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Tips
When the system is turned off temporari-
ly, the speed stored at the time is reta ined.
How is the distance (time interval) set?
Applies to vehicles: with adaptive cruise cont rol
Distance can be set in four stages.
Fig. 1 17
Control leve r: Sett ing distance
... Push the slider switch once to the right
0
or to the left O r:> fig . 117. The distance cur-
rently set is shown for 3 seconds in the in-
strument cluster d isplay .
.., Push the slider switch again to the right
0
or to the left O to increase or to decrease
the d ista nce by one step .
Select distance
The distance at wh ich the adaptive cruise con-
trol follows a vehicle in front is dete rm ined by
time inte rvals. A time interva l to a vehicle in
fro nt is estab lished and ma intai ned. This pro-
d uces a speed-dependent
interva l. The higher
the speed, the greater the safety interva l in
yards (meters) r:>
& .
The dist ances provided are spec ified values.
These distan ces may exceed or fa ll shor t of
these target distances, depe nding on the driv-
ing situation and the d riving style of the vehi-
cle ahead.
Distance 1 ~-~---
This set t ing is ideal for brisk dr iving in bump-
e r-t o-b umper traffic. The d istance is one sec -
ond . This is the equiva lent of, for instance,
- a d istance of 36 feet (11 meters) at a speed
of 25 mph (4 0 km/h)
Adapti v e crui se control
103
- a distance of 72 feet (22 mete rs) at a speed
of 50 mp h (80 km/h)
- a dis tance of 108 feet (33 meters) at a
speed of 7 5 mph (120 km/h)
Distance 2 ~ -- ~ --
This setting is idea l for "keep ing pace" com-
fo rtab ly in bum per-to-bumpe r t raff ic. The dis-
tance is 1. 3 se conds. This is t he equiv alent of,
for instance,
- a distance of 46 feet (14 mete rs) at a speed
of 2 5 mph (40 km/h)
- a distance of 95 feet (29 mete rs) at a speed
of SO m ph (80 km/h)
- a distance of 144 feet (44 meters) at a
speed of 75 mph (120 km/h)
Distance 3 ~ --- ~ -
This setting is idea l for "keep ing pace" in
bumper-to-bumper
traff ic and is the equ iva-
lent of the generally recommended distance
that is "ha lf of the speedometer
speed" . The
distance is 1. 8 seconds. This is the equiva lent
of, for instance,
- a distance of 66 feet (20 meters) at a speed
of 25 mp h (40 km/h)
- a distance of 131 feet (40 meters) at a
speed of SO mph (80 km/ h)
- a distance of 197 feet (60 meters) at a
speed of 75 mph (120 km/h)
Distance 4 ~ ----~
This setting is idea l for secondary road traffic .
The distance is 2 .3 seconds. This is the eq uiva-
lent of, for instance,
- a distance of 82 feet (25 mete rs) at a speed
of 25 mp h (40 km/h)
- a distance of 167 feet (5 1 meters) at a
speed of 5 0 mp h (80 km/ h)
- a distance of 24 9 feet (7 6 mete rs) at a
speed of 7 5 mph (120 km/h)
You can set t he way you r vehicle performs in
ACC mode when accelerat ing and braking in
the radio or MMI* r::> page 108 . Depending on
the d riving prog ram and distance you select,
ll-
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