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How to Reset the Service Light in a Mercedes CLA?

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

You can clear the Service light displayed on the instrument cluster of the Mercedes CLA by pressing and holding the menu button on the left side of the steering wheel, after the ignition has been turned on: once the menu screen appears, scroll through the menu to select "ASSYST PLUS." At this point, select "Full Service" and then "Confirm Service": after this operation is completed, you can turn off and turn on the ignition again to verify that the light has been completely cleared.

Posted on 17 May 2026 by ScegliAuto

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