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How to Reset the Service in the Mercedes C-Class?

Model: Mercedes Classe C W204 - Years 2007-2013
Part: Warning light – error code

In this tutorial, you will see how to reset Service A and B in the Mercedes C-Class, a very simple operation to perform only after completing all required scheduled maintenance tasks. First, insert the key and turn on the instrument cluster, not the engine. Then, press the "back" button and scroll through the various screens on the display until you find the one showing the mileage. At this point, turn off the ignition, turn the key to the first position, and simultaneously press and hold the "OK" button and the call button. When the menu appears on the display, first select "assyst plus", then "full service", and finally "confirm full service".

Updated on 9 May 2026 by ScegliAuto

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