How to Open Your 2012 Mercedes-Benz S350 Key Fob and Change Battery
Key fob grant easy access to your car. If the keyless entry remote battery is dead you’ll not to be able close doors from distance. It's not difficult to change the battery in your key fob, and it’s easier than you think. Everything you need is explained in this post.
What is the battery key fob requireReplacing batteries in key fob require 2 CR2025 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
- 2xCR2025 batteries
- flat head screwdriver
Simple steps to replace the battery in your car's key fob
A tiny coin battery installed inside the your remote key fob. Move the key out of the way if it is in the keyless entry remote.
Delicately try to pry apart your fob with flat head screwdriver. Remove two CR2025 batteries with flat head screwdriver.
Change old batteries with new one CR2025. Battery must be installed with the same position as was an old. Your keyless entry remote will not work if you mistakenly place battery wrong way.
After the new batteries installed, check remote key fob functionality by pressing buttons. If everything is functioning, assemble your fob’s body in reverse order.
At this point squeeze keyless entry fob's back cover together. Line your case two halves together and assemble it in place by hands from top to bottom. Inspect your fob case for gaps. If it is not firmly closed try to repeat last step.
Key Fob Battery Replacement 2012 Mercedes-Benz S350 Video
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one