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

Model: Mercedes Classe A W177 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Service warning light

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Video tutorial

To reset the Service light on a Mercedes A-Class, turn on the ignition and navigate through the menu using the directional arrows on the steering wheel controls. Select the icon with two wrenches and then choose the ASSYST PLUS option.

Next, select FULL SERVICE, and proceed to choose the oil quality based on what was used for the oil change. A screen will appear asking if you want to confirm the operation: by selecting "Yes," the Service light will be successfully reset.


Updated on 22 April 2026 by ScegliAuto


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Where are the fuses located on the Renault Laguna?

On the Renault Laguna, the fuses are located inside the fuse boxes installed in the vehicle: in this car model, you will find two boxes for containing the fuses. The first is in the fuse box on the left side of the dashboard, accessible by opening the driver's door: here you will find the fuses for the windscreen wipers, fog lights, horn, etc. The second box is located on the right side of the engine compartment: here you will find the fuses for the dipped headlights, radiator fan, alternator, etc.

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by ScegliAuto

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