How to Open Your 2008 Mercedes-Benz GL450 Key Fob & Change Battery

How to Open Your 2008 Mercedes-Benz GL450 Key Fob & Change Battery

Remote key fob grant access to your auto. If the keyless entry remote battery is weak or dead you’ll not to be able close trunk or doors remotely. In this article, we explained how to open your car remote key fob and change a weak or dead battery DIY. If you choose to do it at home near GL450, follow our guide, but first make sure you have everything you need.

What type battery does 2008 Mercedes-Benz GL450 key fob take

Before starting open keyless entry remote make sure that you have all required tools and materials: CR2025 batteries and flat head screwdriver.
  • flat head screwdriver
  • 2xCR2025 batteries

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

A button cell battery installed inside the your key fob. Move the key out of the way if it is in the remote key fob.

Delicately try to open your fob with pry tools. Change 2xCR2025 batteries with flat head screwdriver.

Change old batteries with new one CR2025. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you place battery wrong way.

After the new batteries installed, check key fob functionality by pressing buttons. If everything is functioning, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Delicately try to put the pieces in place by hands from top to bottom. Inspect your keyless entry remote body for gaps. If it is not tightly closed try to repeat last step.

Video of keyless entry remote opening

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

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Mercedes-Benz GL450 require 2xCR2025 batteries. Most CR2025 batteries are under $4 depending on the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

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

Yes, you can change battery in your 2008 Mercedes-Benz GL450 remote key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty easy with our instruction.

The price to replace the battery in key fob is in range $50-600 depending on the car and the service pricing.

You should change batteries inside remote key fob of modern cars at least every three or four years. The lifetime of battery vary on their amount of use, quality and operating conditions.

If your Mercedes-Benz fob's battery more than 4 years old, key fob buttons not working, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, in most cases battery change in key fob required. Currently installed battery is dead or weak with a high probability, but if it's not help to fix issues, key fob change or repair needed.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ3317
  2. Models: 2007-2012 Mercedes-Benz GL450