With cold weather coming, automobiles often suffer, the most basic case is to have difficulties starting your Mercedes Classe A 4 early in the day with very low temperatures. In general this is related to problems recharging the battery of your Mercedes Classe A 4 . There are several reasons that can explain why your battery does not recharge properly anymore, and in this article we will try to help you to fix this issue that can prevent you from using your car. To accomplish this, first we will explain how recharging your car battery works, then the different problems of recharging a Mercedes Classe A 4, and finally how to recharge an empty car battery.
How does recharging the battery of a Mercedes Classe A 4 work?
Before we detail the different complications of recharging the battery on a Mercedes Classe A 4 , we will explain to you how its recharging system operates so that you can understand the complications you are facing. A car battery works like a phone battery, it will store energy to start your Mercedes Classe A 4 , turn on your headlights, enjoy music, lower your power windows… Nevertheless all these actions will consume energy and it may possibly 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 A 4 to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . Nevertheless, consider that this process can only work when your motor vehicle is running, using electrical elements of your car when it is stopped will drain 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 A 4’s battery
We will now describe the different battery charging complications on a Mercedes Classe A 4 you may 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 A 4: My battery is discharging even if I am recharging it with a specific 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 A 4 to start, the problem obviously originates from your alternator which should not be able to generate any more current.
Battery charging issue on Mercedes Classe A 4: My car shuts off and does not start even if I have charged the battery
If you have recharged your battery and you have managed to start your Mercedes Classe A 4 but it switches off while you are driving and then does not start, the issue with recharging the battery of your Mercedes Classe A 4 is that your battery no longer holds the charge .
Battery charging issue on Mercedes Classe A 4: 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 likely originates 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 A 4?
We will now give you the solutions according to the issue you are facing. Here are the different complications and their solutions:
- Defective 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, changing it is the best solution, based on your motor you will pay a few hundred euros. This repair is feasible in case 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 solution. 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 A 4 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 car electrician is in such a case required.
How to recharge an empty battery of a Mercedes Classe A 4
Finally, to recharge the empty battery of a Mercedes Classe A 4 there are only few solutions, using a battery charger is the most efficient solution, you can discover some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will only provide the energy needed to begin.
If you have any further questions about the Mercedes Classe A 4, do not hesitate to consult our Mercedes Classe A 4 category.
