Can the Mercedes-Benz E300 key be charged?

[VonReid]

Mercedes-Benz E300 key cannot be charged. Currently, there are no rechargeable car keys available. Car keys can be opened to replace the battery. The method to replace the battery is: Press the button on the transmitter to pull out the key; Insert a flat tool into the bottom of the transmitter to separate it into two halves; Press the battery and slide it toward the bottom of the transmitter to remove it; Insert the new battery with the positive side facing the back cover, and press the battery down until it is fixed in the correct position. Signs of a low battery in the remote key: The remote control distance becomes shorter. Previously, the door could be opened from 5 or 6 meters away, but now you have to be very close to the door for it to respond; Occasionally, the door does not unlock when pressing the button, requiring multiple attempts to succeed. Observe the indicator light on the key. When pressing the button, the light is dimmer than usual or flickers.