The
é
symbol in the on-board computer
shows the status of cruise control in colour:
R
grey symbol: cruise control is selected, but
not activated
R
white symbol: cruise control is activated and
maintains the set speed
Engaging
Functions and activation conditions
Cruise control maintains the set speed of the
vehicle for you. If the set speed is exceeded on
downhill gradients by more than the set speed
tolerance, the continuous brake is applied auto-
matically.
If you are driving slower than 15 km/h, cruise
control cannot be activated.
If cruise control cannot be activated, the on-
board computer will display
- - - km/h
in grey.
Cruise control is deactivated automatically if:
R
you are driving slower than 10 km/h
R
the transmission is shifted into neutral for
more than approximately 5 seconds
If cruise control is deactivated automatically, a
warning tone sounds.
Selecting cruise control
X
Press the
é
button repeatedly until the on-
board computer shows the
é
symbol in
grey.
Activating when driving
X
Select cruise control.
X
Drive at the desired speed and briefly press
the
Ñ
button.
Cruise control is activated and the current
speed is stored.
or
X
Briefly press the
q
button.
Cruise control is activated and assumes the
stored speed.
The on-board computer shows the
é
sym-
bol and the set speed in white.
X
Release the accelerator pedal.
In order to maintain the set speed, cruise
control automatically brakes or accelerates
the vehicle.
Setting the speed and speed tolerance
Increasing/reducing the speed
You can change the speed setting while driving.
X
Activate cruise control.
X
To adjust in 0.5 km/h increments: press
the
q
or
Ñ
button repeatedly until the
desired speed is shown in the on-board com-
puter.
or
X
To adjust in 5 km/h increments: press and
hold the
q
or
Ñ
button until the desired
speed is shown in the on-board computer.
Setting the speed tolerance
Set the speed tolerance (
Driving
Driving tips
Cruise control maintains the set speed more
smoothly in the
A economy
and
A fleet
drive
programs. For this reason, the driving speed and
the set speed may differ slightly under certain
circumstances. This leads to lower fuel con-
sumption. In drive programs
A economy
and
A
fleet
, the speed can be set to a maximum of
85 km/h. In drive program
A economy
, you can
exceed the set speed by depressing the accel-
erator pedal, e.g. for overtaking.
You can decelerate using the continuous brake.
Cruise control remains activated.
If you reset the continuous brake lever, but do
not deactivate it, the vehicle will accelerate on
inclines up to the set speed.
If the continuous brake is deactivated, the vehi-
cle will accelerate to the last stored speed.
If cruise control is decelerating the vehicle using
the continuous brake and you simultaneously
depress the brake pedal, cruise control remains
activated.
If the braking power from the continuous brake
is insufficient:
X
Shift down a gear and reduce your speed.
If you shift down on a downhill gradient with-
out adjusting the speed, cruise control sets an
engine speed lower than the engine over-
speed. The set speed remains set and is auto-
matically re-established as soon as this is
possible in a higher gear.
Driving systems
277
Driving mode
Z
Summary of Contents for Actros 2017
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