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Frequently asked questions about cars and motorcycles

How to Replace the Key Battery for the Mercedes E-Class W212

Model: Mercedes Classe E W212 - Years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Part: Key

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Video tutorial

Replacing the button battery inside the smart key for the Mercedes E-Class W212 is very simple and can be done in a few seconds. You don't need any tools; just follow the instructions below.

First, press the button located on the top of the cover and fully remove the physical key. At this point, use the same key to open the cover. Remove the old battery and replace it with a new one. Finally, securely close the cover and insert the physical key back inside.


Updated on 13 May 2026 by ScegliAuto


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As the video clearly shows, disabling or activating the traction control (TRC or ESP) on the Toyota Yaris is very simple. By default, the traction system activates every time the vehicle is started. To disable it, simply press the button depicting a skidding car located in the centre of the vehicle where the controls are, such as the hazard lights and the radio, but near the handbrake. Once disabled, the TRC off light will illuminate on the dashboard. To reactivate it, just press the same button again.

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by ScegliAuto

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