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How to Reset the Service Light in the Mercedes M-Class?

Model: Mercedes Classe M W166 - Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Part: Service warning light

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Video tutorial

In this tutorial, you can see how to reset the service light in the Mercedes M-Class, a very simple and quick operation to perform only after completing all scheduled maintenance tasks. First, get inside the cabin, then turn on the ignition and reach the screen displaying the odometer.

Next, press and hold both the call button and the "OK" button; in the menu that appears, enter "ASSYST PLUS", "Full Service", "Conf. Full Serv.", and confirm the reset. To complete the procedure, simply restart the vehicle.


Posted on 23 October 2026 by ScegliAuto


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How to Remove the Toll Tag Holder from the Car Windscreen

The toll tag holder is usually attached to the car windscreen to ensure that the toll tag functions immediately when passing through barriers. However, if you decide to remove the holder, you should follow this procedure: - Insert the toll tag into the holder; - Pull the holder inwards to detach it from the windscreen; you can use a glass scraper or a stiff plastic card to assist you; After removing the holder, it is essential to remove the adhesive from the windscreen. To remove the adhesive, we recommend using a solvent-based spray that will remove the glue without clouding the area.

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by ScegliAuto

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