Safety information

The tire characteristics and tire inflation pressure influence the following:

  • The service life of the tires.
  • Road safety.
  • Driving comfort.
    See also:

    Priority options
    The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...

    Tire identification marks
    Tire size 255/50 R 19 103 Y 255: nominal width in mm 50: aspect ratio in % R: radial tire code 19: rim diameter in inches 103: load rating, not for ZR tires Y: speed rating, before the R on ZR ...

    Entering a phone number
    Dialing a number 1. "Telephone" 2. "Dial number" 3. Select the digits individually. 4. Select the symbol. The phone number can also be entered by voice. ...