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How to Reset the Service Light on a Mercedes CLA

Model: Mercedes CLA C117, X117 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Service warning light

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Video tutorial

To reset the service light on a Mercedes CLA, turn on the ignition and start the engine. Note the message indicating the service to be performed.

Then, rotate the key to the first position without starting the ignition. Press and hold the button with the phone icon on the left spoke of the steering wheel while simultaneously pressing the "ok" button on the right spoke.

Scroll down using the arrow button until you reach "assyst plus" and press the "ok" button. Continue scrolling down to "full service" and press "ok". Scroll down to "conf.

Full Serv." and press "ok". Scroll to the oil grade message and press "ok". Go to the "confirm" message and press "ok" to reset the service light. Finally, check by starting the engine and ensuring there are no service messages.


Updated on 29 September 2026 by ScegliAuto


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