Additives

Do not use any additives in the engine oil.
This could damage the engine.

    See also:

    Problems with the rear window defroster
    The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...

    Important safety notes
    Level control adapts the vehicle level automatically to the current operating and driving situation. This results in reduced fuel consumption and improved handling. For vehicles with ADS: when y ...

    Headlamps fogged up on the inside
    The headlamps may fog up on the inside if there is high atmospheric humidity. - Drive with the headlamps switched on. The level of moisture diminishes, depending on the length of the journey and ...