How to Open Your 2003 Mercedes-Benz SLK230 Key Fob & Change Battery
If your Mercedes-Benz keyless entry remote is not working properly, the battery surely needs to be replaced. It's not difficult to replace the battery in your key fob with our step by step instruction. All you need is explained below.
What type battery does 2003 Mercedes-Benz SLK230 remote key fob requiredBefore starting open key fob check all that you need: flat head screwdriver and two CR2025 batteries.
- flat head screwdriver
- 2xCR2025 batteries
Step by step guide
Inside of your remote key fob installed coin battery. Remove any internal key before you try to pry apart the keyless entry remote.
Carefully try to pry apart your remote key fob with flat head screwdriver. Remove 2 CR2025 batteries with flat head screwdriver.
Now it's time to install new batteries in keyless entry fob's shell. Battery must be placed with the same position as was an old. Your key fob will not work if you mistakenly put battery wrong way.
When the new batteries installed, verify key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.
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 keyless entry remote case for gaps. If it is not tightly closed try to repeat last step.
Video of key disassembly
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one