How to Replace the Battery in a 2002 Mercedes-Benz C230 Key Fob
Remote key fob allow access to your C230. Once the remote key fob battery is dead or weak you’ll lose your keyless entry fob's ability to use distance functions. Yes, it is possible to replace the battery in your keyless entry remote with our instruction. All tools, that you need is explained in this article.
What type battery keyless entry remote useBefore starting open remote key fob check all that you need: 2 CR2025 batteries and flat head screwdriver.
- 2xCR2025 batteries
- flat head screwdriver
Step by step instruction
Inside of your keyless entry remote installed small coin cell battery. Move the key out of the way if it is in the key fob.
Accurately try to open your key fob with pry tools. Replace CR2025 batteries with flat head screwdriver.
Get new batteries and install it inside keyless entry fob's body. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you connect battery wrong way.
Before assembling keyless entry fob's case, check that all functions works by testing buttons on circuit board.
The last thing to do is put your cover back on fob. Gently try to assemble the two halves together by hands from top to bottom. If your keyless entry remote body firmly closed, we done. If not, repeat the last step.
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Still not working? Buy new one