Activating/deactivating PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS.
Press the 
or
button on the
steering wheel to select the DriveAssist
menu.
Press 
or
to select PRE-SAFE
Brake.
Press 
.
The current selection is displayed.
To activate/deactivate: press
again.
When PRE-SAFE® Brake is
activated, the multifunction display shows
the 
symbol as long as the HOLD
function is not activated.
See also:
911 emergency call
WARNING
The 911 emergency call system is a public
service. Using it without due cause is a
criminal offense.
The following requirements must be fulfilled
for a 911 emergency call:
• the m ...
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. ...
Setting the airflow
- Turn the SmartKey to position 2 in the
ignition lock.
- To increase: press the button.
- To reduce: press the button.
You can use automatic climate control to
set the airflow in the re ...