How to Replace the Battery in a 2000 Mercedes-Benz CLK320 Key Fob

How to Replace the Battery in a 2000 Mercedes-Benz CLK320 Key Fob

Remote key fob allow access to your auto. When the remote key fob battery is weak you lose your keyless entry fob's ability to control remote functions. In this article, you will benefit from knowing how to open your car key fob and change a dead or weak battery DIY. If you choose to do it at home near CLK320, follow our instruction, but don't forget to check tools and materials required before you start.

What size battery does 2000 Mercedes-Benz CLK320 key fob take

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

Simple steps to change the battery in your CLK320's key fob

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

Gently try to pry apart your keyless entry remote with flat head screwdriver. Replace 2xCR2025 batteries with flat head screwdriver.

Get new batteries and install it in keyless entry fob's body. Battery must be installed with the same polarity as was an old. Your key fob will not work if you mistakenly place battery wrong way.

Before assembling fob’s case, check that all working properly by testing buttons on key fob.

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. If your keyless entry remote case firmly closed, we done. If not, repeat the last step.

How to replace the battery video guide

SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries

Still not working? Buy new one

FAQ

Key fob of Mercedes-Benz CLK320 use 2xCR2025 batteries. Price for CR2025 batteries are under $4-6 build upon the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

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

Changing your remote key fob battery is simple to do in 2000 Mercedes-Benz CLK320. Most of car manufacturers think about customers and make a special hole for key fob disassembly.

The price to replace the battery in key is from $30 to as high as $500 depending on the make and the service station.

Key fob batteries in modern cars should be replaced every 4 years, although this will differ based on frequency of use and quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop working and make problems for you.

If your auto fob's battery more than 4 years old, has low key battery indicator on dashboard, key fob buttons not working or need multiple clicks to unlock or lock doors, it's probably battery replace in remote key fob required. Installed battery is dead or weak with a high probability, but if it's not fix, key replace or repair needed.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ VECTOR
  2. Models: 1998-2005 Mercedes-Benz CLK320