We are used to accompanying you in the small problems that go with the use of your car. In this guide, we are going to look at a concern that may seem insignificant but that promptly turns out to be bothering if it is not solved. Indeed, we are going to support you to know how to replace my Mercedes Cla card battery? The benefit of cards is that they work hands-free, but with no electricity your card will be useless. That’s why, first, we will see how the card works, then how to replace the battery of the card of your Mercedes Cla?, and, finally, which is the battery that corresponds to the card of your Mercedes Cla.
How does the key card of your Mercedes Cla function?
Before we demonstrate how to replace the batteries in your Mercedes Cla hands-free card, we will fairly quickly illustrate how it works and the benefits it will provide you. Who hasn’t had problems 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 solutions, key problems will fairly quickly become a thing of the past! We are going to show 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 allows you to open the Mercedes Cla simply by passing your hand in front of the door or by pulling the handle when the card is next to your car
- There are two types of key card, one that allows 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 Cla if you run out of battery power.
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How do I replace the card battery of my Mercedes Cla?
We will in this part move on to the part that interests you the most in this article content, how to replace the key card battery of an Mercedes Cla? Effectively this wireless technology necessitates energy to function. When the batteries of your card are flat 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. Concerning the ignition, all you have to do is insert 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 Cla:
- 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 slim thing to take off 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 buy for the card of my Mercedes Cla?
At last, to conclude our content page we will support you to select the card battery type of your Mercedes Cla. They all look very similar and it is not always easy to select the good one. It is a button size 3V Lithium CR battery, concerning the number of the battery according to the year of your Mercedes Cla, it can be either the 2016, the 2032 or the 1620.
If you wish more guides on the Mercedes Cla, go to our Mercedes Cla category.
