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How to Reset the Service Light on a Mercedes CLA?

Model: Mercedes CLA C118, X118 - Years 2019-2025
Part: Service warning light

In this tutorial, you will see how to reset the service light on a Mercedes CLA, a very simple and quick operation to perform only after completing all scheduled maintenance tasks. First, go inside the cabin, then insert the key and press the start button once. Next, press and hold the "HOME" button for at least five seconds, then press the "OK" button for another five seconds, and in the menu that appears, select "ASSYST PLUS". At this point, just turn on the instrument cluster, enter "Full Service", "Confirm Service", and select the type of oil used from the list.

Posted on 26 May 2026 by ScegliAuto

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