Can a Lost Mercedes Car Key Be Tracked?

1 Answers
VanSimon
07/29/25 3:47pm
A lost car key cannot be tracked, but once a new remote key is paired, the original key will automatically become invalid. Here is an introduction to remote keys: Function: A remote key utilizes the wireless remote control feature of the central locking system, allowing you to unlock and lock the doors from a distance without inserting the key into the lock. Working Principle: The key emits a weak radio wave, which is received by the car's antenna. The electronic control unit (ECU) then identifies the signal code, and the system's actuator (motor or electromagnetic coil) performs the locking or unlocking action. This system mainly consists of a transmitter and a receiver.
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