Mercedes-Benz Actros Operating Instructions Manual page 246

Brakes
244
the frequent-stop brake if you frequently pull
away and stop for short periods of time, e.g. in
refuse collection operation. The frequent-
stop brake does not replace the service brake
or the parking brake. Further information on
parking the vehicle can be found in the "Stop-
ping and parking" section (
If the ignition lock is switched to position 0
while the frequent-stop brake is activated, the
frequent-stop brake remains activated. An
event window is shown in the on-board com-
puter and a warning tone sounds.
X
To switch on: press the lower section of
the x switch.
The x indicator lamp in the status area
of the on-board computer lights up.
X
To switch off: press the upper section of
the x switch.
or
X
Press the ¿ / x switch into the cen-
tral position.
The x indicator lamp in the status area
of the on-board computer goes out.
Vehicles with automatic transmission:
when you activate the frequent-stop brake,
crawler mode is deactivated automatically.
You can find information on crawler mode in
the "Automated transmission" section
( Y page 252).
Hill holder
G
WARNING
If you brake in wintry road conditions with the
hill holder activated, the wheels can lock
shortly before stopping. Even if you take your
foot off the brake pedal, the wheels remain
locked. The vehicle may skid or slip away, e.g.
on uphill or downhill gradients. There is a risk
of an accident.
Never activate the hill holder in wintry condi-
tions.
Y page 237).
The hill holder assists you when driving on
uphill or downhill gradients. The hill holder
prevents the vehicle from rolling and facili-
tates controlled pulling away.
X
X
Vehicles with automated transmission: if
you do not depress the brake pedal while the
vehicle is stationary and the hill holder is
active, a warning tone sounds. The hill holder
is deactivated and the ¿ indicator lamp in
the instrument cluster goes out.
Vehicles with manual transmission: if you
do not depress the accelerator, clutch or
brake pedal while the vehicle is stationary and
the hill holder is active, a warning tone
sounds. The hill holder is deactivated and the
¿ indicator lamp in the instrument cluster
goes out.
When your vehicle's brake pedal is depressed
until the vehicle is stationary while the hill
holder is activated, the hill holder is active and
the ¿ indicator lamp in the instrument
cluster lights up.
G
WARNING
If you do not stop the vehicle using the service
brake, e.g. when coasting to a stop, the hill
holder will not be activated. The vehicle could
roll away. There is a risk of an accident.
Always brake the vehicle to a standstill using
the service brake in order to activate the hill
holder.
To activate: press the upper section of the
¿ switch.
To deactivate: press the lower section of
the ¿ switch.