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How to Open and Start a Mercedes GLA with a Flat Key Fob

Model: Mercedes Gla MK 1, W156 - Years 2013-2019
Part: Key

In this video, we will see how to open and start a Mercedes vehicle without a key, even with a flat key fob. Remember that the key fob contains a security key that allows you to open your vehicle: on the back of the fob, there is a small button that, when pressed, releases the security key (or 'blade'). The vehicle has a lock on the driver's side for emergency access. Once inside the vehicle, place the key fob on the centre console and remove the button, which is actually a cap, revealing the key fob that becomes a key: simply turn it, and the vehicle will start.

Updated on 4 September 2026 by ScegliAuto

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