With winter season coming, cars often suffer, the most common scenario is to have difficulties starting your Mercedes Classe E in the morning with very low temperatures. Generally this is related to problems recharging the battery of your Mercedes Classe E . There are some reasons that can show you why your battery does not recharge properly anymore, and today we will try to help you to solve this issue that can prevent you from using your car. To achieve this, first we will show you how recharging your car battery works, then the different problems of recharging a Mercedes Classe E, and finally how to recharge an empty car battery.

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How does recharging the battery of a Mercedes Classe E function?

Before we detail the different problems of recharging the battery on a Mercedes Classe E , we will show you to you how its recharging system functions so that you can figure out the problems you are struggling with. A car battery works like a phone battery, it will store energy to start your Mercedes Classe E , turn on your headlights, listen to music, lower your power windows… Nevertheless all these actions will consume energy and it might deplete the energy reserve that your battery can store. To get over this issue, the engineers have designed a element called the alternator , this element will use the energy developed by the engine of your Mercedes Classe E to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . Nevertheless, take into account that this process can only work when your motor vehicle is running, using electrical elements of your car when it is stopped will decrease the energy reserve of your car. It is considered that a battery of a xxx has a life span of 3 to 5 years.

Problems recharging a Mercedes Classe E’s battery

We will now describe the different battery charging problems on a Mercedes Classe E you may be victim of. If your battery is not recharging because there is necessarily a issue in your electrical installation, we will now see the different cases.

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

In this first circumstance, it is quite possible that your alternator is dead , indeed, if you control to recharge your battery with a charger and your Mercedes Classe E 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 E: My car 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 E but it switches off although you are driving and then does not start, the trouble with recharging the battery of your Mercedes Classe E is that your battery no longer holds the charge .

Battery charging issue on Mercedes Classe E: My battery is discharged nevertheless it is new

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

How to solve the issue of battery charging on Mercedes Classe E?

We will now give you the solutions according to the issue you are struggling with. Here are the different problems and their solutions:

  • Defective alternator: You can try with simple mechanics to check it with a pressure gauge to see if it’s producing power. If it doesn’t, replacing it is the best remedy, 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 such a case, the purchase of a new battery is the only realistic remedy. Indeed, 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 E 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 check by a car electrician is in this case necessary.

How to recharge an empty battery of a Mercedes Classe E

Finally, to recharge the empty battery of a Mercedes Classe E there are only few solutions, using a battery charger is the most efficient remedy, 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 start.

To get more tips on the Mercedes Classe E, take a look at the Mercedes Classe E category.