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Best Battery For Mercedes Key Fob (2024 Update)

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If you're looking for a reliable battery for your Mercedes key fob, there are a few things to consider before making your purchase. It's important to choose the best battery to ensure optimal performance and avoid any potential malfunctions. One important factor to keep in mind is the specific type of battery required for your Mercedes model. Make sure to refer to your owner's manual or consult with a professional to determine the correct size and type needed.

Another essential factor to consider when purchasing a battery for your Mercedes key fob is the battery life. It's important to choose a long-lasting battery that will save you time and money in the long-run and prevent the inconvenience of frequently replacing your key fob battery. Additionally, the overall quality and reliability of the battery are crucial factors to keep in mind.

Are you tired of constantly replacing your Mercedes key fob battery? Want to ensure optimal performance and avoid any potential malfunctions? Read on to discover the best battery options for your Mercedes key fob. Are you unsure of the specific battery size and type needed for your Mercedes model? Have no fear, as this article covers everything you need to know to make an informed decision. Don't miss out on the opportunity to upgrade your Mercedes key fob battery and enjoy optimal performance for years to come.

10 Best Battery For Mercedes Key Fob

# Product Image Product Name Product Notes Check Price
1
The product is ideal for replacing the remote key fob of select Mercedes-Benz models manufactured from 2000 to 2014.
2
This product is ideal for replacing the battery in a keyless remote key fob for a Mercedes-Benz vehicle.
3
The product is ideal for protecting the key of select Mercedes-Benz models with a stylish carbon fiber texture cover.
4
Replacing batteries in Mercedes Benz remote key fobs.
5
It is ideal for small electronic devices such as key fobs, car remotes, and glucose monitors that require a 3V lithium battery.
6
It is ideal for replacement of the remote key fob battery for Mercedes Benz MB models from 2017-2022.
7
The product is ideal for replacing the battery in a keyless remote entry system for a Mercedes-Benz vehicle.
8
The product is ideal for remote access and control of a Mercedes vehicle.
9
The product is ideal for replacing the battery in keyless entry remotes for certain Mercedes Benz models.
10
Ideal for small electronic devices such as key fobs, car remotes, glucose monitors, and other items requiring a 3V lithium coin battery.
The product is ideal for replacing the remote key fob of select Mercedes-Benz models manufactured from 2000 to 2014.
This product is ideal for replacing the battery in a keyless remote key fob for a Mercedes-Benz vehicle.
The product is ideal for protecting the key of select Mercedes-Benz models with a stylish carbon fiber texture cover.
Replacing batteries in Mercedes Benz remote key fobs.
It is ideal for small electronic devices such as key fobs, car remotes, and glucose monitors that require a 3V lithium battery.
It is ideal for replacement of the remote key fob battery for Mercedes Benz MB models from 2017-2022.
The product is ideal for replacing the battery in a keyless remote entry system for a Mercedes-Benz vehicle.
The product is ideal for remote access and control of a Mercedes vehicle.
The product is ideal for replacing the battery in keyless entry remotes for certain Mercedes Benz models.
Ideal for small electronic devices such as key fobs, car remotes, glucose monitors, and other items requiring a 3V lithium coin battery.

1. Mercedes-Benz Smart Key Replacement – Beefunny

Introducing a replacement key for Mercedes-Benz 705 Moto 1997-2000, for NEC 2001-2005, for NEC 2006-2010, and for BGA 2011-2014 models. This key operates at a frequency of 315MHz, and it is important to check if your old key has the same frequency before ordering. Please note that this is not a keyless entry and the old key must be of the same shape to ensure compatibility.

It is important to understand that this key requires auto locksmith programming, and dealerships will not be able to program this key. Therefore, before placing an order, customers are advised to locate a professional auto locksmith who can provide the necessary programming service.

To ensure proper programming and compatibility, we recommend using the VVDI MB/CGDI programming tool. It is also essential to note that dealerships do not have the capability to program this key, and only a professional locksmith should be relied upon for this service.

2. Keyless Remote Key Fob Battery For Compatible With Mercedes-Benz

The replacement part under review is a direct fit replacement for a 1.8L 1796CC 110Cu. In. l4 GAS DOHC Turbocharged engine. This high-quality replacement part is designed to install seamlessly, ensuring a hassle-free experience for the user. The installation process is straightforward and installs the same as the factory unit, making it easy for even those with limited mechanical knowledge to install.

