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Resetting the Service Light on a Mercedes B-Class

Model: Mercedes Classe B MK 2, W246 - Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Service warning light

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Video tutorial

The procedure to reset the service light takes just a few minutes; let’s see how to reset the maintenance key on the Mercedes B-Class. First, get inside the vehicle and turn on the ignition; then press the menu button to enter the onboard computer, as shown in the video.

At this point, navigate to the 'assyst plus' option and then to 'full service', confirming and executing the reset of the maintenance light; exit the service menu and turn off the ignition, ensuring that the service light has been successfully reset!


Updated on 29 October 2026 by ScegliAuto


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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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by ScegliAuto

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