Important safety notes

DEF is a non-flammable, non-toxic, colorless, For BlueTEC vehicles only.

DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid.

contact with DEF immediately with water or Rinse surfaces that have come into contact with DEF immediately with water or remove DEF using a damp cloth and cold water. If the DEF has already crystallized, use a sponge and cold water to clean it. DEF residues crystallize after time and contaminate the affected surfaces.

    See also:

    Service menu
    In the Service menu you can: call up display messages () restart the tire pressure loss warning system (Canada only) () check the tire pressure electronically (USA only) () call up the ser ...

    Capacities
    ...

    Setting the specified minimum distance
    You can set the specified minimum distance for DISTRONIC PLUS by varying the time span between one and two seconds. With this function, you can set the minimum distance that DISTRONIC PLUS kee ...