The replacement part is designed to have the same dimensions as the original part, ensuring a perfect fit and performance similar to the original. With this replacement part, you can expect the same level of performance, reliability, and durability as the original part.

Whether you're a professional mechanic or a car enthusiast, this replacement part is an excellent choice for anyone looking for a reliable and high-quality replacement for their damaged or faulty part. Get your vehicle back on the road with confidence, knowing that you have installed a high-quality replacement part that will provide you with the performance and reliability you need.

3. Carbon Fiber Key Cover For Mercedes-Benz

This key cover is a fantastic choice for those who want to protect their car keys from scratches, wear and tear. Designed to fit most models, this generic key cover is the perfect solution for those who want an affordable and stylish way to protect their keys.

The modified carbon fiber texture gives a sleek and modern look to your key, while the battery cover design ensures that your key's battery is easily accessible when needed. The key cover is specifically designed for new C, E, GLK, GLA, GLC, GLE, CLA, and S class models, and can be easily installed without the need for any special tools.

Please note that this product is a key cover only, and does not include the key itself. The part number for this key cover is A2137660400, so please make sure to check that this product is compatible with your key before making your purchase.

It is important to note that this key cover is specifically designed for new versions of smart keys. Therefore, before purchasing, please ensure that your smart key is a new version to ensure compatibility.

4. Mb Benz Remote Key Fob With Screwdriver Bundle.

Introducing a bundle of 2 CR2025 batteries and a 3-in-1 EDC screwdriver, designed to provide users with reliable and efficient performance. These original OEM batteries are the same ones provided in all black and chrome smart key remotes with FCC ID including IYZ-3312, IYZ3312, IYZDC, and P/Ns 5WK47283, 20490562029999, 20490511049999, making it a total of 3 pieces in a two-item bundle.

It is important to note that these batteries are compatible with all 2, 3, and 4 button black and black with chrome sides ORIGINAL MB smart key remotes. However, for those with aftermarket remotes, it is advisable to check the battery type before making a purchase.

With these batteries, users can avoid service appointments for battery replacements, as the replacement process is straightforward, and remote reprogramming is not required. Battery replacement is recommended before or after seeing the "Key Battery Needs Replacing" or "Low Key Fob Battery" message on the car dashboard (if applicable), or if the remote range is reduced and/or works intermittently.

As a bonus, a 3-in-1 EDC screwdriver is included in the bundle to assist with opening of the remote and removal of the battery from the battery compartment. This tool is a valuable addition to the bundle, as it makes the battery replacement process even more convenient for users.

For those who may need guidance on the battery replacement process, an easy-to-follow detailed instructional video is included with the purchase. This video provides step-by-step instructions that are easy to understand and follow, ensuring that users can confidently replace their batteries without any difficulty.

5. Duracell Safety Lithium Coin Cells, 4-Pack

Duracell Lithium Coin batteries are the ideal solution for powering electronic devices in your home or on-the-go. These batteries offer a long-lasting power and performance that you can count on. The Duracell 2032 3V Lithium Coin battery is designed to power a wide range of everyday and essential home devices, such as key fobs, remote controls, glucose monitors, thermometers, and many more.

One of the unique features of the Duracell Lithium Coin batteries is the non-toxic, bitter coating that helps discourage swallowing. This feature makes these batteries a safe choice for families with young children. Additionally, the child-secure packaging makes it nearly impossible to open without scissors, adding an extra layer of safety.

Duracell Lithium Coin batteries are also known for their dependability. They can hold power up to a decade in storage, ensuring that you have reliable power when you need it the most. The batteries are guaranteed for 10 years in storage, giving you peace of mind that they will be ready to use when you need them.

Duracell is the #1 trusted battery brand, making these batteries the go-to choice for any situation, from storm season to medical needs to the holidays. The Duracell 2032 3V Lithium Coin batteries are available in various pack sizes, from 1-count to 8-count packs, allowing you to choose the right quantity for your needs.

