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How to Reset the Service Light on the Mercedes Class B W245?

Model: Mercedes Classe B W245, MK 1 - Years 2005-2011
Part: Service warning light

The first step to reset the service light on the Mercedes Class B W245 is to insert the key into the ignition switch and turn it to position 1 to power on the instrument cluster. On the left side of the instrument cluster, find a button that you need to press three times consecutively, then press the button with the downward arrow on the steering wheel to access the "Service Data" screen, then navigate to the "Confirmation" option using the "-" button on the other side of the steering wheel. Press the button next to the arrow buttons, as shown in the video, twice to confirm the reset.

Updated on 9 June 2026 by ScegliAuto

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