How to Open Your 1997 Mercedes-Benz C230 Key Fob & Change Battery
If your Mercedes-Benz keyless entry remote isn't working properly, the battery more likely must to be changed. Below, we outlined how to disassembly your car keyless entry remote and replace your Mercedes-Benz key battery.
What is the battery keyless entry remote useBefore going to disassembly keyless entry remote check all that you need: 2 CR2025 batteries and flat head screwdriver.
- 2xCR2025 batteries
- flat head screwdriver
Simple steps to change the battery in your C230's keyless entry remote
A coin cell battery installed in the your remote key fob. Open key before you try to pry apart the keyless entry remote.
Carefully try to open your keyless entry remote with pry tools. Remove 2 CR2025 batteries with flat head screwdriver.
Change old batteries with new one CR2025. 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 testing buttons on circuit board.
The last thing to do is put your cover back on fob. Accurately try to assemble the pieces together by hands from top to bottom. If your key shell tightly closed, we done. If not, repeat the last step.
How to change the battery video instruction
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one