2009 Mercedes-Benz G55 AMG Key Fob Battery Replacement Guide

2009 Mercedes-Benz G55 AMG Key Fob Battery Replacement Guide

Keyless entry remote allow easy access to your G55 AMG. If the remote key fob battery is dead or weak you lose your keyless entry fob's ability to use distance opening function. Below, we walks you through how to disassembly your remote key fob and replace your Mercedes-Benz key battery.

What size battery does 2009 Mercedes-Benz G55 AMG key fob take

Changing batteries in keyless entry remote require flat head screwdriver and 2xCR2025 batteries. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Step by step guide

Inside of your key fob installed tiny button cell battery. Remove any internal key first, and then try to pry apart the remote key fob.

Carefully try to disassemble your keyless entry remote with flat head screwdriver. Change 2xCR2025 batteries with flat head screwdriver.

Now it's time to install new batteries inside fob’s body. Battery must be placed with the same position as was a previous. Your keyless entry remote will not work if you by mistake place battery wrong way.

After the new batteries installed, verify remote key fob functionality by pressing buttons. If everything is functioning, assemble your keyless entry fob's shell in reverse order.

The last thing to do is put your cover back on fob. Gently try to assemble the two halves in place by hands from top to bottom. If your keyless entry remote body tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2009 Mercedes-Benz G55 AMG Video

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Still not working? Buy new one

Frequently Asked Questions

Key fob of Mercedes-Benz G55 AMG use 2xCR2025 batteries. Most CR2025 batteries are under $5 build upon the brand, type and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, after key battery change, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your remote key fob battery is simple to do in 2009 Mercedes-Benz G55 AMG. Most of car manufacturers think of the customers and make a special hole for keyless entry remote disassembly.

The cost to change the battery inside key is from $30 to as high as $500 depending on the brand and the service pricing.

You should replace batteries inside key fob of Mercedes-Benz G55 AMG at least every 4 years. The term of battery differ on usage time, quality and operating conditions.

If your auto key fob buttons not working, has low key battery indicator on dashboard, need multiple clicks to unlock or lock doors or fob's battery more than 4 years old, in most cases battery change in remote key fob required. Installed battery is dead with a high probability, but if it's not fix problem, keyless entry remote change or repair required.
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Fob Compatibility:

  1. FCC ID: IYZ3317
  2. Models: 2007-2011 Mercedes-Benz G55 AMG