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

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

To reset the service light on a Mercedes-Benz A-Class, enter the vehicle and turn on the ignition without starting the engine. Use the touch controls on the steering wheel to scroll through the menu on the display until you see the total odometer. Then, press and hold the "OK" button and the green call answer button together for a few seconds until the maintenance menu appears. From here, access the "ASSYST PLUS" section using the steering wheel controls and select the option related to the service or full maintenance. Confirm the reset operation by following the instructions displayed. Finally, turn off the ignition and turn it back on to check that the maintenance warning has been cleared.

Posted on 19 May 2026 by ScegliAuto

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