2000 Mercedes-Benz S600 Key Fob Battery Replacement Guide

2000 Mercedes-Benz S600 Key Fob Battery Replacement Guide

Keyless entry remote grant access to your Mercedes-Benz. If the key battery is weak or dead you will not to be able unlock trunk or doors remotely. Yes, it is possible to replace the battery in your remote key fob with our guide. All tools, that you need is described below.

What kind of battery remote key fob require

Before going to open key fob check all that you need: flat head screwdriver and 2xCR2025 batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to change the battery in your S600's key fob

Inside of your remote key fob installed tiny button battery. Move the key out of the way if it is in the keyless entry remote.

Delicately try to pry apart your remote key fob with flat head screwdriver. Remove CR2025 batteries with flat head screwdriver.

Now it's time to install new batteries in fob’s shell. 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 position on battery, by "+" mark.

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

The last thing to do is put your cover back on fob. Delicately try to put the pieces together by hands from top to bottom. If your remote key fob shell firmly closed, we done. If not, repeat the last step.

Video of keyless entry remote opening

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

Still not working? Buy new one


Key fob of Mercedes-Benz S600 require 2xCR2025 batteries. Most CR2025 batteries are under $4 depending on the type, brand and size packaging you buy. You can take old battery to the store, to be sure.

Usually, after keyless entry remote 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 remote key fob battery is simple to do in 2000 Mercedes-Benz S600. Most of car manufacturers think of the clients and make a special hole for key fob disassembly.

The cost to change the battery in key fob can run anywhere from $30 to as high as $500 depending on the car and the service pricing.

Remote key fob batteries in Mercedes-Benz S600 should be replaced every three years, but this will differ based on usage and quality. If your remote key fob shortened signal strength, you should change batteries before it stop working and make problems for you.

If your car has low key battery indicator on dashboard, fob's battery more than 4 years old, need multiple clicks to unlock or lock doors or key fob buttons not working, in most cases battery change in key fob required. Installed battery is dead with a high probability, but if it's not fix, keyless entry remote change or repair required.
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Other Mercedes-Benz Models:

Fob Compatibility:

  2. Models: 1999-2006 Mercedes-Benz S600