
Driving and Driving Safety
163
Operating states when adaptive cruise
control is switched on
There are three possible operating states when
adaptive cruise control is switched on.
Adaptive cruise control active
Adaptive cruise control automatically regulates
the speed and distance from the vehicle in front.
The status display
B
turns orange.
Adaptive cruise control is ready
Cruise control and distance control is inactive
after pressing the brakes or interrupting by
pressing the control stalk down (position
3
,
OFF
).
The desired speed that was stored and the
desired distance that was set are retained.
The status display
B
turns gray.
For information on resuming cruise control and
distance control:
f
Please see the chapter “INTERRUPTING AND
RESUMING CRUISE CONTROL AND DISTANCE
CONTROL” on page 165.
Adaptive cruise control passive
Cruise control and distance control is inactive
after pressing the accelerator.
“ACC passive” appears on the multi-purpose
display.
The desired speed that was stored and the
desired distance that was set are retained.
The status display
B
turns gray.
Adaptive cruise control is active again after
you release the accelerator.
Setting and changing the desired speed
Preconditions
– Adaptive cruise control is switched on.
– Vehicle is moving.
– No stationary objects are detected in front.
Setting the desired speed
1.
Press the control stalk on the steering wheel
forward (position
1
).
The current driving speed is stored as the
desired speed, which will be maintained
automatically (within the control range of
20 to 100 mph (30 to 160 km/h)), and
appears orange in the status display
B
.
The red triangle
C
under the progress bar for
the speed control range shows the speed of
your vehicle.
2.
Release the accelerator pedal.
The desired speed is maintained automatically
unless a vehicle traveling in front is detected
as driving slower than the desired speed.
Information
If your vehicle is stopped, the message
“Impossible while parked” appears on the multi-
purpose display when you press the control stalk
forward (position
1
).
If a stationary object was detected in front, the
message “Stationary object” appears on the
multi-purpose display.
Increasing the desired speed
f
Push the control stalk on the steering wheel
forward (position
1
).
The desired speed is increased in steps
of 1 mph (1 km/h).
or
Press the control stalk on the steering wheel
forward and keep it pressed (position
1
).
The desired speed is increased in steps
of 5 mph (10 km/h).
The status display
B
shows the new desired
speed.
The red triangle
C
under the progress bar for
the speed control range shows the speed of
your vehicle.
Reducing the desired speed
f
Briefly pull the control stalk on the steering
wheel towards the steering wheel (position
2
).
The desired speed is decreased in steps
of 1 mph (1 km/h).
or
Pull the control stalk on the steering wheel
towards the steering wheel and keep it pulled
(position
2
).
The desired speed is decreased in steps
of 5 mph (10 km/h).
The status display
B
shows the new desired
speed.
The red triangle
C
under the progress bar for
the speed control range shows the speed of
your vehicle.