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How to Reset the Service Light on a Mercedes CLA 250

Model: Mercedes CLA C117, X117 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Warning light – error code

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Video tutorial

This article explains the procedure to reset the maintenance light on a 2016 Mercedes CLA 250. The procedure does not require software or tools. First, insert the key and turn it to position 1. Then, press and hold both the phone button and the OK button for 5 seconds.

This will open the menu. Scroll down to the ASSYST PLUS option and select it. Next, choose the complete service option, then select confirm complete service.

Now, select the type of oil used for the engine oil change, confirm, and then confirm that you want to reset. The procedure is now complete, and you can restart the instrument cluster to verify that the procedure was successful.


Updated on 23 October 2026 by ScegliAuto


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by ScegliAuto

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