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How to Reset the Service on Mercedes A-Class

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Service warning light

To reset the "Service" on a Mercedes A-Class W176, follow these simple instructions. Get in the car, close all doors, and turn on the ignition (but do not start the engine). Use the "down arrow" button among the controls on the left side of the steering wheel to display the odometer. Press the "left arrow" button to display the TRIP option. Press and hold the button with the phone symbol on the right side of the steering wheel. At the same time, press and hold the "OK" button on the left side. Keep both buttons pressed until the display shows "Vehicle Data", "Dynamometer Test", and "Assyst Plus". Select "Assyst Plus" and then "Service Data". Confirm the subsequent options and repeat the same procedure for the "Full Service" option. Confirm all requested options until the display shows "Full Service Completed". Press the "back" button on the left side of the steering wheel and turn off the ignition.

Updated on 28 July 2026 by ScegliAuto

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