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.
Our Best Picks For Your Mercedes Key…
Guide
Types of Key Fob
To select a battery for your Mercedes key fob, determine the type of key fob.
Mercedes Benz key battery depends upon two types of the key fob
- The Chrome Key Fob
- The Smart Key Fob
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Both are slightly different and might require a slight change in battery requirements. Select the best batteries for car keys.
Type of 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.

- Mercedes key fob battery 2016
For 2016 Mercedes-Benz or later, you need to opt for a CR2032 battery.
- 2017 Mercedes key fob battery
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.
- Mercedes key fob battery 2018
For 2018 Mercedes-Benz or later, you need to opt for the newest type of Mercedes-Benz key fob. These key fobs opt for a CR2032 3 volts battery.
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- Mercedes key fob battery 2019
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.
- Mercedes GLC 300 key fob battery
For the Mercedes GLC 300 key, you need to opt for a CR2025 battery.
- Ml350 key fob battery
For M1350, you also require CR2032 3V Lithium Batteries with Coin Button Cell, 10 Count. It is highly durable and comes with a 5-Year Warranty.
Select the battery carefully and let your key fob do its job efficiently.
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Number of Battery Required
Before purchasing, check the type and battery requirements of your key fob.
- Smart Key Fob
You will require two CR 2025 batteries, 3-volt for the smart key fob.
- Chrome Key Fob
For the Chrome Key, you will require one CR 2025 battery.
- Purchasing
You can purchase the battery on online markets like Amazon and physical stores. For purchasing online, add the shipping cost to your desired budget.

If you need to purchase a battery for the chrome key fob, you will find it at most hardware stores. They look like small flat silver buttons.
- Cost
Cost should be considered the top priority. Different batteries require different cost values. New and branded batteries will cost more compared to locally used batteries.
- Brand
Select the brand with top reviews to get a high-quality battery in power holding capacity, battery cell composition, and better voltage rating.
- Battery Size
Mercedes Benz’s key battery size depends upon the type of battery. Two batteries are most commonly opted, CR2025 and CR2032 3-Volt batteries. For finding the battery size, check out the manual or concern a professional for the type.
FAQs
What kind of battery does an Infiniti key fob take?
If your Infiniti key fob battery requires replacement, the best option is to opt for CR2025. A standard Infiniti key fob needs a CR2025 type battery, while if you own an Infiniti Intelligent Key fob, a CR2032 battery is the best choice.
Why does my Mercedes key fob battery keep dying?
Your Mercedes key fob will keep dying because of older batteries. If your batteries are older than a year, the problem might occur.
Another reason for battery dying might be the excessive use of your key fob, which made them drain faster than specified. To avoid excessive draining, keep them in a good state of use.