How to Replace the Battery in a 2002 Mercedes-Benz C32 AMG Key Fob

How to Replace the Battery in a 2002 Mercedes-Benz C32 AMG Key Fob

Remote key fob allow easy access to your Mercedes-Benz. When the key battery is dead or weak you’ll lose your keyless entry fob's ability to control distance opportunities. In this article, we explained how to open your remote key fob and replace your Mercedes-Benz key battery.

What kind of battery remote key fob require

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

Step by step instruction

Inside of your remote key fob installed small coin battery. Remove any internal key first, and then try to pry apart the keyless entry remote.

Delicately try to open your fob with hands or flat head screwdriver. Change 2xCR2025 batteries with flat head screwdriver.

Change old batteries with fresh one CR2025. Battery must be placed with the same position as was a previous. Your remote key fob will not work if you mistakenly put battery wrong way.

Before assembling keyless entry fob's case, check that all functions works by pressing buttons on keyless entry remote.

At this point squeeze fob’s back cover together. Line your case pieces together and put it together by hands from top to bottom. Inspect your key body for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2002 Mercedes-Benz C32 AMG Video

Mercedes Benz Key Fob Case Change and Battery Replacement Remote

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Mercedes-Benz C32 AMG use 2xCR2025 batteries. Price for CR2025 batteries are under $4-6 depending on the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

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

Changing your key fob battery is simple to do in 2002 Mercedes-Benz C32 AMG. Most of car manufacturers think of the customers and make a special hole for keyless entry remote disassembly.

Dealer service price for change the battery in keyless entry remote is from 50 to 600 dollars depending on the make.

You should change batteries inside keyless entry remote of modern cars at least every 3-4 years. The lifetime of battery vary on frequency of use, quality and operating conditions.

If your Mercedes-Benz need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, key fob buttons not working or signal strength reduced, it's probably battery change inside keyless entry remote needed. Currently installed battery is dead with a high probability, but if it's not help to fix issues, remote key fob change or repair needed.
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Fob Compatibility:

  2. Models: 2002-2004 Mercedes-Benz C32 AMG