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:
Activating/deactivating
Turn the SmartKey to position 2
in the ignition lock.
To switch on: press the
button. The indicator lamp in the
button lights up. Airflow and air
distribution are set to automatic mode.
or ...
Warning and indicator lamps
Warning and indicator lamps
...
Assembling the ball coupling
Mercedes-Benz recommends that you
have the ball coupling assembled at a
qualified specialist workshop. Only a
qualified specialist workshop has the
necessary specialist knowledge and tool ...