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208 Driving and parking
End the support by actively steering in
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non-critical situations.
Drive at an appropriate speed if there
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are pedestrians close to the path of
your vehicle.
System limits
Full system performance is not available for a
few seconds after switching on the ignition or
after driving off.
If Active Brake Assist is impaired or inoperative
due to a malfunction, the Ä warning lamp
appears in the multifunction display.
The system may be impaired or may not func‐
tion, particularly in the following situations:
In snow, rain, fog, heavy spray, if there is
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glare, in direct sunlight or in greatly varying
light conditions.
If the sensors are dirty, misted up, damaged
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or covered.
If the sensors are impaired due to interfer‐
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ence from other radar sources, e.g. strong
radar reflections in multi-storey car parks.
If a loss of tyre pressure or a defective tyre
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has been detected and displayed.
In complex traffic situations where objects
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cannot always be clearly identified.
If pedestrians or vehicles move quickly into
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the sensor detection range.
If pedestrians are hidden by other objects.
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If the typical outline of a pedestrian cannot
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be distinguished from the background.
If a pedestrian is not detected as such, e.g.
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due to special clothing or other objects.
If the driver's seat belt is not fastened.
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On bends with a tight radius.
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The Active Brake Assist sensors adjust auto‐
matically while a certain distance is being
driven after the vehicle has been delivered.
Active Brake Assist is unavailable or only
partially available during the teach-in proc‐
ess.
Activating/deactivating Active Brake Assist
Requirements:
The ignition is switched on.
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Multimedia system:
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Settings
Assistance
4
5
5
Active Brake Assist
5
Select the desired setting.
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The setting is retained when the drive system
is next started.
Deactivating Active Brake Assist
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It is recommended that you always leave
Active Brake Assist activated.
Select Off.
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The distance warning function, the autono‐
mous braking function and the Evasive Steer‐
ing Assist are deactivated.
When the vehicle is next started, the middle
setting is automatically selected.
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If Active Brake Assist is deactivated, the
æ symbol appears in the status bar of the
multifunction display.
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