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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

As shown in this tutorial, resetting the service light on a Mercedes CLA is an extremely simple and quick operation. Before proceeding, ensure that you have completed all required scheduled maintenance tasks. Start by turning on the ignition, then press and hold the call button and, a fraction of a second later, also press the "OK" button. Next, go to "ASSYST PLUS", enter "Full Service", and perform the reset by selecting the "Confirm service" option at the end of the list. Restart the vehicle to verify that the operation was successful.

Updated on 5 September 2026 by ScegliAuto

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