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140
Driving and Driving Safety
Adaptive Cruise Control (ACC)
(Only in conjunction with PDK)
Adaptive cruise control maintains any selected
speed between approx. 20–100 mph
(30–160 km/h) when driving on open roads
without you having to use the accelerator.
If a vehicle travelling ahead of you in the same lane
is detected as driving slower than the selected
speed, adaptive cruise control will automatically
maintain a set distance from the vehicle in front.
Adaptive cruise control slows your vehicle down if
the distance to the vehicle ahead becomes too
short and accelerates your vehicle if the distance
increases.
If the current traffic situation does not allow you to
drive safely at a constant speed and with sufficient
distance to the vehicle in front, using the adaptive
cruise control can cause accidents.
f
Do not use the adaptive cruise control in heavy
traffic, in construction traffic, in city traffic, on
twisting roads or under unfavorable road
conditions (e.g. wintry or wet conditions,
varying road surfaces).
f
Brake the vehicle immediately with the
footbrake if the deceleration of the adaptive
cruise control is not sufficient.
f
Make sure that it is possible to take over
control of the vehicle at all times.
f
Observe all local and national speed limits.
Adaptive cruise control will not detect stationary
or slowly moving vehicles, pedestrians, objects on
the road, oncoming vehicles in the same lane or
cross traffic.
f
You must pay attention to your vehicle’s
position in relation to other objects and inter-
vene as needed to ensure safe driving.
f
Always keep the direction of travel in your field
of view.
Radar sensor
Adaptive cruise control uses a radar sensor
located in the center of the front apron (
arrow
).
Information
f
Always keep the radar sensor clean and free of
ice and snow to ensure that it is fully functional.
f
Please see the chapter “CAR CARE
INSTRUCTIONS” on page 210.
Misuse of adaptive
cruise control
WARNING
h
Adaptive cruise control
limits.
WARNING
h
14_C7NF_21.book Seite 140 Mittwoch, 26. März 2014 12:15 12