How to Replace the Battery in a 2005 Mercedes-Benz CL500 Key Fob

How to Replace the Battery in a 2005 Mercedes-Benz CL500 Key Fob

If your CL500 remote key fob is not working perfectly, the battery probably must to be replaced. In this article, we described how to open your car remote key fob and change your Mercedes-Benz key battery step by step.

What is the battery remote key fob use

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

Step by step guide

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

Gently try to open your key fob with pry tools. Replace 2 CR2025 batteries with flat head screwdriver.

Now it's time to install new batteries inside fob’s case. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.

Before assembling fob’s case, check that all functions works by testing buttons on circuit board.

At this point squeeze keyless entry fob's back cover together. Line your shell two halves together and assemble it together by hands from top to bottom. Check your keyless entry remote shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2005 Mercedes-Benz CL500 Video

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

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Mercedes-Benz CL500 use 2xCR2025 batteries. Most CR2025 batteries are under $6 depending on the type, size packaging and brand you buy. Take your old battery to the store, to find a proper replacement.

Often, after key fob 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 keyless entry remote battery is simple to do in 2005 Mercedes-Benz CL500. Most of car manufacturers think about clients and make a special hole for keyless entry remote disassembly.

The cost to replace the battery in key fob is in range from $30 to as high as $500 depending on the brand and the service station.

Keyless entry remote batteries in modern cars should be replaced once in four years, but this will vary based on usage and quality. If your keyless entry remote decreased signal strength, you should change batteries before it stop open doors and make trouble for you.

These symptoms will warning you that it's perhaps time to change battery in your Mercedes-Benz CL500: low key battery indicator on dashboard, key fob buttons not working, multiple clicks to unlock or lock doors required and signal strength reduced.
Be the first to comment.
Your message is required.

Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ VECTOR
  2. Models: 2001-2006 Mercedes-Benz CL500