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How to reset the Service light on the Mercedes GLA?

Model: Mercedes Gla W156, MK 1 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Service warning light

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Video tutorial

To reset the Service light on the Mercedes GLA, turn on the ignition by inserting the key into the ignition switch. Once the ignition is on, press and hold the OK button and the button for answering calls on the steering wheel.

You can now scroll through the menu that appears, selecting "ASSYST PLUS", then "Full Service", and finally "Confirm". This will reset the Service light and the maintenance interval, returning to the initial screen and turning off the ignition.


Updated on 1 October 2026 by ScegliAuto


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