6. Mercedes Key Fob Battery Bundle (2-Pack)

The Bundle of 2 Pack CR2032 Battery with Remote Opening/Pry Tool is a must-have for owners of Mercedes vehicles manufactured in 2017 or later. The pack is equipped with an original OEM battery that is provided by Mercedes for all smart key remote fobs. It is compatible with several original equipment MB smart key remotes, including A B C E S G Class GLA GLB GLE GLS CLA CLS EQC AMG, and more.

Please note that if your remote looks the same as the remotes shown in the product photos but Amazon states that it is not compatible with your remote, this may be because your vehicle has not yet been added to the compatibility list. The battery replacement process is simple and does not require remote reprogramming. It is highly recommended to replace the battery before or after seeing the "Key Battery Needs Replacing" or “Low Key Fob Battery” message on the car dashboard (if applicable) or if your remote range is reduced and/or works intermittently.

The bundle comes with a bonus opening/pry tool that assists in opening the remote and/or removing the battery from the battery compartment. This tool is included in the pack to ensure that the battery replacement process is easy and hassle-free.

To further simplify the installation process, the pack comes with an easy-to-follow detailed instructional video. This video provides step-by-step instructions on how to replace the battery, making the process user-friendly and convenient.

7. Mercedes-Benz Remote Key Battery Keyless Entry Genuine Original 0000388 (2pcs)

When it comes to purchasing car parts, it's important to make sure that the item you're buying is the right fit for your vehicle. That's why the seller of this product strongly recommends that customers contact them with their car's complete VIN number, including the year, make, and model, to verify fitment before making a purchase. This ensures that you receive the correct part for your car, so you don't have to worry about returns or exchanges.

If you're unsure about whether this product is the right fit for your vehicle, the seller encourages you to contact them with any questions or concerns. They promise to respond within 24 hours to provide you with any information you need to make an informed purchase.

This product is an original and comes with a guarantee of quality, so you can rest assured that you're receiving a high-quality item. Additionally, this product is made in the USA, so you can feel good about supporting American-made products.

8. Mercedes Smart Key Fob – 4 Button Proximity

If you're looking for a replacement keyless remote for your Mercedes Benz, this product might just be what you need. With part numbers/FCC ID YZ3312 IYZ3317 and a frequency of 315MHz, this remote is not just a key shell but a whole key itself.

This proximity fob is compatible with various Mercedes Benz models from 1997-2014, including the 300 Series, C-Class, E-Class, S-Class, G-Class, M-Class, R-Class, and SL Series. This makes it a versatile option for those who own any of these models.

One of the key benefits of this keyless remote is its built-in chip that offers a sensitive response. It has four buttons, including remote locking, unlocking, panic, and trunk hold. Plus, it has a fast response and wireless remote control, making it convenient to use.

However, it's important to note that this remote and door key must be programmed and cut by a qualified locksmith or dealership. It's recommended to consult different locksmiths before programming to ensure a successful process. Additionally, a working key fob is needed in order to add a new key.

The package for this car key fob includes one car keyless entry remote with the battery included. Its size is 7.4 x 3.8cm / 2.91" x 1.50" (L*W). Before purchasing, it's important to check the OE number/FCC ID and product picture with the original one to ensure compatibility.

9. Genuine Mercedes Benz Keyless Key Entry Remote Battery

If you're looking for a reliable and high-quality keyless key entry for your Mercedes-Benz, then the Genuine Mercedes-Benz part with part number 828038810 is the perfect solution for you. This part is designed to fit your specific vehicle, ensuring that you get the best possible performance.

This keyless key entry is manufactured to meet strict specifications for fit, form, and function. This means that you can be confident that it will work seamlessly with your Mercedes-Benz, providing you with convenient and reliable access to your vehicle.

With this Genuine Mercedes-Benz part, you can enjoy the peace of mind that comes with knowing that you're getting a product that is backed by the Mercedes-Benz brand. This keyless key entry is made with high-quality materials and is built to last, ensuring that you get the best possible value for your money.

So if you're in need of a keyless key entry for your Mercedes-Benz, look no further than the Genuine Mercedes-Benz part with part number 828038810. With its exceptional quality and reliable performance, this part is sure to meet all of your needs and exceed your expectations.

10. Duracell Cr2025: Safe & Reliable Lithium Power

Duracell Lithium Coin Batteries are designed to provide dependable and long-lasting power for essential electronic devices used both at home and on-the-go. These batteries are available in 1-, 2-, and 4-count packs and are the only batteries in the market with a non-toxic, bitter coating that discourages swallowing.

