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Resetting the Service Light on the Mercedes GLA

Model: Mercedes Gla MK 1, W156 - Years 2013-2019
Part: Service warning light

After performing the scheduled maintenance on the Mercedes GLA, you need to reset the control system that alerts you with a message on the display in the centre of the instrument panel regarding the need for intervention. While seated in the driver's seat, press the ignition button to position one, then press the call button and the OK button located on the steering wheel spokes for five seconds until the menu with the Assyst Plus option appears. In the next screen, confirm "full service", scroll to find "confirm full service", and confirm "yes". Select "confirm" and hold down OK until the message indicating successful reset appears.

Updated on 21 August 2026 by ScegliAuto

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