How to Replace the Battery in a 2002 Mercedes-Benz G500 Key Fob

How to Replace the Battery in a 2002 Mercedes-Benz G500 Key Fob

If your auto keyless entry remote is not unlock doors correct, the cell battery likely must to be changed. It's not complicated to change the battery in your keyless entry remote with our instruction. All you need is explained below.

What kind of battery keyless entry remote require

Prior to open keyless entry remote check all that you need: flat head screwdriver and two CR2025 batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Step by step instruction

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

Delicately try to open your key fob with flat head screwdriver. Remove CR2025 batteries with flat head screwdriver.

Change old batteries with fresh one CR2025. Battery must be placed with the same polarity as was an old. Your key will not work if you by mistake put battery wrong way.

When the new batteries installed, verify remote key fob by pressing buttons. If everything working fine, assemble your keyless entry fob's body in reverse order.

The last thing to do is put your cover back on fob. Gently try to put the two halves in place by hands from top to bottom. Inspect your key case for gaps. If it is not tightly closed try to repeat last step.

How to change the battery video guide

HOW TO Mercedes Benz KeyFob Battery Replacement. Smart key keyless BRC c230 sl500 e320 ml320 DIY Fix

Still not working? Buy new one

Frequently Asked Questions

Key fob of Mercedes-Benz G500 require 2xCR2025 batteries. Most CR2025 batteries are under $4 build upon the type, size packaging and brand you buy. Take your old battery to the store, to find a proper replacement.

Key fob in most of cases reprogramming not needed after battery replace. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your key fob battery is easy to do in 2002 Mercedes-Benz G500. Most of car manufacturers think of the clients and make a special hole for keyless entry remote open.

The cost to replace the battery in key fob is in range $50-600 depending on the make and the service station.

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

These symptoms will warn you that it's perhaps time to change battery in your 2002 Mercedes-Benz G500: multiple clicks to unlock or lock doors required, you didn't change battery more than 4 years, low key battery indicator on dashboard and signal strength reduced.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2002-2005 Mercedes-Benz G500