Users Manual Part 3

Table Of Contents
R
The lane markings are worn away, dark or
covered up, e.g. by dirt or snow.
R
The distance to the vehicle in front is too
small and the lane markings thus cannot be
detected.
R
The road is narrow and winding.
R
There are obstacles on the lane or projecting
out into the lane, such as object markers.
R
When towing a trailer.
The system does not provide assistance in the
following conditions:
R
On tight bends and when turning.
R
When crossing junctions.
R
At roundabouts or toll stations.
R
When actively changing lane without switch‐
ing on the turn signal indicator.
R
When the tyre pressure is too low.
Depending on the selected vehicle settings,
Active Steering Assist may be unavailable.
Observe the status display of Active Steering
Assist in the multifunction display.
&
WARNING Risk of accident if Active
Steering Assist unexpectedly stops func‐
tioning
If the system limits of Active Steering Assist
are reached there is no guarantee that the
system will remain active or will keep the
vehicle in lane.
#
Always keep your hands on the steering
wheel and observe the traffic carefully.
#
Always steer the vehicle paying atten‐
tion to traffic conditions.
&
WARNING Risk of accident if Active
Steering Assist unexpectedly intervenes
A malfunction in the detection of lane mark‐
ings and objects can occur.
This could cause unexpected steering inter‐
vention.
#
Steer according to traffic conditions.
Activating/deactivating Active Steering
Assist
Requirements:
R
ESP
®
is activated, but is not intervening.
R
Active Distance Assist DISTRONIC is activa‐
ted.
Multimedia system:
4
©
5
ß
5
Vehicle quick-access
#
Select a Act. Steering Asst.
Function of Active Lane Change Assist
%
The following function is country-dependent
and only available in conjunction with the
Driving Assistance Package.
Active Lane Change Assist supports the driver
when changing lanes by applying steering torque
if the driver operates a turn signal indicator.
Assistance when changing lanes is provided if all
the following conditions are met:
R
You are on a motorway or high-speed major
road.
R
The neighbouring lane is separated by a bro‐
ken lane marking.
Driving and parking
227