How to Open Your 2008 Mercedes-Benz E280 Key Fob & Change Battery
If your E280 key fob isn't unlock doors correct, the battery most likely needs to be replaced. In this article, we outlined how to disassembly your keyless entry remote and change your Mercedes-Benz key battery step by step.
What type battery key fob use
Before beginning disassembly remote key fob be sure that you have all recommended tools and materials: flat head screwdriver and 2 CR2025 batteries.- 2xCR2025 batteries
- flat head screwdriver
Step by step guide
A small button cell battery installed inside the your keyless entry remote. Move the key out of the way if it is in the keyless entry remote.
Accurately try to open your key fob with flat head screwdriver. Remove 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 remote key fob will not work if you put battery wrong way.
When the new batteries installed, check key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's case in reverse order.
The last thing to do is put your cover back on fob. Carefully try to assemble the pieces together by hands from top to bottom. Inspect your key case for gaps. If it is not tightly closed try to repeat last step.
How to change the battery video guide
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one