How To Open A Mercedes Key Fob. To replace your Mercedes-Benz key fob battery in an older SmartKey. Once youve removed the cover remove the exposed cr 2025 batteries and replace them with new ones.

To open a Smart Key fob take note of the latch at the end of the fob. To open a Mercedes-Benz Smart Key and replace the battery. How To Open Mercedes Key Fob 2019.
Your Mercedes key fob has stopped working with no warning or explanation.
To unlock the door remove the metal blade key from your Mercedes-Benz key fob. Fair warning the alarm will go off when you manually open the drivers door but theres no need to worry. First turn off valet mode and then simply start the vehicle with either the key or using the KeylessGo Push Start Button and allow the vehicle to run for one 1 minute. To open the keys cover press the key into the flat and narrow end of the fob.
