2004 Mercedes-Benz C280 Key Fob Battery Replacement Instructions
If your auto remote key fob is no longer unlock doors correct, the battery probably needs to be replaced. In this article, we outlined how to disassembly your key fob and replace your Mercedes-Benz key battery step by step.
What type battery does 2004 Mercedes-Benz C280 remote key fob required
Changing batteries in remote key fob require two CR2025 batteries and flat head screwdriver. 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
Step by step guide
Inside of your key fob installed small button cell battery. Move the key out of the way if it is in the remote key fob.
Accurately try to open your key fob with flat head screwdriver. Remove CR2025 batteries with flat head screwdriver.
Replace old batteries with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you put battery wrong way.
After the new batteries installed, verify remote key fob functionality by pressing buttons. If everything working good, assemble your fob’s shell in reverse order.
At this point squeeze keyless entry fob's back cover together. Line your shell pieces together and put it in place by hands from top to bottom. Inspect your remote key fob case for gaps. If it is not tightly closed try to repeat last step.
Key Fob Battery Replacement 2004 Mercedes-Benz C280 Video
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Still not working? Buy new one