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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 on the steering wheel to select the Settings menu. ...

Safety notes
WARNING   Work improperly carried out on electronic components and associated software could cause them to cease functioning. Because the vehicle's electronic components are interconnec ...

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-B ...