How to Open Your 1996 Mercedes-Benz SL320 Key Fob and Change Battery

How to Open Your 1996 Mercedes-Benz SL320 Key Fob and Change Battery

If your Mercedes-Benz key is not working perfectly, the cell battery more likely must to be changed. Below, we walks you through how to open your key fob and change your Mercedes-Benz key battery step by step.

What kind of battery key fob use

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

Simple steps to replace the battery in your car's keyless entry remote

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

Accurately try to pry apart your key fob with pry tools. Change 2xCR2025 batteries with flat head screwdriver.

Get new batteries and install it in keyless entry fob's shell. Battery must be installed 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, make sure that everything is functioning by pressing buttons on remote key fob.

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

Key Fob Battery Replacement 1996 Mercedes-Benz SL320 Video

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


Remote key fob of Mercedes-Benz SL320 require 2xCR2025 batteries. Price for CR2025 batteries are under $6 depending on the brand, type and size packaging you buy. You can take 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 key fob 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 1996 Mercedes-Benz SL320. Most of car manufacturers think about customers and make a special hole for remote key fob open.

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

You should replace batteries inside key fob of modern cars at least once in three or four years. lifespan of battery differ on frequency of use, operating conditions and quality. Famous brands cells usually will last longer.

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

  1. FCC ID: KR 55
  2. Models: 1995-1997 Mercedes-Benz SL320