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How to Reset the Service Light on a Mercedes C-Class W204

Model: Mercedes Classe C W204 - Years 2007-2013
Part: Service warning light

If the service light on the instrument cluster of your Mercedes C-Class W204 (2007-2013) illuminates despite having completed the regular maintenance, you need to perform this simple manual reset procedure. First, enter the cabin and insert the key into position one. Then, turn on the ignition and immediately press and hold both the call button and the "OK" button simultaneously. Release them as soon as the new menu appears on the display and select "Assyst Plus." Next, select "Full Maintenance" and "Confirm Maintenance." Finally, go back and turn off the ignition.

Updated on 4 July 2026 by ScegliAuto

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by ScegliAuto

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