How to Replace the Battery in a 2010 Mercedes-Benz R350 Key Fob
If your Mercedes-Benz key fob isn't unlock doors well, the battery likely must to be changed. Below, we described how to disassembly your keyless entry remote and replace your Mercedes-Benz key battery.
What type battery does 2010 Mercedes-Benz R350 keyless entry remote requiredChanging batteries in remote key fob require flat head screwdriver and 2 CR2025 batteries. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
- 2xCR2025 batteries
- flat head screwdriver
Step by step instruction
A tiny coin battery installed inside the your keyless entry remote. Move the key out of the way if it is in the keyless entry remote.
Delicately try to open your fob with pry tools. Replace two CR2025 batteries with flat head screwdriver.
Get new batteries and install it in fob’s shell. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you put battery wrong way.
Before assembling fob’s case, verify that everything working fine by pressing buttons on remote key fob.
The last thing to do is put your cover back on fob. Delicately try to put the pieces in place by hands from top to bottom. Check your remote key fob case for gaps. If it is not tightly closed try to repeat last step.
Video of key opening
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries