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How to Reset the Service Light on Your 2018 Mercedes GLA

Model: Mercedes Gla MK 1, W156 - Years 2013-2019
Part: Service warning light

This video will show you how to reset the service light on your 2018 Mercedes GLA. First, locate the instrument panel for the car's warning lights using the arrows on the left side of the steering wheel and press OK. Next, hold down the button depicting a phone for a few seconds, then press the confirmation button (OK) found at both ends of the steering wheel controls. Using the arrows and the OK button, navigate to 'Assist Plus', then 'Full Service', and finally 'Full Service Configuration'. Confirm by clicking 'Yes' and then 'Confirm', and you will be done.

Updated on 31 March 2026 by ScegliAuto

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