2005 Mercedes-Benz C55 AMG Key Fob Battery Replacement Instructions
If your car keyless entry remote is not working correct, the battery probably must to be replaced. In this article, we explained how to open your key fob and replace a weak or dead battery DIY. If you decide to do it at home near C55 AMG, follow our instruction, but first make sure you have everything you need before you start.
What type battery does 2005 Mercedes-Benz C55 AMG key fob takeBefore beginning open key fob be sure that you have all recommended tools and materials: 2xCR2025 batteries and flat head screwdriver.
- flat head screwdriver
- 2xCR2025 batteries
Step by step instruction
A small coin battery installed inside the your remote key fob. Remove any internal key before you try to pry apart the remote key fob.
Accurately try to pry apart your remote key fob with flat head screwdriver. Change 2xCR2025 batteries with flat head screwdriver.
Change old batteries with fresh one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
When the new batteries installed, verify remote key fob by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.
The last thing to do is put your cover back on fob. Gently try to put the pieces in place by hands from top to bottom. Check your keyless entry remote case for gaps. If it is not firmly closed try to repeat last step.
How to replace the battery video guide
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries