2014-2020 Mercedes-Benz GLA-Class Oil Service Reminder Reset
Does your Mercedes-Benz’s oil service reminder flash and need to be reset after changing the engine oil? This guide provides step-by-step procedures for resetting the oil life service reminder on the GLA250 and X156 Mercedes-Benz year models from 2013 to 2021.
Procedure
- Simply remove the push start button by pulling it out from the vehicle.
- Insert the key to the ignition switch and turn it with one click (accessories position on).
- Set the instrument cluster to display the miles.

- Press the phone button on the right side of the steering wheel, then promptly press the OK button on the left side. Hold them both for a few seconds.

- The vehicle’s instrument cluster will show different menus. Select ASSYST PLUS and press the OK button to confirm.

- Select the Full-Service Menu on the vehicle’s instrument cluster.

- Scroll down by pressing the down arrow and select Conf. Full Service by pressing the ok button.

- Select the oil grade used in the vehicle.

- The instrument cluster will ask, “Oil Grade Service carried out?” Select YES, and press OK to confirm the oil reminder reset.


This tutorial shows how to reset the service overdue reminder on a Mercedes-Benz GLA-Class X156.
We hope you find the 2014-2020 Mercedes-Benz GLA-Class Oil Service Reminder Reset guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.
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