We have dedicated this website to help you solve the little problems you can face with your car . In this guide, we are going to look at a problem that may seem minor but that fairly quickly turns out to be annoying if it is not solved. Indeed, we are going to help you to know how to replace my Mercedes Benz GL Class card battery? The benefit of cards is that they work hands-free, but without electric power your card will be ineffective. That’s why, first, we will see how the card works, then how to replace the battery of the card of your Mercedes Benz GL Class?, and, at last, which is the battery that matches to the card of your Mercedes Benz GL Class.


How does the key card of your Mercedes Benz GL Class operate?

Before we teach you how to replace the batteries in your Mercedes Benz GL Class hands-free card, we will quickly explain how it works and the benefits it will offer you. Who hasn’t had problems locating their car keys in their bag or pocket? For a few years now, car suppliers have been looking into this problem. With the advent of new wireless technologies, key problems will quickly become a thing of the past! We are going to show you the 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 motor vehicle and on the card so that both can intercommunicate.
  • It allows you to open the Mercedes Benz GL Class simply by passing your hand in front of the door or by pulling the handle when the card is near your car
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  • There are two types of key card, one that allows 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 Benz GL Class if you run out of battery power.

How do I replace the card battery of my Mercedes Benz GL Class?

We will now go forward to the part that interests you the most in this document, how to replace the key card battery of an Mercedes Benz GL Class? Effectively this wireless technology necessitates energy to operate. When the batteries of your card are flat you will not be able to wireless open the doors of your motor vehicle, but with the help of the integrated physical key you can do it physically. Relating to the ignition, all you have to do is place 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 Benz GL Class:

  • 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 thing to take off the flat battery from the card
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  • Install the new battery in the slot provided.
  • Close the card.
  • On some models it will work automatically, on others you will have to press the button 4 times to reactivate it.
  • Which type of battery to use for the card of my Mercedes Benz GL Class?

    At last, to finish our article we will help you to select the card battery type of your Mercedes Benz GL Class. They all look very identical and it is not always easy to select the correct one. It is a button size 3V Lithium CR battery, relating to the number of the battery according to the year of your Mercedes Benz GL Class, it can be either the 2016, the 2032 or the 1620.

    Whenever you have any further questions about the Mercedes Benz GL Class, do not hesitate to consult our Mercedes Benz GL Class category.