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How to Reset the Service Light on a 2018 Mercedes GLC

Model: Mercedes Glc C253, X253, MK 1 - Years 2015-2022
Part: Service warning light

Today, with the help of this short video tutorial, you will learn how to reset the service light on a 2018 Mercedes GLC without using a diagnostic computer. After performing the maintenance service on your vehicle, you can proceed to reset the light. Start by inserting the manual key into the key slot and turning on the ignition. Then, press the OK button and the phone handset button on the steering wheel simultaneously; after about 5 seconds, a secret menu will appear on your Mercedes screen. From there, select "Assist Plus" and only after starting the car, select "Full Service" and confirm each option you click on. At this point, turn off the car.

Updated on 4 September 2026 by ScegliAuto

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