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How to Activate Maintenance Mode on a 2018 Mercedes GLC

Model: Mercedes Glc C253, X253, MK 1 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Checks and maintenance

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Let’s see how to activate maintenance mode on a 2018 Mercedes GLC as shown in the video: this procedure works on Mercedes vehicles with a Keyless-go start button and digital (or semi-digital) instrument displays. You do not need to start the engine; just turn the ignition to the "ON" position.

On the dashboard display, select the screen that shows the total mileage; if it is not visible, use the right button on the steering wheel to navigate to the total odometer. By pressing and holding the "OK" and "phone" buttons together for 5 to 10 seconds, you can access the maintenance screen, and you can navigate with the steering wheel buttons to read and reset service messages, check levels, and more.


Posted on 24 May 2026 by ScegliAuto


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by ScegliAuto

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