How to Replace the Battery in a 2007 Mercedes-Benz C230 Key Fob

How to Replace the Battery in a 2007 Mercedes-Benz C230 Key Fob

If your Mercedes-Benz key fob is no longer open doors well, the cell battery surely must to be changed. In this post, you’ll benefit from knowing how to open your car key fob and change a weak or dead battery DIY. If you decide to do it at home near C230, use this guide, but first make sure you have everything you need before you start.

What kind of battery key fob require

Before beginning open key fob check all that you need: 2 CR2025 batteries and flat head screwdriver.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to replace the battery in your car's key fob

A tiny coin battery installed in the your keyless entry remote. Move the key out of the way if it is in the remote key fob.

Accurately try to open your keyless entry remote with flat head screwdriver. Replace two CR2025 batteries with flat head screwdriver.

Now it's time to install new batteries in keyless entry fob's body. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

When the new batteries installed, check remote key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your body pieces together and assemble it together by hands from top to bottom. If your key fob case tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2007 Mercedes-Benz C230 Video

SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries

Still not working? Buy new one

FAQ

Keyless entry remote of Mercedes-Benz C230 require 2xCR2025 batteries. Price for CR2025 batteries are under $6 depending on the brand, type and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Keyless entry remote in most of cases do not need to be reprogrammed after battery replace. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your key fob battery is simple to do in 2007 Mercedes-Benz C230. Most of car manufacturers think of the clients and make a special hole for keyless entry remote disassembly.

Car service pricing for change the battery in remote key fob is from $30 to as high as $500 depending on the make.

You should replace batteries inside keyless entry remote of Mercedes-Benz C230 at least once in three or four years. lifespan of battery vary on frequency of use, operating conditions and quality.

If your C230 need multiple clicks to unlock or lock doors, has low key battery indicator on dashboard, key fob buttons not working or fob's battery more than 4 years old, it's probably battery change inside keyless entry remote required. Current battery is weak with a high probability, but if it's not help to fix issues, key change or repair required.
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Fob Compatibility:

  1. FCC ID: KR55WK49031
  2. Models: 2006-2007 Mercedes-Benz C230