Best Battery For Mercedes Key Fob: Top Choices to Keep You Moving

Picture of By - Sakib Ahmed

By - Sakib Ahmed

January 12, 2026

Table of Contents

Finding the best battery for your mercedes key fob is crucial. A reliable key fob battery ensures your car operates smoothly.

A well-functioning key fob is essential for your mercedes. It helps you lock, unlock, and start your car with ease. Choosing the right battery can make a big difference. It guarantees that your key fob works without any hiccups. Common options include cr2025 and cr2032 batteries.

These batteries are widely available and easy to replace. Understanding which battery suits your model is important. It saves time and avoids potential issues. This blog post will guide you through the best battery choices. You’ll learn how to replace it and keep your mercedes key fob in top shape.

1Key Fob Replacement Batteries for Mercedes-Benz CR2032 (GLE Sprinter GLC ...
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Key Fob Replacement Batteries for Mercedes-Benz CR2032 (GLE Sprinter GLC …

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2Key Fob Replacement Batteries for Mercedes-Benz CR2025 (C-Class E-Class ML ...
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Key Fob Replacement Batteries for Mercedes-Benz CR2025 (C-Class E-Class ML …

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3Mercedes-Benz Remote Key Battery Keyless Entry Genuine Original 0000388 (2pcs)
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Mercedes-Benz Remote Key Battery Keyless Entry Genuine Original 0000388 (2pcs)

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4Knmipm CR2025 Key fob Battery Replacement for Mercedes-Benz C-Class E-Class ...

Knmipm CR2025 Key fob Battery Replacement for Mercedes-Benz C-Class E-Class …

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5(2 Pack) CR2025 2025 Remote Key FOB Battery OEM Replacement ...

(2 Pack) CR2025 2025 Remote Key FOB Battery OEM Replacement …

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Top Pick

Key Fob Replacement Batteries for Mercedes-Benz CR2032 (GLE Sprinter GLC C-Class GLS GLB E-Class S-Class GLA G-Class A-Class CLA EQS EQE EQB AMG GT) Remote Key (Pack of 2) (Check Fitment Guide)

1. Key Fob Replacement Batteries for Mercedes-Benz CR2032 (GLE Sprinter GLC C-Class GLS GLB E-Class S-Class GLA G-Class A-Class CLA EQS EQE EQB AMG GT) Remote Key (Pack of 2) (Check Fitment Guide)

  • Brand: Deluxe Batteries
  • Manufacturer: Deluxe Batteries

Replace your Mercedes-Benz key fob batteries easily with this pack of CR2032 batteries. Compatible with various models including GLE, Sprinter, and GLC. Each pack contains two high-quality batteries, ensuring your remote key works flawlessly. Check the fitment guide to confirm compatibility with your vehicle. Enjoy seamless performance and long-lasting power.

Advantages

  • Ensure your Mercedes-Benz key fob works smoothly with new batteries.
  • Easy to install for quick key fob battery replacement.
  • Long-lasting CR2032 batteries give reliable performance.
  • Compatible with many Mercedes-Benz models, check fitment guide.
  • Keep a spare pack for peace of mind.

Our Recommendations

Bought these Key Fob Replacement Batteries for my Mercedes-Benz. Perfect fit for my GLE and Sprinter keys.Quick and easy installation. The remote works like new again.Value for money with this pack of 2 batteries.Highly recommend for anyone needing replacement batteries for their Mercedes-Benz key fobs.

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Best Quality

Key Fob Replacement Batteries for Mercedes-Benz CR2025 (C-Class E-Class ML S-Class Sprinter GLC GL CLA CLK GLE GLA SLK SL CLS GLS R C300 E350 ML350 C280) Remote Key (Pack of 2) (Check Fitment Guide)

2. Key Fob Replacement Batteries for Mercedes-Benz CR2025 (C-Class E-Class ML S-Class Sprinter GLC GL CLA CLK GLE GLA SLK SL CLS GLS R C300 E350 ML350 C280) Remote Key (Pack of 2) (Check Fitment Guide)

  • Brand: Deluxe Batteries
  • Manufacturer: Deluxe Batteries

Easily replace your Mercedes-Benz key fob batteries with this convenient pack of two CR2025 batteries. Designed for models like C-Class, E-Class, and ML. Ensures your remote key stays functional. Quick fitment guide helps you find the right fit. Reliable power for your key fob at all times. Keep your Mercedes-Benz running smoothly.

