Mercedes-Benz GL-Class: Resetting to factory settings - Settings menu - Menus and submenus - On-board computer and displays - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Resetting to factory settings

For safety reasons, the Daytime Running Lamps function in the Lighting submenu is only reset when the engine is switched off.

Press to select the Settings menu. on the steering wheel to select the Settings menu.
Press and hold the R reset button on the instrument cluster for approximately three seconds.

A prompt appears in the multifunction display asking you to confirm by pressing the R reset button again.

Press the R reset button again.

The settings of most functions are restored to the factory settings.
or
If you want to retain the settings, do not press the R reset button a second time.
After approximately five seconds, the Settings menu reappears.
Press the different menu. button to select a different menu.

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