Emergency braking
In the event that the conventional brake sys-
tem fails or locks.
11-In an emergency, pull the switch C®) and
conti nue to pull it to slow your vehicle down
with the parking brake .
11-As soon as you release the sw itch C®) or ac-
celerate, the braki ng process stops.
If you pull the sw itch (®) and hold it above a
speed of about 5 mph (8 km/h), the emergen-
cy braking function is initiated. The vehicle is
braked at a ll four wheels by activating the hy-
d raul ic brake system. The brake performance
is sim ilar to making an emergency stop ¢ .&..
In o rder not to activate the emergency brak-
ing by mistake, an audible warning tone (bu z-
zer) sounds when the switc h (®) is pulled. As
soon as the switch(®) is released, or the accel -
erator pedal is dep ressed, emergency braking
stops .
.&_ WARNING
Emergency braking shou ld only be used in
an emergency, when the normal foot brake
has failed or the brake pedal is obstructed.
Using t he parking brake to perform emer-
gency braking will slow you r vehicle down
as if you had made a fu ll brake applicat ion.
The laws of physics ca nnot be suspended
eve n with ESC and its associated compo-
nents (ABS, ASR, EDL) . I n corners and
when road or weather conditions are bad,
a full brake application can cause the vehi-
cle to skid or the rear end to break away -
risking a n accident.
Start-Stop-System
Description
Applies to vehicles : with Start-Stop-System
The Start-S t op -System can he lp increase fuel
economy and red uce CO2 emissions.
In the Start-Stop-mode , the eng ine shuts off
automatically whe n the vehicle is stopped,
such as at a traffic light. The ignit ion remains
On th e ro a d 79
switched on during this stop phase. The en -
gine will be a utomatica lly restarted when
needed .
The las t Start -Stop-Sys t em se t t ing (on/off us-
ing the button
10«<1) will be restored when the
ignition is turned on . The LED in t he
!0•·1 but-
ton t urns on when the Start-Stop-System is
switched off manually.
Basic requir ements for the Start -Stop
mode
- The d river's door is closed.
- The driver' seat belt is latched.
- The hood is closed.
- The vehi cle must have bee n dr iven faster
t han
2.5 mph (4 km/h) since the las t st op.
- A t railer is not hitched to the vehicle.
.&_ WARNING
- Never let the ve hicle roll with the eng ine
sw itched off. You could lose control over
the vehicle. This can lead to a collision
an d serio us inju ries .
- The brake boo st er and t he st eering sup-
port do not work while the engine is
switched off. More force is required to
stop and to steer the veh icle.
- To reduce t he risk of injuries, make sure
that the Start-Stop -System is tu rned off
when working in the eng ine compart-
ment¢
page 81.
([) Note
Always switch off the Sta rt -Stop-System
when driving through water¢
page 81 .
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