Dr iv ing
"' You can re lease the switch once you are sure
that you are developing enough driving force at
the wheels by depressing the accelerator.
Depending on the weight of the rig (vehi cle and
trai ler) and t he severity of the incline, you may
roll backwards as you start . You ca n prevent roll-
ing bac kwards by holding the parking brake
sw itch pulled out and accelerating - j ust as you
wou ld when sta rting on a hill with a conventional
hand brake.
Emergency braking
In the even t that the conventional brake system
fails or locks.
"' In an emergency, pull the switch and cont inue
to pull it to slow your vehicle down with the
park ing brake .
"' As soon as you release the switch or accelerate,
the braking process stops .
If you pull the sw itch and hold it above a speed of
about 5 mph (8 km/h), the eme rge ncy brak ing
f unction is initi ated . The vehicle is braked at all
four whee ls by activating th e hydrau lic brake sys-
t em. The brake perfo rman ce is sim ila r to making
a n emergency st op ~ .&,.
In order not to activate t he emergency brak ing by
mista ke, an audib le wa rning tone (buzz er)
sounds when the sw itch is pulled . As soon as the
sw itch is rele ased, or the acce le rat o r pedal is de-
pressed, eme rgency bra king stops.
_& WARNING
Emergency braking should only be use d in an
emergency, when the normal foot brake has
failed or the bra ke peda l is obstr ucted . Using
the parking brake to perfo rm emergency
brak ing will slow your vehicle down as if you
had made a fu ll bra ke ap plication . The laws of
physics ca nnot be suspended even wit h ESC
and it s asso ciated componen t s (ABS, ASR,
EDS). In corne rs and when road or we at her
condi ti ons ar e bad , a full bra ke a pplicat ion
can cause the vehicle to skid or the rea r end to
break away - ris king an accident .
88
' Driver messages in the instrument cluster
Caution: Vehicle parked too steep
This message appears when the pa rking brake is
applied on an incline that exceeds about 30%.
In this case the braking power of the pa rking
brake may
not be adequate to prevent the veh i-
cle from roll ing unin t en t ionally.
Press brake pedal to release parking brake
This dr iver message appears when the sw itch to
release the parking brake was pressed. The pa rk-
ing brake can only be released if you step on the
brake pedal and at the same time press the
switch or you automat ically re lease the par king
bra ke wit h t he sta rti ng ass ist ~
page 87 .
f pj Parking brake malfunction!
This dr iver message appears together with the
yellow
DI symbol when there is a parki ng brake
malfunction .
Start/Stop system
Description
Applies to: vehicles wit h Start ·Stop ·System
The Sta rt -Stop-System can he lp increase fuel
economy and reduce CO2 emissions.
In t he Start -Stop -mode, the eng ine sh uts off au -
tomat ica lly when the vehicle is sto pped, such as
at a t raff ic light. The ignition remains switched
on du ring this stop phase . The eng ine will be au-
tomat ically restarted when needed.
The last Start-Stop -System setting (on/off using
the button l(A)~I) will be restored when the igni-
tion is turned on. The LED in t he
l(A)~I button turns
o n when the Start-Stop-System is switched off
manua lly.
Basic requirements for the Start-Stop mode
- The driver 's door is closed.
- The dr iver's sea t be lt is latched.
- The hood is closed .
- The vehicle must have bee n d riven fas te r t han
2.5 mph (4 km/h) s ince t he last st op.
- A t railer is not hitched t o t he vehicle . .,.
To Next Page
Loading...
