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How to Reset the Security System of the 2016 Mercedes GLC

Model: Mercedes Glc C253, X253, MK 1 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Warning light – error code

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Video tutorial

In this video, you will learn how to reset the security system of the 2016 Mercedes GLC. Turn on the instrument panel without starting the engine and ensure the key is in position 1 as shown in the video. At this point, press the OK button located on the left side of the steering wheel, followed by the phone button on the right.

Then, press and hold the OK button and the phone button simultaneously for a few seconds until the submenu appears on the display as seen in the video. Now, use the two arrows on the left side of the steering wheel to navigate to 'Assyst Plus'. Press OK and turn the key to position 2. From this point, carefully follow the instructions in the video.


Updated on 3 July 2026 by ScegliAuto


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by ScegliAuto

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