If you ever find your Mercedes key fob not working or if it’s getting power to the fob but not recognizing your car’s locked, first check to see if the battery is low. If it is, replace it with a new one. Mercedes-Benz offers several types of key fobs that can be replaced without having to take your car in for an inspection.
What is a A Battery In A Mercedes Key Fob? 
Can’t unlock/lock your Mercedes-Benz due to a dead key fob battery? Learn how to fix the problem by replacing the dead battery on your Key Fob.
Watch the video above or scroll down below to find step-by-step instructions. No programming is required when changing the Mercedes-Benz key fob battery.
The most common battery used in Mercedes-Benz keys is a CR2025 battery. The battery size is listed below each key picture.
Install the new battery. Slide the inner part back in the key. Slide the metal key back into the keyfob.
Remove the metal key from the keyfob. Slide the release at the end of the key to slide out the metal key.
What happens when the A Battery In A Mercedes Key Fob is low?
When a battery in a Mercedes key fob is low, theMercedes key fob will not work.
More clicks than usual: You may not notice it because sometimes they might just click and click until what they want to happens does. But if you notice you have to click X amount of times more than what is recommended, then that’s a good sign that the key fob battery is wearing down.
Batteries wear out; that’s what they do. To avoid a problem with your Mazda key fob battery: what know. You can prepare for this situation in two very fruitful ways.
Most Mercedes dealerships will sell new keys to customers even if they did not initially purchase their car from the dealership.
How long do A Battery In A Mercedes Key Fob last?
Do you ever lose your keys or fob? Mercedes-Benz provides a two-year warranty on key fobs. So, if your key fob lasts that long, you can be sure it’s worth spending the money on a new one.
The “symptoms of low battery in key fob” is a question that I am asked quite often. The answer to this question, is not always easy to find.
The “what type of battery for mercedes key fob” is a question that has been asked by many people.
Theres no need to worry. Mercedes-Benz of Greenwich is here to teach you the low battery warning signs to watch out for, as well as how to change the battery in your Mercedes-Benz key fob.
How to change the battery on the Mercedes Benz Smart Key Fob. How do you know you need a new battery? The remote lock or unlock range is poor. Or even worse, door lock/ unclock is not even working. These videos will show how to change the battery on different Mercedes-Benz Key Fob Remotes. There are several Mercedes Smart Key remotes so make sure to look at the correct video.
Can I replace the A Battery In A Mercedes Key Fob myself?
Yes, you can replace the battery in a Mercedes key fob! Here are some tips on how to do this:
- Make sure that your Mercedes key fob is working properly by checking its batteries. If they are not, you may need to replace them.
- Remove any protective film from the battery terminals. Be careful not to damage the terminals while doing this.
- Be very careful not to break or cut the plastic cover!
- Replace the battery with a new one according to your instruction book or online bank account instructions.
No matter what type of key fob you have, you can replace the battery in a few minutes. The technique to open the fob and the battery you need differs slightly depending on the specific key fob you own. Pry open the fob, then swap the old battery out for a new one. Your key fob should then work as intended once again.
Some fobs have clips over the battery. Lift the clips with the screwdriver to free the battery. Move slowly, lifting the clips as gently as possible to avoid breaking them.
My wife changed her key fob battery today and now the driver side headlights and tail lights wont turn off.
i replaces battery for remote key for Mercedes e 320 work only for a week replace battery again not work at all !!! what is next step please.
How to change the battery on the Mercedes Benz Smart Key Fob. How do you know you need a new battery? The remote lock or unlock range is poor. Or even worse, door lock/ unclock is not even working. These videos will show how to change the battery on different Mercedes-Benz Key Fob Remotes. There are several Mercedes Smart Key remotes so make sure to look at the correct video.
When do you change the A Battery In A Mercedes Key Fob?
When you change the battery in a Mercedes key fob, it is important to take care to do so in a safe and manner. Doing so may prevent negative consequences for your car or yourself.
Yes, you can use a CR2032 instead of a CR2025 in your Mercedes key. The CR2032 is a slightly larger battery, but it will work just fine in your key fob. You may want to consider replacing the battery with a fresh one every few years to ensure optimal performance.
Use a small screwdriver or another sharp object to pry open the back of the key fob case. Be careful not to damage the case while doing this.
How to change the battery on the Mercedes Benz Smart Key Fob. How do you know you need a new battery? The remote lock or unlock range is poor. Or even worse, door lock/ unclock is not even working. These videos will show how to change the battery on different Mercedes-Benz Key Fob Remotes. There are several Mercedes Smart Key remotes so make sure to look at the correct video.
Theres no need to worry. Mercedes-Benz of Greenwich is here to teach you the low battery warning signs to watch out for, as well as how to change the battery in your Mercedes-Benz key fob.
How often do you change the A Battery In A Mercedes Key Fob?
