How to Open Your 1997 Mercedes-Benz S600 Key Fob and Change Battery

How to Open Your 1997 Mercedes-Benz S600 Key Fob and Change Battery

Remote key fob grant access to your car. If the key battery is dead or weak you’ll lose your keyless entry fob's ability to control distance functions. It's not difficult to replace the battery in your keyless entry remote with our step by step guide. Everything you need is described in this article.

What type battery does 1997 Mercedes-Benz S600 key fob required

Don't forget before open keyless entry remote check all that you need: flat head screwdriver and 2xCR2025 batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

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

A small button cell battery installed in the your remote key fob. Open the key if it is in the remote key fob.

Carefully try to pry apart your key with pry tools. Remove 2xCR2025 batteries with flat head screwdriver.

Get new batteries and install it in keyless entry fob's body. Battery must be installed with the same position as was a previous. Your key fob will not work if you mistakenly put battery wrong way.

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

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 remote key fob case for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video instruction

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 S600 require 2xCR2025 batteries. Most CR2025 batteries are under $5 build upon the brand, type and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

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

Yes, you can change battery in your 1997 Mercedes-Benz S600 remote key fob yourself. Most difficult part is to open fob’s case. It's pretty simple with our guide.

Auto repair shop's pricing for change the battery in fob is from $30 to as high as $500 depending on the car.

Keyless entry remote batteries in Mercedes-Benz S600 should be changed once in three years, although this will differ based on their amount of use and build quality. If your remote key fob shortened signal strength, you should replace batteries before it stop working and make problems for you.

If your S600 fob's battery more than 4 years old, need multiple clicks to unlock or lock doors, key fob buttons not working or signal strength reduced, it's probably battery change inside remote key fob needed. Installed battery is dead with a high probability, but if it's not fix problem, remote key fob change or repair needed.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: KR 55
  2. Models: 1995-2005 Mercedes-Benz S600