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In the Mercedes Class A, how do you turn off the service light?

Model: Mercedes Classe A W177 - Years 2018-2026
Part: Service warning light

Let's find out how to reset the service light in the Mercedes A-Class, in this specific case we are referring to the series produced in 2020. This light comes on when the service is approaching its deadline, so you need to prepare to perform the scheduled maintenance by the manufacturer, such as changing the engine oil, possibly the air filter, pollen filter, and so on. Let's go into detail: turn on the instrument panel, use the buttons on the right side of the steering wheel to access the Menu, select Workshop, Assyst Plus, Service Data, and finally Service B. Once here, all we have to do is authorize the warning light to turn off.

Posted on 20 November 2025 by ScegliAuto

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