How to Open the Door When a Mercedes Key Runs Out of Battery

1 Answers
StAnthony
07/29/25 9:36pm
When a Mercedes car key runs out of battery, you can use the mechanical key to open the door. The mechanical key is typically a folding key, and in the event of a dead battery, you can simply unfold the mechanical key to unlock the door. Below are signs that your Mercedes key battery is running low: 1. The remote control distance of the key becomes shorter than before: For example, you used to be able to unlock the car from 5 or 6 meters away, but now you have to stand right next to the door to unlock it. 2. The key occasionally malfunctions when used: For instance, it used to take just one press to open the door, but now it takes two or three presses to unlock it. 3. The indicator light on the key becomes dim or flickers. 4. The dashboard displays a low battery warning.
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