How to Replace the Battery in a 2003 Mercedes-Benz SLK32 AMG Key Fob

How to Replace the Battery in a 2003 Mercedes-Benz SLK32 AMG Key Fob

Remote key fob grant easy access to your Mercedes-Benz. When the key battery is dead you’ll not to be able lock trunk or doors remotely. In this article, we explained how to disassembly your car keyless entry remote and replace your Mercedes-Benz key battery.

What kind of battery remote key fob use

Prior to disassembly remote key fob be sure that you have all recommended tools and materials: flat head screwdriver and 2 CR2025 batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Step by step guide

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

Accurately try to open your key fob with flat head screwdriver. Remove 2xCR2025 batteries with flat head screwdriver.

Replace old batteries with new one CR2025. Battery must be installed with the same polarity as was a previous. Your keyless entry remote will not work if you mistakenly place battery wrong way.

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

At this point squeeze keyless entry fob's back cover together. Line your shell pieces together and put it together by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.

Video of remote key fob opening

▶️HOW TO Mercedes Benz KeyFob Battery Replacement 2003 2004 2005 2009 2010 2012 ▶️ Ultimate Guide

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Mercedes-Benz SLK32 AMG use 2xCR2025 batteries. Price for CR2025 batteries are under $6 depending on the size packaging, type and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Often, after key fob battery replace, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your key fob battery is simple to do in 2003 Mercedes-Benz SLK32 AMG. Most of car manufacturers think of the customers and make a special hole for keyless entry remote disassembly.

Dealer service cost for replace the battery in keyless entry remote is $50-600 depending on the car.

You should change batteries inside keyless entry remote of modern cars at least every 3-4 years. The lifetime of battery differ on usage time, operating conditions and quality. Famous brands cells usually will last longer.

These signs will warn you that it's possible time to change battery in your 2003 Mercedes-Benz SLK32 AMG: multiple clicks to unlock or lock doors required, signal strength reduced, low key battery indicator on dashboard and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2002-2004 Mercedes-Benz SLK32 AMG