe S

At last, to recharge the empty battery of a Mercedes Classe S there are only few solutions, using a battery charger is the most efficient solution, you can locate some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will only provide the energy needed to begin.

If you want more tutorials on the Mercedes Classe S, go to our Mercedes Classe S category.