How to Replace the Battery in a 2009 Mercedes-Benz GL500 Key Fob

How to Replace the Battery in a 2009 Mercedes-Benz GL500 Key Fob

If your GL500 key fob is not open doors properly, the battery likely needs to be changed. Below, you’ll benefit from knowing how to open your car key fob and change a dead or weak battery yourself. If you choose to do it at home near GL500, follow our instruction, but first make sure you have tools and materials required.

What is the battery keyless entry remote require

Before going to disassembly keyless entry remote be sure that you have all recommended tools and materials: flat head screwdriver and 2 CR2025 batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to change the battery in your GL500's remote key fob

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

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

Change old batteries with fresh one CR2025. 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.

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

At this point squeeze fob’s back cover together. Line your case two halves together and put it together by hands from top to bottom. Inspect your remote key fob body for gaps. If it is not tightly closed try to repeat last step.

How to change the battery video guide

How To Replace A 2006-2009 Mercedes Benz GL450 Key Fob Battery FCCID: KR55WK49031

Still not working? Buy new one

FAQ

Remote key fob of Mercedes-Benz GL500 require 2xCR2025 batteries. Price for CR2025 batteries are under $4 depending on the brand, type and size packaging you buy. You can take old battery to the store, to be sure.

Usually, after keyless entry remote battery replace, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2009 Mercedes-Benz GL500 key yourself. Most hard part is to disassembly fob’s case. It's pretty easy with our guide.

The price to change the battery inside fob is from $30 to as high as $500 depending on the brand and the service station.

Keyless entry remote batteries in Mercedes-Benz GL500 should be changed once in three years, also this will vary based on usage and quality. If your keyless entry remote decreased signal strength, you should replace batteries before it stop working and make problems for you.

These symptoms will alert you that it's probably time to replace battery in your 2009 Mercedes-Benz GL500: you didn't change battery more than 4 years, key fob buttons not working, signal strength reduced and multiple clicks to unlock or lock doors required.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ3317
  2. Models: 2008-2012 Mercedes-Benz GL500