Mercedes-Benz Actros 2017, Operating Instructions Manual

Page: 255 / 436

The shift ranges of the transmission are divided
into:
R
the low shift range "L" with gears
1
to
4
and reverse gear
k
R
the high shift range "H" with gears
5
to
8
R
the splitter groups with the switch on the front
side of the gear lever
Gearshift options
You can shift gears:
R
in the selected low-range splitter group, e.g.
off-road driving
R
in the selected high-range splitter group, e.g.
on-road driving
R
between low-range and high-range splitter
groups, e.g. when the vehicle is laden
Changing the shift range
! Observe the following maximum permissi-
ble speed when changing shift range from the
fast to the slow group.
When driving in the off-road gear of the trans-
fer case, do not exceed the maximum speed
of 15 km/h when changing gear. When driv-
ing in the road gear or when driving a vehicle
without a transfer case, maintain a vehicle
speed of less than approximately 20 km/h
when changing gear.
If you change from the high-range group to
the low-range group at high speed, the trans-
mission may be damaged.
X Depress the clutch pedal.
X
Shift the gear lever to neutral.
X
Overcome the gear lever pressure point
between the shift ranges with a gentle side-
ways tap of the hand on the gear lever.
X
After approximately 1 second, select the
desired gear without using excessive force.
X Slowly release the clutch pedal.
Selecting the splitter group
By selecting a splitter group, you select a low-
range or high-range ratio for the gear selected
without changing gear itself.
X Move the splitter switch to the upper position
for high-range splitter group
:
or to the
lower position for low-range splitter group
;
.
X
Depress and hold the clutch pedal until the
splitter group is engaged.
X Release the clutch pedal.
Automated transmission
Important safety notes
G
WARNING
If there is a loss of pressure or insufficient
reservoir pressure in the transmission/clutch
circuit, you can no longer shift gears. There is
a risk of an accident.
Do not pull away, or stop the vehicle as soon
as possible, paying attention to road and traf-
fic conditions. Secure the vehicle against roll-
ing away, e.g. with the parking brake. Have
the compressed-air system repaired at a
qualified specialist workshop.
The vehicle has a selectable crawler mode.
When crawler mode is activated, the vehicle
crawls automatically when the service brake is
released and continues rolling at the engine
idling speed.
Automated transmission
253
Driving mode
Z