Important safety notes

For reasons of safety, Mercedes-Benz recommends that you drive with the lights switched on even during the daytime. In some countries, operation of the headlamps varies due to legal requirements and self-imposed obligations.

    See also:

    Restoring the factory settings
    - Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

    DEF
    Important safety notes For BlueTEC vehicles only. DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. Rinse surfaces that have come into contact with DEF immediately ...

    Making adjustments in 5 mph (Canada:

    10 km/h) increments
    Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...