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How to reset the maintenance indicator on a Mercedes GLA

Model: Mercedes Gla MK 1, W156 - Years 2013-2019
Part: Warning light – error code

Learn how to reset the instrument cluster on a Mercedes GLA: Turn on the ignition without starting the engine, then press the phone button and the OK button simultaneously, holding them together. Ensure you are on the highlighted screen in the video, showing the mileage and automatic gear shifts. Keep both buttons pressed, and a screen will appear with various options. Use the up/down buttons to navigate to "assyst plus"; confirm with "OK" and go to "general maintenance" until "confirm maintenance". Press "OK". It will ask which oil you have used. Confirm the type by checking the bottle, and confirm that you have performed the oil change. Operation complete.

Updated on 6 August 2026 by ScegliAuto

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