How To Change Mercedes Key Battery 2020?

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Last Updated on September 22, 2022 by Ellis Gibson (B.Sc. in Mechanical Engineering)

If your key fob has a dead battery, it can be frustrating. You may not be able to open your car doors or start the ignition. In this article, we will show you how to change the key fob battery on a 2017 – 2020 Mercedes.

So, how to change mercedes key battery 2020?

To change the battery in your Mercedes-Benz key fob, start by prying open the key fob casing with a small flathead screwdriver. Next, remove the old battery and insert the new one, making sure the positive side is facing up. Finally, reassemble the key fob and test it to make sure it works.

Let’s dig into it and see if we can figure it out.

Step By Step Process On: How To Change Mercedes Key Battery 2020?

Here I will explain you step by step process of how to change mercedes key battery 2020? let’s see how to change mercedes key battery 2020.

REQUIRED TOOLS:

1.A valet key for a mercedes 2. A new CR2032 battery 3. A sharp tool (for opening the key fob)

Step-01:

To change the mercedes key battery 2020, first you need to pull the valet key out by pressing the button and pulling on the key.

Step-02:

Once the valet key is out, you will notice a little tab. Use your fingernail or a sharp tool to pull the tab out.

Step-03:

The battery is now exposed. Notice that it is a cr2032, a three volt battery. You can just replace that battery with a new one.

Step-04:

Put the cover back on and insert the valet key. You’re now ready to go!

If you wanted to watch a youtube video that shows you how to change mercedes key battery 2020? I have included a video below:

What Battery Does A 2019 Mercedes Key Take?

Your Mercedes-Benz is equipped with some of the latest and most technologically advanced features available on the market today. One of these features is the keyless start system, which allows you to start your vehicle without the need to insert a key into the ignition. This system uses a key fob, which contains a small battery, to transmit a signal to the vehicle that tells it to start.

If you own a Mercedes-Benz with a keyless start system, it is important to know what type of battery your key fob uses and how to change it when necessary. The two most common types of batteries used in key fobs are CR2025 and CR2032.

The CR2025 battery is a 3-volt coin-type battery that is commonly used in key fobs. This type of battery is typically found in older model key fobs. To change the battery in a key fob that uses a CR2025, simply open the key fob by unscrewing the back cover. Once the back cover is removed, you will see the battery inside. Remove the old battery and replace it with a new CR2025 battery. Be sure to dispose of the old battery properly.

The CR2032 battery is a 3-volt button-type battery that is commonly used in newer model key fobs. To change the battery in a key fob that uses a CR2032, open the key fob by pushing the release button on the back. Once the back cover is removed, you will see the battery inside. Remove the old battery and replace it with a new CR2032 battery. Be sure to dispose of the old battery properly.

If you are unsure of what type of battery your key fob uses, consult your owner’s manual or contact your local Mercedes-Benz dealership for assistance.

Furthermore, To get the right batteries for your Smart Key, you need to pull the latch at the end of the key holder. Stick your key horizontally into the open slot and lift the battery compartment out. You will need two CR 2025 batteries for your Smart Key.

How Do You Open A 2021 Mercedes Key Fob?

If you’re like most people, you probably don’t know how to open a 2021 Mercedes key fob. Here’s a quick and easy guide on how to do it:

1. Look for the small button on the side of the key fob.

2. Press and hold the button for a few seconds.

3. The key fob should now open up.

4. If it doesn’t open, try pressing and holding the button for a longer period of time.

5. If the key fob still doesn’t open, contact a Mercedes dealership or locksmith for assistance.

Where Is The Battery On 2021 Mercedes?

If you’re looking for the battery on your 2021 Mercedes, you’ll find it located under the driver’s seat. To access it, simply slide the seat all the way forward. Once you’ve done that, you’ll be able to see the battery and easily remove it if necessary.

If you need to replace the battery, you can do so easily by following the same steps. Simply purchase a new battery that is compatible with your Mercedes model, and then follow the instructions above to replace the old one.

As well as that, The battery is located under the driver’s seat. You will need to slide the seat all the way forward to access it. Once you are in the back seat, use a pry bar or screwdriver to pry off the cover that rests under the seat.

How Do I Replace The Battery In My Mercedes Key Fob?

If you find yourself asking this question, don’t worry – you’re not alone. Many Mercedes owners find themselves in the same predicament, and it can be a bit tricky to figure out. But never fear, we’re here to help.

First things first: you’ll need to locate the battery cover. This is usually located on the back of the key fob, and is usually held in place by a small screw or clip. Once you’ve located the cover, you can proceed to the next step.

Next, you’ll need to remove the old battery. This can be done by gently prying it out with a small flathead screwdriver or a similar tool. Once the old battery is out, you can insert the new one. Make sure that the positive and negative sides are facing the correct way before you insert it.

Finally, replace the battery cover and screw or clip it back into place. And that’s it – you’ve successfully replaced the battery in your Mercedes key fob.

Final Word

If you need to change the battery in your key fob, follow these steps:

1. Start by opening the key fob. There is usually a small notch or hole on the side that you can insert a small tool into to pry it open. 2. Once the key fob is open, you will see the battery inside. It will be obvious which way the battery needs to be oriented in order to make contact with the electrical terminals. 3. Gently remove the old battery and insert the new one in its place. 4. Close up the key fob and you should be good to go!

If your key fob starts acting wonky or doesn’t seem to be working as well as it used to, changing the battery is a quick and easy fix that is definitely worth trying first.

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