Tire pressure
This is pressure inside the tire applying an outward force to each square inch of the tire's surface. The tire pressure is specified in pounds per square inch (psi), in kilopascal (kPa) or in bar. The tire pressure should only be corrected when the tires are cold.
See also:
PRE-SAFE® (preventative occupant
protection)
WARNING
The PRE-SAFE® system reduces the impact of
an accident on vehicle occupants, as long as
their seat belts have been fastened correctly.
Although your vehicle is equipped with a PRESAFE
...
BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles
equipped with DISTRONIC PLUS.
Observe the "Important safety notes"
section
At speeds above approximately
4 mph (7 km/h), BAS PLUS assists you w ...
Important safety notes
While the vehicle is in motion, the tire pressure loss warning system monitors
the set tire pressure using the rotational speed of the wheels. This enables the
system to detect significant pressur ...