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How to replace key ignition with push-button start on a Mercedes car

Model: Mercedes Classe A W176 - Years: 2012, 2013, 2014, 2015, 2016, 2017, 2018
Part: Key

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Video tutorial

In this video, we will see how to install the start button instead of the key on a Mercedes car: the procedure is valid for Class A, B, C, E, GLA. First, let's get the button, which we can find for example on Amazon with the code at a price of 22.49 euros, free delivery for Prime customers.

The installation is very simple, because if we have a key like the one in the video, that is not the metal key but with the slot, we just have to place the button by inserting it in place of the key. Now to start, we just have to press the brake pedal and press the button, and the engine will start.

This method works on all Mercedes produced from 2010 onwards, produced with keyless-go.


Posted on 3 July 2025 by ScegliAuto


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    • Classe A 2012-2018 - Why is my Mercedes A-Class W176 key not recognized? Read answer

How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

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