How often do you change the a battery in a mercedes key fob? The answer to this question is difficult to determine, as it varies from person to person. Generally speaking, however, most people change the batteries on their key fobs about once a year.
How to change the battery on the Mercedes Benz Smart Key Fob. How do you know you need a new battery? The remote lock or unlock range is poor. Or even worse, door lock/ unclock is not even working. These videos will show how to change the battery on different Mercedes-Benz Key Fob Remotes. There are several Mercedes Smart Key remotes so make sure to look at the correct video.
My wife changed her key fob battery today and now the driver side headlights and tail lights wont turn off.
This is the time when you should think about replacing the Mercedes key battery of your vehicle. This must be done because, even though it is possible to use the manual key hidden inside the main key housing, yet you would need your smart key for accessing a whole range of other functions.
they take pride in asserting the fact that they are well stocked with all kinds of OEM equipment. However, should there be a need to replace any parts on the smart key of your Mercedes Benz vehicle, you can rest assured they at Mercedes Benz Techs can do the same while simultaneously and strictly following all factory specifications.
How much does a A Battery In A Mercedes Key Fob cost?
Mercedes-Benz is known for its high quality and efficiency, and one of the ways that they ensure this is by ensuring that their customers have reliable batteries. When it comes to key fobs, many people are might be unaware of the fact that these can also come with A batteries in them. To put this into perspective, a battery in a key fob costs around $20AUD/CAD.
For 2017 Mercedes-Benz or later, you need to opt for the newest type of Mercedes-Benz key fob. These key fobs opt for a CR2032 battery.
After selecting the key fob, select the desired battery for your Mercedes Benz. The best battery to consider includes the cr2025 battery. You can say that they are the Best cr2025 battery to opt for Mercedes key fob.
Are you searching for the best battery for your Mercedes key fob? But wait, let’s consider these factors before opting for the fob battery. This handy buying guide will help you find the best battery for a key fob in this vast marketplace.
How to change the A Battery In A Mercedes Key Fob?
You can change the battery in a Mercedes-Benz key fobs by following these simple steps:
- Remove the key fob from the vehicle.
- Open the battery door by pressing the button on the side of the key fob.3.
- Index your fingers along one edge of the battery cover and pull it away from the key fob so that you can exposethe cells inside.
- Insert a new AA or AAA battery into one of the cells inside the battery cover, then replace both covers back on to their original positions.
After battery change, or after buying a new key fob, you may need to program and sync the key fob. Here are the simple steps to program the key fob.
The Mercedes key fob uses a CR2025 lithium battery that gives 3volts. The battery is a primary battery meaning it cannot be recharged.
The battery of the key fob does not cease just one day. It is a gradual process. The battery produces power by chemical reactions within the battery.
When you input the key fob into the start-stop button, an inductive current from the car battery flows to the key fob to enable it to function.
5 simple steps to replace the A Battery In A Mercedes Key Fob
If your Mercedes key fob has a battery, it’s time to replace it. Here are five simple steps to do so:
- Remove the key fob from the car and take out the battery
- Disconnect the negative power cable
- Remove the old battery
- Place the new battery in its place
The Mercedes key fob uses a CR2025 lithium battery that gives 3volts. The battery is a primary battery meaning it cannot be recharged.
After battery change, or after buying a new key fob, you may need to program and sync the key fob. Here are the simple steps to program the key fob.
Note: Some older versions of chrome key fobs had a circular panic button and used 2 CR2025 batteries. The newer chrome key fobs have triangular panic buttons.
The battery of the key fob does not cease just one day. It is a gradual process. The battery produces power by chemical reactions within the battery.
What’s the cost to replace a A Battery In A Mercedes Key Fob?
Replacing a battery in a Mercedes key fob can be expensive. The cost of replacement batteries varies depending on the make and model of the device, but typically it costs around $50.
The Mercedes key fob uses a CR2025 lithium battery that gives 3volts. The battery is a primary battery meaning it cannot be recharged.
The battery of the key fob does not cease just one day. It is a gradual process. The battery produces power by chemical reactions within the battery.
After battery change, or after buying a new key fob, you may need to program and sync the key fob. Here are the simple steps to program the key fob.
i replaces battery for remote key for Mercedes e 320 work only for a week replace battery again not work at all !!! what is next step please.
How to change the battery on the Mercedes Benz Smart Key Fob. How do you know you need a new battery? The remote lock or unlock range is poor. Or even worse, door lock/ unclock is not even working. These videos will show how to change the battery on different Mercedes-Benz Key Fob Remotes.
There are several Mercedes Smart Key remotes so make sure to look at the correct video.
Summary
If you’re ever having trouble changing a battery in your Mercedes key fob, there are a few things you can do.
- try starting with the bottom battery. This should work best because it’s less likely to be covered in dust or other debris. If that doesn’t work, try the top battery.
- if all of those don’t work and you still can’t change the battery, it might be time to take it to a mechanic.