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