Mercedes-Benz CLS Operator's Manual page 174

Driving systems
172
Otherwise, you may fail to recognize dangers
in time, cause an accident and injure yourself
and others.
If you change to the passing lane, DISTRONIC
PLUS supports you when:
you are driving faster than 40mph
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(60 km/h).
DISTRONIC PLUS is maintaining the
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distance to a vehicle in front.
you switch on the appropriate turn signal.
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DISTRONIC PLUS does not detect a danger
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of collision.
If these conditions are fulfilled, your vehicle
is accelerated. Acceleration will be
interrupted if changing lanes takes too long
or if the distance between your vehicle and
the vehicle in front becomes too small.
i When changing lanes, DISTRONIC PLUS
monitors the left lane on left-hand drive
vehicles and the right lane on right-hand
drive vehicles.
Vehicles with COMAND
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The following function is not operational
in all countries.
DISTRONIC PLUS uses additional information
from your navigation system so that it can
react appropriately to certain traffic
situations. This is the case if, while following
a vehicle, DISTRONIC PLUS is active and you:
approach or drive through a traffic circle
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approach a T-intersection
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turn off at a freeway exit
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Even if the vehicle in front leaves the
detection range, DISTRONIC PLUS
temporarily maintains the current driving
speed and does not accelerate. This is based
on the current map data in the navigation
system.
Example: traffic circle
The current speed is maintained:
approximately ten seconds before the
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traffic circle/T-intersection and for
approximately 1.5seconds when driving on
the traffic circle
approximately twelve seconds before
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reaching a freeway exit and approximately
four seconds after the freeway exit
Afterwards, the vehicle accelerates back to
the set speed you specified.
Stopping
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WARNING
Never get out of the vehicle when DISTRONIC
PLUS is activated.
DISTRONIC PLUS must also never be
operated, activated or deactivated by a
passenger or from outside the vehicle.
DISTRONIC PLUS does not replace the
parking brake and must not be used for
parking.
The DISTRONIC PLUS braking effect is
canceled and the vehicle can start moving if:
DISTRONIC PLUS is deactivated using the
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cruise control lever.
you accelerate.
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there is a malfunction in the system or an
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interruption in the power supply, e.g.
battery failure.
the electrical system in the engine
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compartment, the battery or the fuses are
tampered with.
the battery is disconnected.
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