How to Open Your 2001 Mercedes-Benz SL500 Key Fob & Change Battery

How to Open Your 2001 Mercedes-Benz SL500 Key Fob & Change Battery

Remote key fob allow access to your car. Once the key fob battery is dead or weak you’ll lose your fob’s ability to control remote opportunities. Below, we outlined how to disassembly your car remote key fob and replace your Mercedes-Benz key battery step by step.

What size battery does 2001 Mercedes-Benz SL500 keyless entry remote take

Before starting disassembly remote key fob be sure that you have all required tools and materials: CR2025 batteries and flat head screwdriver.
  • 2xCR2025 batteries
  • flat head screwdriver

Step by step guide

A coin battery installed inside the your remote key fob. Remove any internal key before you try to pry apart the keyless entry remote.

Accurately try to disassemble your key fob with hands or flat head screwdriver. Remove 2 CR2025 batteries with flat head screwdriver.

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

Before assembling fob’s case, make sure that all functions works by pressing buttons on circuit board.

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

Key Fob Battery Replacement 2001 Mercedes-Benz SL500 Video

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Still not working? Buy new one


Keyless entry remote of Mercedes-Benz SL500 require 2xCR2025 batteries. Most CR2025 batteries are under $5 depending on the brand, type and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

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

Changing your remote key fob battery is easy to do in 2001 Mercedes-Benz SL500. Most of car manufacturers think of the customers and make a special hole for keyless entry remote open.

The cost to change the battery inside key is $50-600 depending on the brand and the service pricing.

Key fob batteries in Mercedes-Benz SL500 should be changed every four years, but this will differ based on usage and build quality. If your key fob reduced signal strength, you should change batteries before it stop working and make trouble for you.

These signs will warn you that it's possible time to replace battery in your 2001 Mercedes-Benz SL500: signal strength reduced, you didn't change battery more than 4 years, key fob buttons not working and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2000-2006 Mercedes-Benz S500