How to Open Your 2011 Mercedes-Benz S550 Key Fob & Change Battery
If your car key fob is no longer open doors perfectly, the battery likely needs to be changed. In this post, we outlined how to disassembly your car key fob and replace your Mercedes-Benz key battery.
What type battery does 2011 Mercedes-Benz S550 remote key fob required
Before beginning disassembly remote key fob check all that you need: 2xCR2025 batteries and flat head screwdriver.- flat head screwdriver
- 2xCR2025 batteries
Simple steps to change the battery in your car's remote key fob
A tiny button cell battery installed in the your remote key fob. Move the key out of the way if it is in the remote key fob.
Accurately try to pry apart your fob with flat head screwdriver. Remove CR2025 batteries with flat head screwdriver.
Now it's time to install new batteries in fob’s case. 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 position on battery, by "+" mark.
Before assembling fob’s case, make sure that all working good by testing buttons on remote key fob.
At this point squeeze fob’s back cover together. Line your shell two halves together and assemble it together by hands from top to bottom. Check your keyless entry remote body for gaps. If it is not tightly closed try to repeat last step.
Key Fob Battery Replacement 2011 Mercedes-Benz S550 Video
Mercedes Benz Keyfob Battery Replacement SmartKey Keyless Easy to do
Still not working? Buy new one