How to Open Your 2007 Mercedes-Benz E280 Key Fob and Change Battery
Key fob allow access to your Mercedes-Benz. Once the key fob battery is weak you will lose your fob’s ability to use remote opening function. In this case, you will benefit from knowing how to open your remote key fob and replace a weak or dead battery yourself. If you choose to do it at home near E280, use this guide, but don't forget to check all you need.
What kind of battery remote key fob use
Before going to open keyless entry remote make sure that you have all recommended tools and materials: flat head screwdriver and CR2025 batteries.- 2xCR2025 batteries
- flat head screwdriver
Step by step guide
Inside of your key fob installed tiny button cell battery. Remove any internal key first, and then try to pry apart the remote key fob.
Carefully try to disassemble your key with hands or flat head screwdriver. Remove 2 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 place battery wrong way.
When the new batteries installed, verify remote key fob by pressing buttons. If everything working fine, assemble your fob’s case in reverse order.
At this point squeeze fob’s back cover together. Line your case pieces together and put it in place by hands from top to bottom. Check your fob case for gaps. If it is not tightly closed try to repeat 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