1996 Mercedes-Benz S320 Key Fob Battery Replacement Guide

1996 Mercedes-Benz S320 Key Fob Battery Replacement Guide

Remote key fob grant easy access to your Mercedes-Benz. Once the remote key fob battery is weak or dead you will not to be able lock doors from distance. Below, you will benefit from knowing how to disassembly your key fob and replace a dead or weak battery DIY. If you gonna solve to do it at home near S320, follow our instruction, but first make sure you have tools and materials required.

What type battery does 1996 Mercedes-Benz S320 keyless entry remote required

Changing batteries in key fob require flat head screwdriver and 2 CR2025 batteries. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to replace the battery in your S320's key fob

Inside of your keyless entry remote installed tiny button cell battery. Open key first, and then try to pry apart the remote key fob.

Delicately try to disassemble your fob with flat head screwdriver. Replace CR2025 batteries with flat head screwdriver.

Get new batteries and install it inside keyless entry fob's case. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.

Before assembling keyless entry fob's case, make sure that all functions works by pressing buttons on key fob.

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

Video of remote key fob disassembly

How To Replace A 1995 - 1999 Mercedes Benz Flip Open Switch Blade Style Key Fob Battery FCC ID KR 55

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Mercedes-Benz S320 use 2xCR2025 batteries. Most CR2025 batteries are under $4-6 build upon the brand, size packaging and type you buy. You can take old battery to the store, to find a proper replacement.

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

Replacing your keyless entry remote battery is easy to do in 1996 Mercedes-Benz S320. Most of car manufacturers think of the customers and make a special hole for remote key fob open.

Auto repair shop's price for replace the battery in keyless entry remote is $50-600 depending on the brand.

Keyless entry remote batteries in Mercedes-Benz S320 should be changed every 4 years, although this will differ based on usage and quality. If your key fob shortened signal strength, you should replace batteries before it stop open doors and make trouble for you.

If your car signal strength reduced, has low key battery indicator on dashboard, key fob buttons not working or fob's battery more than 4 years old, in most cases battery change in keyless entry remote required. Installed battery is weak or dead with a high probability, but if it's not fix problem, remote key fob replace or repair required.
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Fob Compatibility:

  1. FCC ID: KR 55
  2. Models: 1995-1999 Mercedes-Benz S320