The child-secure packaging makes it nearly impossible to open without scissors, ensuring that children are safe from accidental battery ingestion. The Duracell 2025 3V Lithium Coin battery is suitable for a wide range of everyday and essential home devices, including key fobs, remote controls, glucose monitors, thermometers, and more, providing reliable power that you can count on.

Duracell Lithium Coin Batteries are guaranteed to hold power for up to 10 years in storage, making them a reliable choice for emergency situations or devices that are not frequently used. The #1 trusted battery brand, Duracell has been providing reliable power solutions for storm season, medical needs, and holidays.

Best Battery For Mercedes Key Fob FAQs

Are there any aftermarket batteries that are better than the original Mercedes battery for key fobs?

There are several aftermarket batteries available in the market that claim to be better than the original Mercedes battery for key fobs. However, it is important to note that Mercedes recommends using only genuine parts for their vehicles, including key fob batteries.

That being said, some aftermarket batteries may offer longer battery life or a higher capacity than the original Mercedes battery. It is important to do your research and choose a reputable brand that has positive reviews from other Mercedes owners.

Additionally, it is important to follow the instructions for replacing the key fob battery carefully to avoid damaging the fob or the vehicle. If you are unsure about replacing the battery yourself, it is best to take the key fob to a certified Mercedes service center to have it done professionally.

Ultimately, the decision to use an aftermarket battery for your Mercedes key fob is a personal one, but it is important to consider the potential risks and weigh them against the potential benefits before making a decision.

Can I replace the battery in my Mercedes key fob myself?

Yes, it is possible to replace the battery in your Mercedes key fob yourself. However, it is important to make sure you have the correct battery type and follow the proper steps to avoid damaging the fob.

First, you will need to determine the correct battery type for your specific key fob model. This can usually be found in the owner's manual or by searching online.

Next, use a small screwdriver or similar tool to carefully pry open the key fob casing. Be sure to do this gently to avoid breaking any of the internal components.

Once the casing is open, you should be able to easily remove the old battery and replace it with the new one. Make sure the battery is inserted with the correct polarity, and then carefully snap the casing back together.

It is important to note that some Mercedes key fobs may require programming after the battery is replaced. In this case, it may be necessary to visit a dealership or certified repair shop to have the programming done correctly.

Overall, replacing the battery in your Mercedes key fob can be a simple and cost-effective solution. However, if you are unsure about the process or have any concerns, it is always best to seek professional assistance.

How do I know when to replace my Mercedes key fob battery?

Mercedes key fobs typically come with a battery life of around 2-3 years. However, the actual battery life can vary depending on the usage of the key and the conditions in which it is used. As a general rule, it is a good idea to replace the battery in your Mercedes key fob if you notice that it is no longer working as effectively as it used to. For example, if you find that you have to press the buttons on the key fob harder than usual to get a response, or if the range of the key fob seems to have decreased, then it is likely that the battery is running low and needs to be replaced.

To replace the battery in your Mercedes key fob, you will need to open the fob using a small screwdriver and remove the old battery. You can then replace it with a new battery of the same type and reassemble the key fob. It is important to use the correct type of battery for your key fob to ensure that it works properly. If you are unsure about how to replace the battery in your Mercedes key fob, it is best to consult the owner's manual or seek the help of a professional.

How do I properly install a new battery in my Mercedes key fob?

To properly install a new battery in your Mercedes key fob, follow these steps:

1. Look for the small button located on the back of the key fob and press it. This will release the key blade.

2. Pull the key blade out of the key fob.

3. Locate the small slot on the side of the key fob and insert a flat object, like a screwdriver or a coin, into the slot. Twist the object to separate the two halves of the key fob.

4. With the two halves separated, you will see the battery compartment. Gently remove the old battery and dispose of it properly.

5. Insert the new battery into the compartment with the positive (+) side facing up.

6. Put the two halves of the key fob back together and snap them into place.

7. Reinsert the key blade into the key fob until it clicks into place.

8. Test the key fob to make sure it is working properly.

It is important to note that different Mercedes models may have slightly different instructions for replacing the key fob battery, so it is always best to consult your vehicle's owner's manual for specific instructions.

How long does a Mercedes key fob battery last?

