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How do you reset the Service light on the Mercedes S-Class?

Model: Mercedes Classe S W221, MK 5 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Service warning light

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Video tutorial

The Service indicator on the instrument panel of the Mercedes S-Class can be completely removed by turning on the display, inserting the key into the corresponding ignition block: once the panel is activated, you can press and hold the OK and call answer buttons.

Then a menu will appear, from which you will need to choose the "ASSYST PLUS" option: then you can select "Service complete", "Service two" and "Full service". This way the Service indicator will be cleared and you can check when the next service will be due on the instrument panel.


Posted on 15 October 2025 by ScegliAuto


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by ScegliAuto

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