See also:

Warning and indicator lamps
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Qualified specialist workshop
An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehicle. ...

Resetting to factory settings
For safety reasons, the Day Lights function in the Lights submenu is only reset when the vehicle is stationary. Press the or button on the steering wheel to select the Settings menu. P ...