2003 Mercedes-Benz CLK430 Key Fob Battery Replacement Guide

2003 Mercedes-Benz CLK430 Key Fob Battery Replacement Guide

If your CLK430 key fob isn't open doors well, the cell battery most likely needs to be changed. Yes, it is possible to replace the battery in your keyless entry remote with our ultimate instruction. All tools, that you need is explained below.

What type battery remote key fob use

Before going to open remote key fob check all that you need: flat head screwdriver and 2 CR2025 batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Simple steps to replace the battery in your CLK430's key fob

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

Carefully try to disassemble your key fob with flat head screwdriver. Remove 2 CR2025 batteries with flat head screwdriver.

Now it's time to install new batteries inside keyless entry fob's shell. Battery must be installed with the same polarity as was an old. Your key fob will not work if you mistakenly put battery wrong way.

Before assembling fob’s case, check that everything is functioning by testing buttons on circuit board.

At this point squeeze keyless entry fob's back cover together. Line your case two halves together and put it in place by hands from top to bottom. Check your key fob case for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2003 Mercedes-Benz CLK430 Video

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

Still not working? Buy new one

FAQ

Keyless entry remote of Mercedes-Benz CLK430 require 2xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the type, brand and size packaging you buy. You can take old battery to the store, to be sure.

Usually, 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 remote key fob battery is easy to do in 2003 Mercedes-Benz CLK430. Most of car manufacturers think of the customers and make a special hole for key fob disassembly.

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

Remote key fob batteries in modern cars should be replaced once in three years, although this will differ based on frequency of use and build quality. If your keyless entry remote decreased signal strength, you should replace batteries before it stop open doors and make problems for you.

These symptoms will alert you that it's probably time to replace battery in your 2003 Mercedes-Benz CLK430: you didn't change battery more than 4 years, multiple clicks to unlock or lock doors required, signal strength reduced and low key battery indicator on dashboard.
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Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2000-2003 Mercedes-Benz CLK430