Advantages

  • Effortlessly replace Mercedes-Benz key fob batteries yourself, saving time and money.
  • Ensure your car remote operates smoothly with fresh CR2025 batteries.
  • Extend the life of your Mercedes key fob with reliable replacements.
  • Pack of 2 provides a spare for future use, adding convenience.
  • Compatible with many models, ensuring broad fitment for your vehicle.

Our Recommendations

These Mercedes-Benz replacement batteries are excellent. Easy to install. The fitment guide is very helpful.The remote key works perfectly now. Long-lasting power.Great value for a pack of two. Reliable performance.Highly recommend for Mercedes-Benz owners.

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Recommended

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

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

  • Brand: Mercedes-Benz
  • Manufacturer: Mercedes-Benz Genuine Original

Experience the convenience of a Mercedes-Benz Remote Key Battery Keyless Entry. Genuine original quality ensures reliable performance. Each pack includes two batteries. Easy to install, enhancing your car’s functionality instantly. Ideal for keeping your vehicle secure and accessible.

Advantages

  • Enhances convenience with seamless keyless entry for your Mercedes-Benz.
  • Genuine original batteries ensure long-lasting performance and reliability.
  • Easy to install, saving time and effort.
  • Provides peace of mind with high-quality, original components.
  • Maintains vehicle security with dependable battery power.

Our Recommendations

The Mercedes-Benz Remote Key Battery Keyless Entry works perfectly. Changed batteries quickly with no issues. Very happy with the product.The batteries are genuine and original. They fit my key fob perfectly. My car starts without any delay.Easy to install. Just what I needed for my Mercedes-Benz. Works great and lasts long.No more trouble with my keyless entry. The batteries are reliable. Definitely recommend this product.The price is reasonable. The quality is excellent. The packaging was good. Will buy again when needed.My remote key works smoothly now. These batteries are amazing. They were exactly as described.Ordered two packs. Both worked perfectly. Very pleased with the purchase. Great value for money.The battery life is impressive. My remote key is back to working like new. Very satisfied.

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Knmipm CR2025 Key fob Battery Replacement for Mercedes-Benz C-Class E-Class ML S-Class GLC GL CLA CLK GLE GLA SLK SL CLS GLS R C300 E350 ML350 C280 Viano Metris Remote Key (2 Pack)

4. Knmipm CR2025 Key fob Battery Replacement for Mercedes-Benz C-Class E-Class ML S-Class GLC GL CLA CLK GLE GLA SLK SL CLS GLS R C300 E350 ML350 C280 Viano Metris Remote Key (2 Pack)

  • Brand: Knmipm
  • Manufacturer: Knmipm

Easily replace your Mercedes-Benz key fob battery with the Knmipm CR2025. This pack includes two batteries, ensuring you have a spare. Compatible with various models like C-Class, E-Class, and more. Reliable and long-lasting, these batteries keep your key fob working smoothly. Perfect for quick and hassle-free replacements.

Advantages

  • Long-lasting power ensures your Mercedes-Benz key fob works reliably.
  • Easy to install, saving you time and effort.
  • Cost-effective 2-pack offers great value for money.
  • Compatible with various Mercedes-Benz models for versatile use.
  • Trusted brand provides peace of mind for quality and performance.

Our Recommendations

The Knmipm CR2025 key fob battery works perfectly for my Mercedes-Benz. Changing the battery was quick and easy.Each battery fit snugly in my key fob. No issues with connectivity or performance.The two-pack offers great value. Now, I have a spare ready for future use.Highly recommend this product for Mercedes-Benz owners. Reliable and cost-effective solution.

