How to Open Your 2007 Mercedes-Benz E63 AMG Key Fob and Change Battery

Keyless entry remote grant access to your car. When the keyless entry remote battery is dead you’ll lose your fob’s ability to control distance opportunities. In this article, we walks you through how to disassembly your car keyless entry remote and change your Mercedes-Benz key battery.
What size battery does 2007 Mercedes-Benz E63 AMG keyless entry remote take
Don't forget before disassembly remote key fob be sure that you have all required tools and materials: flat head screwdriver and 2xCR2025 batteries.- flat head screwdriver
- 2xCR2025 batteries
Step by step instruction
A tiny button cell battery installed inside the your key fob. Move the key out of the way if it is in the keyless entry remote.
Carefully try to open your fob with flat head screwdriver. Change 2 CR2025 batteries with flat head screwdriver.
Change old batteries with new one CR2025. Battery must be installed with the same polarity as was a previous. Your key will not work if you mistakenly put battery wrong way.
Before assembling keyless entry fob's case, check that all functions works by pressing buttons on key fob.
The last thing to do is put your cover back on fob. Carefully try to put the two halves in place by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.
Video of remote key fob opening
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries