How to Replace the Battery in a 2001 Mercedes-Benz CL600 Key Fob

How to Replace the Battery in a 2001 Mercedes-Benz CL600 Key Fob

If your Mercedes-Benz keyless entry remote is no longer open doors properly, the battery surely must to be changed. In this post, you’ll benefit from knowing how to open Mercedes-Benz remote key fob and replace a weak battery yourself. If you choose to do it at home near CL600, use this guide, but don't forget to check tools and materials required.

What size battery does 2001 Mercedes-Benz CL600 key fob required

Don't forget before disassembly remote key fob be sure that you have all required tools and materials: flat head screwdriver and two CR2025 batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to replace the battery in your car's keyless entry remote

A button battery installed in the your keyless entry remote. Remove any internal key first, and then try to pry apart the remote key fob.

Delicately try to pry apart your key fob with flat head screwdriver. Replace two CR2025 batteries with flat head screwdriver.

Replace 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 polarity on battery, by "+" mark.

After the new batteries installed, check keyless entry remote by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

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

How to replace the battery video instruction

Changing your battery on your key fob on a Mercedes Benz cl600 w215

Still not working? Buy new one


Remote key fob of Mercedes-Benz CL600 require 2xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the type, brand and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Remote key fob in most of cases reprogramming not required after battery replace. If your key not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can replace battery in your 2001 Mercedes-Benz CL600 key fob yourself. Most difficult part is to open fob’s case. It's pretty simple with our instruction.

The price to replace the battery in remote key fob can run anywhere from $30 to as high as $500 depending on the car and the service station.

You should change batteries inside key fob of Mercedes-Benz CL600 at least every 3-4 years. The term of battery vary on frequency of use, quality and operating conditions. Famous brands cells usually will last longer.

If your auto key fob buttons not working, has low key battery indicator on dashboard, fob's battery more than 4 years old or need multiple clicks to unlock or lock doors, it's probably battery replace inside key fob required. Installed battery is dead or weak with a high probability, but if it's not help, key replace or repair required.
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Fob Compatibility:

  2. Models: 2001-2006 Mercedes-Benz CL600