Bar
Metric unit for tire pressure. There are 14.5038 pounds per square inch (psi) to 1 bar; there are 100 kilopascals (kPa) to 1 bar.
See also:
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
which have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Aspect ratio
Relationship between tire height and tire
width in percent. ...
Using KEYLESS-GO
The KEYLESS-GO key must be outside the vehicle. All the doors must be closed.
Touch recessed sensor surface 1 on the door handle until the side windows
and the panorama roof with power tilt/s ...