2009 Smart Fortwo Key Fob Battery Replacement Guide
If your Smart keyless entry remote is not open doors properly, the battery likely must to be replaced. It's not difficult to change the battery in your remote key fob with our instruction. All you need is outlined below.
What is the battery remote key fob requireChanging battery in key fob require flat head screwdriver and 1xCR2016 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
- flat head screwdriver
- 1xCR2016 battery
Step by step guide
Inside of your keyless entry remote installed tiny button cell battery. Move the key out of the way if it is in the remote key fob.
Carefully try to pry apart your remote key fob with flat head screwdriver. Change CR2016 battery with flat head screwdriver.
Now it's time to install new battery in fob’s body. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you put battery wrong way.
When the new battery installed, check key fob by pressing buttons. If everything is functioning, assemble your keyless entry fob's shell in reverse order.
The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. If your keyless entry remote case firmly closed, we done. If not, repeat the last step.
Video of remote key fob disassembly
Mercedes Smart Car 450 451 Key Fob Battery Replacement - EASY DIY
Still not working? Buy new one