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How to Reset the Service Light on a Mercedes A-Class?

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Service warning light

Inside the Mercedes A-Class, to reset the Service light, turn on the ignition by turning the key in the ignition switch. Next, press and hold the OK button and the button for answering calls, located on the two spokes of the steering wheel, for about three seconds. At this point, a screen will appear from which you can select the "ASSYST PLUS" option, navigating to general maintenance; doing so will bring up another screen where you can select the reset for the Service light, completely resetting the indicator.

Updated on 19 September 2026 by ScegliAuto

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