2005 Mercedes-Benz S430 Key Fob Battery Replacement Guide

Key fob grant access to your Mercedes-Benz. Once the key fob battery is dead you not to be able lock car from distance. In this post, we walks you through how to open your keyless entry remote and replace your Mercedes-Benz key battery.
What type battery does 2005 Mercedes-Benz S430 remote key fob take
Before starting open keyless entry remote check all that you need: flat head screwdriver and CR2025 batteries.- 2xCR2025 batteries
- flat head screwdriver
Step by step guide
A small coin battery installed inside the your remote key fob. Move the key out of the way if it is in the key fob.
Gently try to open your fob with pry tools. Remove two CR2025 batteries with flat head screwdriver.
Get new batteries and install it inside fob’s body. 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 keyless entry fob's case, verify that all functions works by testing buttons on key fob.
At this point squeeze fob’s back cover together. Line your body pieces together and assemble it together by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2005 Mercedes-Benz S430 Video
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries