How to Open Your 2007 Mercedes-Benz E280 Key Fob and Change Battery

How to Open Your 2007 Mercedes-Benz E280 Key Fob and Change Battery

Key fob allow access to your Mercedes-Benz. Once the key fob battery is weak you will lose your fob’s ability to use remote opening function. In this case, you will benefit from knowing how to open your remote key fob and replace a weak or dead battery yourself. If you choose to do it at home near E280, use this guide, but don't forget to check all you need.

What kind of battery remote key fob use

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

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 key with hands or flat head screwdriver. Remove 2 CR2025 batteries with flat head screwdriver.

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

When the new batteries installed, verify remote key fob by pressing buttons. If everything working fine, assemble your fob’s case in reverse order.

At this point squeeze fob’s back cover together. Line your case pieces together and put it in place by hands from top to bottom. Check your fob case for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video guide

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

Still not working? Buy new one

FAQ

Remote key fob of Mercedes-Benz E280 use 2xCR2025 batteries. Most CR2025 batteries are under $4 depending on the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

Usually, after remote key fob battery change, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2007 Mercedes-Benz E280 key fob yourself. Most difficult part is to open fob’s case. It's pretty simple with our guide.

Car service cost for change the battery in keyless entry remote is from $30 to as high as $500 depending on the car.

Keyless entry remote batteries in modern cars should be replaced every 3-4 years, but this will differ based on their amount of use and quality. If your key fob reduced signal strength, you should replace batteries before it stop open doors and make problems for you.

These signs will warn you that it's perhaps time to change battery in your 2007 Mercedes-Benz E280: signal strength reduced, low key battery indicator on dashboard, key fob buttons not working and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: IYZ3317
  2. Models: 2007-2009 Mercedes-Benz E280