How to Replace the Battery in a 1999 Mercedes-Benz CL600 Key Fob

How to Replace the Battery in a 1999 Mercedes-Benz CL600 Key Fob

Key fob allow access to your car. If the keyless entry remote battery is weak or dead you’ll not to be able lock car remotely. In this article, we are going to tell you how to open your key fob and change a dead battery yourself. If you choose to do it at home near CL600, use this guide, but don't forget to check all you need before you start.

What kind of battery key fob use

Before going to open remote key fob be sure that you have all recommended tools and materials: flat head screwdriver and two CR2025 batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Step by step guide

Inside of your keyless entry remote installed small coin battery. Remove any internal key before you try to pry apart the remote key fob.

Accurately try to disassemble your fob with pry tools. Remove 2 CR2025 batteries with flat head screwdriver.

Get new batteries and install it inside keyless entry fob's case. Battery must be installed with the same position as was a previous. Your remote key fob will not work if you by mistake place battery wrong way.

Before assembling fob’s case, verify that everything working fine by testing buttons on remote key fob.

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

Video of key fob disassembly

How To Replace Mercedes Benz CL600 Key Fob Battery 1998 1999

Still not working? Buy new one


Remote key fob of Mercedes-Benz CL600 use 2xCR2025 batteries. Most CR2025 batteries are under $6 depending on the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

Usually, after remote key fob battery change, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can change battery in your 1999 Mercedes-Benz CL600 key fob yourself. Most difficult part is to open fob’s case. It's pretty easy with our guide.

Car service price for replace the battery in key is $50-600 depending on the brand.

You should replace batteries inside key fob of modern cars at least once in 3-4 years. lifespan of battery differ on usage time, quality and operating conditions.

These signs will warn you that it's perhaps time to replace battery in your 1999 Mercedes-Benz CL600: low key battery indicator on dashboard, signal strength reduced, multiple clicks to unlock or lock doors required and key fob buttons not working.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: KR 55
  2. Models: 1997-2005 Mercedes-Benz CL600