We are used to accompanying you in the small problems that go with the use of your car. Today, we are going to see a concern that may seem minor but that quickly turns out to be bothering if it is not corrected. In truth, we are going to help you to know how to replace my Mercedes Classe B 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 replace the battery of the card of your Mercedes Classe B?, and, finally, which is the battery that corresponds to the card of your Mercedes Classe B.
How does the key card of your Mercedes Classe B function?
Before we describe how to replace the batteries in your Mercedes Classe B hands-free card, we will promptly explain how it works and the benefits it will offer you. Who hasn’t had problem finding their car keys in their bag or pocket? For a few years now, car brands have been looking into this issue. With the advent of new wireless systems, 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 connect.
- It permits you to open the Mercedes Classe B simply by passing your hand in front of the door or by pulling the handle when the card is in close proximity to your car
- There are two versions of key card, one that permits to open and close like a centralized locking mechanism with the help 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 if you run out of battery power.
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How do I change the card battery of my Mercedes Classe B?
We will now go forward to the part that interests you the most in this article, how to replace the key card battery of an Mercedes Classe B? Effectively this wireless technology necessitates energy to function. When the batteries of your card are lifeless 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 by hand. Relating to the ignition, all you have to do is put the card in the slot included 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:
- Press the button at the bottom and pull out the emergency key concurrently.
- You will need to see a tab that will allow you to open the case of your card in half.
- Use a slim object to remove the flat battery from the card
- Put in the new battery in the slot provided.
- Close the card.
- On some models it will work immediately, on others you will have to press the button 4 times to reactivate it.
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Which kind of of battery to purchase for the card of my Mercedes Classe B?
At last, to finish our short post we will help you to select the card battery type of your Mercedes Classe B. They all look very similar and it is not always easy to select the right one. It is a button size 3V Lithium CR battery, relating to the number of the battery according to the year of your Mercedes Classe B, it can be either the 2016, the 2032 or the 1620.
If you need more tutorials on the Mercedes Classe B, go to our Mercedes Classe B category.
