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How to Reset the Service Light on a 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

In this tutorial, you will see how to reset the service light on a Mercedes S-Class, a very simple and quick operation to perform only after completing all scheduled maintenance tasks. First, enter the cabin, then insert the key, turn on the ignition, and navigate to the odometer screen.

Next, press and hold both the call button and the "OK" button. In the menu that appears, go to "ASSYST Plus Workshop", then "Service done", "Services Due", "Full Service", and select the type of oil used from the list.

To complete the procedure, simply restart the vehicle.


Posted on 6 August 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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