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How to Reset the Service Light on a Mercedes GLA?

Model: Mercedes Gla MK 2, H247 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Service warning light

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Video tutorial

In this tutorial, you will learn how to reset the service light on a Mercedes GLA. This operation is extremely simple and quick, and should only be performed after completing all required scheduled maintenance tasks. First, enter the cabin, then insert the key and turn on the ignition.

Next, press and hold both the left selection button and the "Back" button for 5 seconds to access the general menu, then enter "Workshop". At this point, select "ASSYST PLUS", then "Full Service" and perform the reset using the "Confirm Service" option.


Updated on 4 November 2026 by ScegliAuto


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How to Replace the Glow Plugs in the Fiat Ducato 2.3 Multijet?

Glow plugs, as the name suggests, raise the temperature of the engine in diesel vehicles to allow for easier starting. The manufacturer, in this case, Fiat for the Ducato 2.3 Multijet, specifies how often they should be replaced, and a warning light will illuminate when it's time. This work is carried out under the bonnet. First, remove the upper engine cover, then lift the coil and, using a socket wrench of the appropriate size, unscrew the glow plug to remove it from the base, followed by installing the new one.

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by ScegliAuto

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