We have dedicated this website to help you solve the little problems you can face with your car . Today, we are going to take a look at a problem that may seem unimportant but that promptly turns out to be frustrating if it is not repaired. Indeed, we are going to support you to know how to replace my Mercedes Classe B 2 card battery? The benefit of cards is that they work hands-free, but without electricity your card will be useless. That’s why, first, we will see how the card functions, then how to change the battery of the card of your Mercedes Classe B 2?, and, at last, which is the battery that matches to the card of your Mercedes Classe B 2.
How does the key card of your Mercedes Classe B 2 operate?
Before we teach you how to change the batteries in your Mercedes Classe B 2 hands-free card, we will promptly illustrate how it works and the benefits it will provide you. Who hasn’t had difficulty locating their car keys in their bag or pocket? For a few years now, car manufacturers have been looking into this issue. With the advent of new wireless technologies, key problems will promptly become a thing of the past! We are going to present you the product features and operation of your car key card now:
- It uses a wireless technology that emits a frequency of 433 MHz.
- Receivers/transmitters are present on the car and on the card so that both can communicate.
- It permits you to open the Mercedes Classe B 2 simply by passing your hand in front of the door or by pulling the handle when the card is near your car
- There are two types of key card, one that permits to open and close like a centralized lock with the support of a press button, and the other one that allows to open without even touching the card.
- There is a spare key in the card so that you can open the door and start your Mercedes Classe B 2 if you run out of battery power.
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How do I replace the card battery of my Mercedes Classe B 2?
We will now move on to the part that interests you the most in this article content, how to change the key card battery of an Mercedes Classe B 2? Effectively this wireless technology needs energy to operate. When the batteries of your card are dead you will not be able to wireless open the doors of your car, but with the help of the integrated physical key you can do it physically. Regarding the ignition, all you have to do is insert the card in the slot provided for this purpose, even without a battery, it has a chip that allows your car to start. We now move on to the procedure for replacing the battery of the card in your Mercedes Classe B 2:
- Press the button at the bottom and pull out the emergency key simultaneously.
- You will need to see a tab that will allow you to open the case of your card in half.
- Use a thin object to take out the used battery from the card
- Install the new battery in the slot provided.
- Close the card.
- On some models it will work instantly, on others you will have to press the button 4 times to reactivate it.
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Which category of battery to purchase for the card of my Mercedes Classe B 2?
Finally, to finish our article content we will support you to select the card battery type of your Mercedes Classe B 2. They all look very similar and it is not always easy to select the correct one. It is a button size 3V Lithium CR battery, concerning the number of the battery according to the year of your Mercedes Classe B 2, it can be either the 2016, the 2032 or the 1620.
To get more tips on the Mercedes Classe B 2, take a look at the Mercedes Classe B 2 category.
