Mercedes-Benz E-Class Sedan, Operator'S Manual

Page: 176 / 498

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If the lane markings change quickly, e.g.
lanes branch off, cross one another or
merge.
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The road is narrow and winding.
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If there are highly variable shade conditions
on the road.
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If there are obstacles such as object markers
on the lane or projecting out into the lane.
The system does not provide assistance in the
following conditions:
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On very sharp bends.
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When towing a trailer.
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If you actively change lane without switching
on the turn signal indicator.
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If you switch on the turn signal indicator and
the conditions for activating Active Lane
Change Assist are not fulfilled.
Activating Active Steering Assist
Requirements:
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ESP ® must be activated, but not intervening.
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Active Distance Assist DISTRONIC must be
activated.
#
If indicator lamp 1 is off: press button 2 .
Function of Active Lane Change Assist
Active Steering Assist is only an aid. You are
responsible for the distance to the vehicle in
front, for vehicle speed, for braking in good time
and for staying in lane. Before changing lanes,
make sure that the neighboring lane is free
(shoulder view).
% The availability of the following function is
country-dependent.
Active Steering Assist remains active even if the
turn signal indicator is switched on. Active Steer‐
ing Assist then assists the driver when changing
lanes by applying steering torques to initiate the
lane change.
Assistance when changing lanes is provided if all
the following conditions are met:
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You are driving on a freeway or high-speed
multi-lane major road with multiple lanes in
the direction of travel.
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The neighboring lane is free and separated
by a broken lane marking.
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The driven speed is between 50 mph
(80 km/h) and 110 mph (180 km/h).
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The turn signal indicator is switched on for
longer than two seconds.
If the system is impaired, Active Lane Change
Assist may be interrupted. If an interruption
occurs, display 1 appears in the multifunction
174 Driving and parking