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How to Reset the Service Light on a Mercedes CLA

Model: Mercedes CLA C117, X117 - Years 2013-2019
Part: Warning light – error code

To reset the service light on your CLA, start by sitting in the driver's seat and closing all the doors. Next, turn the key and give it a quick turn to power on the instrument cluster. Now, press and hold the button with the phone icon and the OK button on the steering wheel to access the workshop menu. Use the down arrow button to scroll until you find the Assist PLUS option and press OK. Then, go to General Maintenance and press OK. Now scroll down and press OK to confirm maintenance. Select the type of oil used and replaced, and confirm with OK. Finally, confirm the reset with OK, and your work is complete.

Updated on 6 May 2026 by ScegliAuto

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