How to Open Your 2004 Mercedes-Benz CLK500 Key Fob and Change Battery

How to Open Your 2004 Mercedes-Benz CLK500 Key Fob and Change Battery

If your car key fob isn't unlock doors properly, the battery surely must to be replaced. In this post, we walks you through how to disassembly your remote key fob and replace your Mercedes-Benz key battery step by step.

What size battery does 2004 Mercedes-Benz CLK500 remote key fob required

Prior to open keyless entry remote make sure that you have all recommended tools and materials: 2 CR2025 batteries and flat head screwdriver.
  • flat head screwdriver
  • 2xCR2025 batteries

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

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

Delicately try to pry apart your remote key fob with hands or flat head screwdriver. Remove 2xCR2025 batteries with flat head screwdriver.

Replace old batteries with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.

Before assembling keyless entry fob's case, verify that all functions works by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your case two halves together and put it together by hands from top to bottom. If your fob body tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2004 Mercedes-Benz CLK500 Video

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

Still not working? Buy new one

FAQ

Key fob of Mercedes-Benz CLK500 require 2xCR2025 batteries. Price for CR2025 batteries are under $5 depending on the type, brand and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Key fob in most of cases do not require to be reprogrammed after battery change. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your keyless entry remote battery is easy to do in 2004 Mercedes-Benz CLK500. Most of car manufacturers think about customers and make a special hole for key fob open.

The cost to change the battery inside fob is in range $50-600 depending on the brand and the service station.

You should change batteries inside key fob of Mercedes-Benz CLK500 at least every four years. The lifetime of battery vary on frequency of use, quality and operating conditions.

These symptoms will alert you that it's probably time to replace battery in your 2004 Mercedes-Benz CLK500: key fob buttons not working, low key battery indicator on dashboard, you didn't change battery more than 4 years and signal strength reduced.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ VECTOR
  2. Models: 2003-2006 Mercedes-Benz CLK500