Mercedes-Benz B-Class Owner's Manual page 246

The windscreen is dirty, misted up, damaged
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or covered in the vicinity of the camera, e.g.
by a sticker.
No, or several, unclear lane markings are pres-
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ent for one lane, or the markings change
quickly, for example, in a construction area or
junctions.
The lane markings are worn away, dark or cov-
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ered up, e.g. by dirt or snow.
If the distance to the vehicle in front is too
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short and thus the lane markings cannot be
detected.
The road is narrow and winding.
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There are obstacles on the lane or projecting
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out into the lane, such as object markers.
The system does not provide assistance in the fol-
lowing conditions:
On tight bends and when turning.
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When crossing junctions.
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At roundabouts or toll stations.
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When towing a trailer.
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When the tyre pressure is too low.
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& W W ARNING
ARNING Risk of accident if Active Steer-
ing Assist unexpectedly stops functioning
If the system limits of Active Steering Assist
are reached there is no guarantee that the
system will remain active or will keep the vehi-
cle in lane.
Always keep your hands on the steering
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wheel and observe the tra c carefully.
Always steer the vehicle paying attention
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to tra c conditions.
& W W ARNING
ARNING Risk of accident if Active Steer-
ing Assist unexpectedly intervenes
The detection of lane markings and objects
may malfunction and cause unexpected steer-
ing interventions.
Steer according to tra c conditions.
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A A ctiv ctivating/deactiv ating/deactivating A ating Activ ctive St e Steer
R R eq equir uirements: ements:
®
ESP is activated, but is not intervening.
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Active Distance Assist DISTRONIC is activa-
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ted.
Multimedia system:
©
4
Select a
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F F unction of A unction of Activ
If the system detects that the driver has not
eering Assist ing Assist
steered the vehicle for a considerable period of
time or has removed their hands from the steering
wheel, display
play. If the driver still does not steer the vehicle,
or gives no con rmation to the system, a warning
Driving and parking 243
Settings Quick access
5 5
Act. Steer. Asst.
ctive Emerg e Emergency St ency Stop Assist op Assist
1 appears in the Instrument Dis-
243