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How to Reset the Service Light on a 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 a Mercedes GLA, turn the key to the first position without starting the instrument cluster. Press and hold the button with the phone icon on the left spoke and simultaneously the "ok" button on the right spoke of the steering wheel.

Scroll down with the arrow until you see "assyst plus", press the "ok" button, then scroll down to "full service" and press "ok" again. Scroll down to "conf.

Full. Serv.", press "ok", scroll to "yes", press "ok", go to "confirm", and press "ok" to reset the service light.


Updated on 29 September 2026 by ScegliAuto


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