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Frequently asked questions about cars and motorcycles

How to Reset the Service Light on a Mercedes G-Class

Model: Mercedes Classe G W4631st - Years: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Part: Service warning light

See other generations:
Video tutorial

When your Mercedes G-Class requests a service, do not ignore it. It asks for your safety and that of others. After the service has been properly performed, you can proceed to reset the service light: start by closing all four doors, then turn on the ignition.

Press and hold the call button and the "OK" button: the service menu will appear. Use the right button to scroll through the menu on the screen.

Confirm with OK, go to "Assyst Plus," then "full service," scroll down to "conf. Full service," confirm with "Yes," and go to "confirm." At that point, keep going back until you return to the mileage.

Turn off the ignition. Turn it back on. The light has been reset.


Updated on 11 July 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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