The lifespan of a Mercedes key fob battery depends on various factors such as usage frequency, environmental conditions, and type of battery. Generally, a Mercedes key fob battery lasts for 2-4 years. However, some models may need a battery replacement sooner, while others may last longer. It is recommended to replace the key fob battery before it dies completely to avoid being locked out of your car or having to manually unlock the doors.

To replace the battery, you can either take it to an authorized Mercedes dealership or replace it yourself by following the instructions in the owner's manual. Most Mercedes key fobs use CR2025 or CR2032 batteries, which are easily available at most hardware stores. Remember to handle the battery with care and dispose of it properly. If you notice any issues with your key fob, such as a weak signal or unresponsive buttons, it may be time to replace the battery.

How much does it cost to replace the battery in a Mercedes key fob?

The cost to replace a Mercedes key fob battery can vary depending on the specific model of the vehicle and the location where you are having the replacement done. On average, the cost typically ranges from $15 to $50. However, the cost could be higher if you take your vehicle to a dealership, as they often charge more for parts and labor. If you are comfortable with doing the replacement yourself, you can purchase a replacement battery online or at a local electronics store for a lower cost. It is important to note that when replacing the battery in a Mercedes key fob, it is recommended to use a high-quality battery to ensure optimal performance and longevity. Additionally, it is important to follow the manufacturer's instructions carefully to avoid damaging the key fob during the replacement process.

What is the best replacement battery for a Mercedes key fob?

When it comes to replacing the battery in your Mercedes key fob, it is important to use a high-quality battery to ensure optimal performance and longevity. The best replacement battery for a Mercedes key fob is a CR2025 lithium coin cell battery. This type of battery is commonly available in most stores that sell batteries and is relatively inexpensive.

To replace the battery in your Mercedes key fob, you will first need to locate the battery compartment on the back of the fob. Once you have accessed the compartment, simply remove the old battery and replace it with the new one. It is important to ensure that the battery is installed with the correct polarity (positive and negative) to prevent damage to the key fob.

If you are unsure about replacing the battery in your Mercedes key fob, it is recommended that you consult your owner's manual or contact a professional for assistance.

What type of battery does a Mercedes key fob use?

Mercedes key fobs use a specific type of battery that varies depending on the model and year of your Mercedes vehicle. Typically, Mercedes key fobs use a CR2025 or a CR2032 battery. You can find out which battery your Mercedes key fob uses by referring to your owner's manual or by contacting your local Mercedes dealership. It is important to note that changing the battery in your Mercedes key fob is a simple process that can be done at home. However, it is recommended that you follow the instructions in your owner's manual carefully to avoid damaging the key fob or your vehicle. If you are unsure about changing the battery yourself or have any concerns, it is best to consult a professional mechanic or take your Mercedes to a certified dealership.

Where can I buy a high-quality battery for my Mercedes key fob?

You can buy a high-quality battery for your Mercedes key fob from several sources. One option is to visit your local Mercedes dealership. They will have genuine Mercedes batteries that are specifically designed for your key fob. While these batteries may be more expensive than aftermarket options, they will provide the best performance and longevity for your key fob.

Another option is to purchase a battery from an auto parts store or online retailer. When shopping for a battery, be sure to look for one that is compatible with your Mercedes key fob. It's also important to choose a reputable brand that is known for producing high-quality batteries.

Before purchasing a battery, be sure to check the manufacturer's instructions for your key fob to ensure that you are selecting the correct type of battery. Installing the wrong type of battery could damage your key fob and render it unusable. With proper research and care, you can easily find a high-quality battery for your Mercedes key fob.

Why does my Mercedes key fob keep losing its battery charge?

There could be several reasons why your Mercedes key fob keeps losing its battery charge. Firstly, it could be due to frequent use of the key fob, which can drain the battery faster than normal. Another reason could be a faulty key fob battery or a weak signal between the key fob and the car's receiver. In some cases, the key fob may be constantly searching for a signal, which can also contribute to battery drain.

To prevent your Mercedes key fob from losing its battery charge, you can try replacing the battery with a new one. It is also recommended to keep the key fob away from other electronic devices, as they may interfere with the signal. Additionally, you can try reprogramming the key fob to ensure that it is in sync with the car's receiver. If the issue persists, it is best to consult a professional technician who can diagnose and fix the problem.

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