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20 Best 2008 Mercedes C300 Key Battery of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 2008 Mercedes C300 Key Battery of 2023. Check our ranking below.

2,269 Reviews Scanned

Rank No. #1

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)

To confirm compatibility please use the picture guide located in the product images** This battery will not fit your key fob if yours does not match one of the pictures
Compatible with all 1995-2016 Mercedes-Benz (MB) key fobs. Also compatible with some 2017-2021 Mercedes key fobs however your fob must match one of the provided examples in the compatibility guide
Not compatible with any 2022-2024 Mercedes-Benz key fobs (excluding Metris)
Avoid expensive dealer service charges and easily replace your key fob battery yourself - only takes a few minutes - no programming required - guide to changing your key fob battery in the description
Includes (2) original premium Deluxe CR2025 3V batteries. Does not include actual key fob

Rank No. #2

Elite Batteries Key Fob Battery Replacement for Mercedes-Benz (C-Class E-Class ML S-Class Sprinter GLC GL CLA CLK GLE GLA SLK SL CLS GLS R C300 E350 ML350 C280) Remote - Retail Pack

Elite Batteries Replacement are compatible with all 2005-2016 Mercedes key fobs. Compatible with some 2017-2021 Mercedes key fobs (check photo images - must match). Not compatible with any 2022-2024 Mercedes-Benz key fobs (except Metris).
Fast & Easy Self-Installation: Replace key fob battery in minutes; no programming required. Check the detailed guide below in the description.
Industrial-Strength Batteries: Superior performance and lifespan; compatible with the car models mentioned below in the description.
More Value: Long-lasting performance for your key fobs, remotes, and more (tons of uses).
Disclaimer: Check fitment guide in images and description to guarantee compatibility with Mercedes key fob model.

Rank No. #3

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)

To confirm compatibility please use the picture guide located in the product images** This battery will not fit your key fob if yours does not match one of the pictures
Compatible with all 2022-2024 Mercedes-Benz (MB) key fobs (excluding Metris). Also compatible with some 2017-2021 Mercedes key fobs however your fob must closely match one of the provided examples in the compatibility guide
Not compatible with any 1995-2016 Mercedes-Benz key fobs
Avoid expensive dealer service charges and easily replace your key fob battery yourself - only takes a few minutes - no programming required - guide to changing your key fob battery in the description
Includes (2) original premium Deluxe CR2032 3V batteries. Does not include actual key fob

Rank No. #4

Elite Batteries Key Fob Batteries Replacement for Mercedes-Benz (GLE Sprinter GLC C-Class GLS GLB E-Class S-Class GLA G-Class A-Class CLA EQS EQE EQB AMG GT) Smart Remote - Retail Pack

Elite Batteries Replacement are compatible with Mercedes-Benz smart key fobs; models: 2022-2024 Mercedes key fobs (excluding Metris); compatible with some 2017-2021 Benz key fobs.
Fast & Easy Self-Installation: Replace key fob battery in minutes; no programming required. Check the detailed guide below in the description.
Industrial-Strength Batteries: Superior performance and lifespan; compatible with the car models mentioned below in the description.
More Value: Long-lasting performance for your key fobs, remotes, and more (tons of uses).
Disclaimer: Check fitment guide in images and description to guarantee compatibility with Benz key fob model. Key fob batteries use by date is: 12/31/2033 (8-year shelf life).

Rank No. #5

CR2025 Key Fob Battery Replacement for Mercedes-Benz (1995-2016) C-Class E-Class ML S-Class GLC GL CLA CLK GLE GLA SLK SL CLS GLS Viano Metris Remote Key (Fits 2, 3 or 4 Button)

" - Please check product image to confirm compatibility.( Opening/Pry Tool + Installation video included) - "
ORIGINAL CR2025 BATTERY - This listing is for OEM Original replacement batteries as provided by Mercedes Benz for all 1995-2016 black or chrome-sided (2, 3 or 4 button) smart key remotes.( IYZ-3312 IYZ3312 IYZDC and P/N’s: 5WK47283 20490511049999 20490562029999 ) (Keyless entry remote fob not included.)
OEM BATTERIES TESTED TO WORK WITH - A-Class (W176) - (2013-2018) / B-Class (W246) - (2012-2018) / C-Class (W204/S204/W205/S205/C205/A205) - (2012-2018) / E-Class (W212/S212/C207/A207) (2010-2016) / S-Class (W221/W222/C217/A217) - (2010-2017) / G-Class (W463) - (2013-2018) / M-Class (W166) - (2012-2016) / Class (W447) - (2015-2018) / CLA (C117) - (2014-2019) / CLS (W218) - (2012-2018) / GLA (X156) - (2015-2019) / GLC (X253/C253) - (2016-2019) / GLE (W166/C292) - (2016-2019) / GLK (X204) - (2010-2016) / GL/GLS (X166) - (2013-2019) / SL (R231) - (2013-2018) / SLK/SLC (R172) - (2012-2019) / Viano (W639) - (2011-2014) / Metris (W447) - (2016-2018)etc.
SIMPLIFIES BATTERY REPLACEMENT: Avoid expensive dealer service charges by easily replacing your key fob battery yourself! No need to schedule battery replacement service, no need to reprogram remote control.The included tool helps to open the remote control and remove the batteries without damaging the remote control case.
SAFE AND RELIABLE - Tested under Strict Quality Control Standards. Longer battery life and more power to last.

Last update on 2025-07-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What kind of battery do I need for my Mercedes FOB?

A: Get the appropriate replacement battery. The battery type for your Mercedes-Benz key fob should always be CR 2025. The Smart Key uses two 3-volt CR 2025 batteries while the Chrome Key uses just one. These are the small flat silver batteries you can find at most grocery stores and hardware stores.

Q: What kind of battery does a Mercedes chrome key use?

A: The Smart Key uses two 3-volt CR 2025 batteries while the Chrome Key uses just one. These are the small flat silver batteries you can find at most grocery stores and hardware stores. How to Open Your Smart Key: At the end of the key holder, pull the latch and stick your key into the open slot.

Q: What kind of battery do I need for my Mercedes remote?

A: Works fine on a GL350 Bluetec key fob. But it’s just a CR2025 battery. I should have checked, you coul buy it much cheaper. Worked great for our GLK350 remote. Regular alkaline batteries of the same size have problems within a few weeks. These do not run down quickly.

Q: What kind of batteries are in Mercedes Benz?

A: Panasonic batteries in Mercedes-Benz packaging. These batteries lasted less than a week! And BTW these are Panasonic CR2025 batteries in Mercedes-Benz packaging. Don’t waste your money. Nothing MB genuine about these. I bought Energizer CR2025’s and so far those have been working just great.

2008 Mercedes C300 Key Battery