Mercedes-Benz E-Class Saloon Owner's Manual page 226

224 Driving and parking
must be initiated. An immediate lane change is
only possible on motorway sections without
speed limits.
If the system is impaired, Active Lane Change
Assist may be cancelled. If it is cancelled, the
Lane change cancelled message appears in the
multifunction display and a warning tone sounds.
& WARNING Risk of accident from chang‐
ing lane to an occupied adjacent lane
Lane Change Assist cannot always detect
clearly if the adjacent lane is free.
The lane change might be initiated although
the adjacent lane is not free.
Before changing lanes, make sure that
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the neighbouring lane is free and there
is no danger to other road users.
Monitor the lane change.
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& WARNING Risk of accident if Lane
Change Assist unexpectedly stops func‐
tioning
If the system limitations for Lane Change
Assist have been reached, there is no guar‐
antee that the system will remain active.
Lane Change Assist cannot then assist you
by applying steering torques.
Always monitor the lane change and
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keep your hands on the steering wheel.
Observe the traffic conditions and steer
and/or brake if necessary.
System limitations
The system limitations of Active Steering Assist
apply to Active Lane Change Assist
( page 221).
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The system may also be impaired or may not
function in the following situations:
The sensors in the rear bumper are dirty,
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damaged or covered, for instance by a
sticker or ice and snow.
The exterior lighting is malfunctioning.
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Activating/deactivating Active Lane Change
Assist
Multimedia system:
Vehicle k Assistance
4 5
Select Lane change assist.
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Activate O or deactivate ª the function.
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Function of Active Emergency Stop Assist
If the driver continually ignores the visual or
acoustic warning to put their hands on the steer‐
ing wheel, the Beginning emergency stop
sage appears in the multifunction display. If the
driver still does not respond, Active Distance
Assist DISTRONIC reduces the speed. The vehi‐
cle is decelerated in stages to a standstill. At
speeds below 60 km/h the hazard warning
lights switch on automatically.
When the vehicle is stationary, the following
actions are carried out:
the vehicle is secured with the electric park‐
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ing brake
Active Distance Assist DISTRONIC is ended
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the vehicle is unlocked
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mes‐