The battery of your vehicle is a wearing part, it is most of the time considered that it will have between 5 and 6 years of life. You may have found yourself one morning with a dead battery and not having the ability to start your Mercedes Classe A 4. And frequently this is brought on by a battery that no longer stores energy. So in this case, how do I disconnect the battery from my Mercedes Classe A 4? Precisely, our team has made this article content in order to help you do this simple task safely and securely. Initially, we will give you some suggestions on how to do it safely, and then we will put it into practice and how to disconnect the battery on your Mercedes Classe A 4.

disconnect-battery-mercedes-classe-a-4

How to disconnect the battery on my Mercedes Classe A 4: A few tips

First of all, before dealing with how to disconnect the battery from your Mercedes Classe A 4, we will give you a few suggestions on how to do this procedure securely and save you from wasting time, some of them will surely seem to be evident to you, but you can never be too careful :

  • Before doing anything on your car, you must always place it on a flat surface with the hand brake on to avoid any movement of the Mercedes Classe A 4.
  • The battery in your car is an energy accumulator, and can likely send out a deadly charge to humans, so you will need to bear in mind to turn off your vehicle’s ignition and remove any jewelry or metal objects you may be wearing to be sure you take as little risk as possible.
  • Additionally to being filled with energy, the battery will be filled with acid, a very corrosive chemical substance that can do a lot of damage to your skin. As a safety measure, wear rubber gloves and goggles to protect you from splashing.
  • Finally when you go to the section how to disconnect the battery on your Mercedes Classe A 4, don’t touch the two terminals of your battery, you may cause a short circuit with your body as a conductor.

How to disconnect a battery on my Mercedes Classe A 4: Take action

Let’s begin now, the part that surely brings you here, how to disconnect a battery on your Mercedes Classe A 4. So, after having taken all the measures we listed just above, you will finally be able to attack the removal of the battery from your car. To do this, it will be fairly simple. First you will have to take away the plastic covers that protect the terminals of your battery. Check the state of your terminals, if they are oxidized or very dirty, we advise you to use a soft wire brush and baking soda to clean them before disassembling. Once the cleaning is achieved, you will first have to remove the negative battery terminal of your car using a nut and bolt (this is the black cable with a “-” sign), always in this direction as it is connected to the car chassis, if you first remove the positive terminal (red cable with a “+” sign) and touch a part of the chassis, it would trigger a short circuit. Now you can disconnect the positive terminal of the battery from your Mercedes Classe A 4. Once both terminals are disconnected, you can commence the last step, disconnect the battery from the engine compartment of your car. To do this, you just have to remove the rod and the clamp, generally held by a nut or a torx bolt, and take it out of its place. Be careful though, a battery weighs very heavy, be careful and forceful, and also think about take it out vertically to prevent any acid leakage. That’s it, you have just discovered the method for how to disconnect a battery on your Mercedes Classe A 4, if you stick to all the safety instructions, everything should go well. If you want to learn how to safely reconnect your battery, check out this article content, and if you want more information about your Mercedes Classe A 4, we have a directory of articles dedicated to your vehicle.

To get more tips on the Mercedes Classe A 4, take a look at the Mercedes Classe A 4 category.