Mercedes-Benz S-Class Owner's Manual page 249

& 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 243).
→
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
, .
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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Driving and parking 247
if possible, an emergency call is placed to
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the Mercedes-Benz emergency call centre
The driver can cancel the deceleration at any
time by performing one of the following actions:
steering
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braking or accelerating
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pressing a steering wheel button
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operating Touch Control
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activating or deactivating Active Distance
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mes‐
Assist DISTRONIC
Overview of Active Distance Assist
DISTRONIC displays in the instrument clus‐
ter
The assistance graphic and the status display
show the status of the following functions in the
instrument cluster:
Active Distance Assist DISTRONIC
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Route-based speed adaptation
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Active Steering Assist
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