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How to reset the maintenance key (service) of the Mercedes B-Class

Model: Mercedes Classe B MK 1, W245 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011
Part: Service warning light

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Video tutorial

Today we will discover the main instructions that will allow us to reset the maintenance key (service) of the Mercedes Classe B. First of all, we get into the car and start the instrument panel; then we press the menu button on the steering wheel to enter the settings, then go to the service option, as shown in the video.

At this point, we follow the guided procedure to confirm and perform the reset of the maintenance key; then we verify the correct reset of the warning on the instrument panel display!


Posted on 12 November 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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