Additives

Only use DEF in accordance with ISO Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system.

    See also:

    General notes
    The Active Driving Assistance package consists of DISTRONIC PLUS, Active Blind Spot Assist and Active Lane Keeping Assist. ...

    Left control panel
    ...

    Important safety notes
    WARNING Ensure that the trunk lid/tailgate is closed when the engine is running and the vehicle is in motion. Among other dangers, deadly carbon monoxide (CO) may enter the vehicle interi ...