Activating/deactivating PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS.
•► Press the 
button on the
steering wheel to select the DriveAssist
menu.
•► Press 
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.
Vehicles with Parking Guidance: if
PARKTRONIC is activated and you are driving
at a speed under 22 mph (35 km/h) the
symbol for Parking Guidance is displayed
instead of the 
symbol.
See also:
Wet roads
WARNING
After driving in heavy rain for some time without applying the brakes or through
water deep enough to wet brake components, the first braking action may be somewhat
reduced. You have ...
Transferring data to another system
(vehicle)
Insert/connect the storage medium (SD
card or USB stick) with the saved data into/
to the relevant interface.
Select Vehicle in the main function bar by
turning the COMAND controller and
p ...
Tire pressure monitor warning
messages
If the tire pressure monitor detects a
significant pressure loss on one or more tires,
a warning message is shown in the
multifunction display. A warning tone also
sounds and the tire pressure ...