How to Open Your 2007 Mercedes-Benz R350 Key Fob & Change Battery
If your auto keyless entry remote is no longer unlock doors correct, the battery surely must to be changed. It's not complicated to change the battery in your remote key fob with our ultimate guide. All tools, that you need is described below.
What size battery does 2007 Mercedes-Benz R350 keyless entry remote required
Before going to open keyless entry remote be sure that you have all recommended tools and materials: flat head screwdriver and 2xCR2025 batteries.- 2xCR2025 batteries
- flat head screwdriver
Step by step guide
A button cell battery installed in the your remote key fob. Remove any internal key before you try to pry apart the keyless entry remote.
Delicately try to pry apart your key with hands or flat head screwdriver. Replace 2xCR2025 batteries with flat head screwdriver.
Now it's time to install new batteries inside keyless entry fob's body. Battery must be placed with the same position as was a previous. Your key fob will not work if you by mistake put battery wrong way.
After the new batteries installed, check keyless entry remote functionality by pressing buttons. If everything working fine, assemble your keyless entry fob's shell in reverse order.
The last thing to do is put your cover back on fob. Gently try to assemble the two halves in place by hands from top to bottom. Inspect your remote key fob body for gaps. If it is not firmly closed try to repeat last step.
How to replace the battery video instruction
How To Replace A Mercedes R350 Class Key Fob Battery 2007 - 2012
Still not working? Buy new one