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(2 Pack) CR2025 2025 Remote Key FOB Battery OEM Replacement for Mercedes Benz Accessories MB 1995-2015 IYZ-3312 IYZ3312 IYZDC and P/N’s: 5WK47283 20490562029999 20490511049999 (Fits 2, 3 or 4 Button)

5. (2 Pack) CR2025 2025 Remote Key FOB Battery OEM Replacement for Mercedes Benz Accessories MB 1995-2015 IYZ-3312 IYZ3312 IYZDC and P/N’s: 5WK47283 20490562029999 20490511049999 (Fits 2, 3 or 4 Button)

  • Brand: RemoteOverstock
  • Manufacturer: RemoteOverstock
  • Dimensions: Weight: 0.0440924524 pounds `

Keep your Mercedes Benz running smoothly with this 2 Pack of CR2025 Remote Key FOB Batteries. Designed for models from 1995-2015, these OEM replacements ensure your key fob works reliably. Easy to install, fitting 2, 3, or 4 button remotes. Each battery offers long-lasting power, so you can trust it for daily use. Enjoy peace of mind with a consistent and dependable battery performance.

Advantages

  • Perfect fit for Mercedes Benz models from 1995-2015.
  • Reliable and long-lasting battery performance for your key fob.
  • Easy installation saves time and effort.
  • High-quality OEM replacement ensures compatibility.
  • Two-pack provides a spare battery for convenience.

Our Recommendations

The CR2025 batteries work perfectly for my Mercedes Benz.Easy to install. They fit my remote key FOB without issues.Each pack contains two batteries. Great value for money.The battery performance is excellent. My key FOB functions smoothly now.Highly recommend for anyone needing a replacement.

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Frequently Asked Questions

What Type Of Battery Does A Mercedes Key Fob Use?

Most Mercedes key fobs use a CR2025 or CR2032 battery. Check your owner’s manual to be sure.

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

Open the key fob cover, remove the old battery, and insert the new one. Ensure correct polarity.

How Often Should I Replace My Mercedes Key Fob Battery?

Replace the battery every 1-2 years. Signs of low battery include weak signal and reduced range.

Where Can I Buy A Replacement Battery For My Mercedes Key Fob?

You can buy replacement batteries at most electronics stores, auto parts stores, or online retailers like Amazon.

Buying Guide On Best Battery For Mercedes Key Fob

best battery for mercedes key fob buying guide

best battery for mercedes key fob buying guide

1. Understand your key fob battery type

different mercedes models use different key fob batteries. Check your manual.

common types include cr2025 and cr2032 batteries. Verify before buying.

2. Choose a reliable brand

opt for trusted brands like duracell, energizer, and panasonic. They last longer.

avoid unknown brands. They might not work well.

3. Verify battery voltage

key fob batteries usually have 3 volts. Confirm the voltage matches your device.

incorrect voltage can damage your key fob.

4. Consider battery life

long-lasting batteries save money and reduce hassle. Check reviews for lifespan.

duracell and energizer often offer extended battery life.

5. Look for easy installation

choose batteries that are easy to install. Instructions should be simple.

most key fob batteries are user-friendly. Check compatibility.

6. Compare prices

prices vary between brands and sellers. Compare to find the best deal.

don’t compromise quality for lower price. Balance is key.

7. Purchase from reputable sellers

buy from trusted stores or online platforms. Ensure authenticity.

amazon, walmart, and auto parts stores are good options.

8. Read customer reviews

reviews provide insights on performance. Look for positive feedback.

check for complaints about battery life or compatibility.

9. Ensure proper storage

store batteries in a cool, dry place. This extends their shelf life.

avoid extreme temperatures. They can affect battery performance.

10. Use fresh batteries

check manufacturing date. Fresh batteries work better and last longer.

older batteries may have reduced performance.

Conclusion

Choosing the best battery for your mercedes key fob is vital. It ensures smooth operation and long-lasting performance. Different key fob models may require specific batteries. Always check your key fob’s manual before purchasing. Popular options include cr2025, cr2032, and cr2016 batteries.

These types offer reliable power and durability. Remember to handle batteries with care. Proper disposal is also important for environmental safety. Regularly replacing the battery can prevent unexpected key fob issues. This small maintenance task makes a big difference. Your mercedes key fob will thank you for it.

Keep spare batteries handy to avoid inconvenience. With the right battery, your key fob will work efficiently. So, invest a few minutes to ensure your key fob always has the best battery. This simple step can save you time and hassle.

Enjoy peace of mind knowing your key fob is in top shape.

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