Intelligent Technology
A WARNING
You should only switch offroad mode on or
switch ESC/ ASR off if your driving abilities
and the traff ic conditions perm it. There is a
risk of slid ing.
- The stabilization function is limited when
offroad mode is switched on. The dr iving
wheels could spin and the vehicle could
swerve, especially on slick or slippery road
surfaces.
- There is no vehicle stab ilizat ion when ESC/
ASR are switched off.
Hill descent assist
Hill descent assist makes it possible to drive
down a hill at a constant speed.
Fig. 147 Center console: hill desce nt ass ist button
.. To switch hill descent assist on, press the !~I
button. The LED in the button turns on.
.. Press the button again to switch it off. The LED
in the button turns off.
Hill descent assist brakes all four wheels auto-
matically in order to limit speed when driving ei-
ther forward or reverse on hills with a grade from
approximately 6 to 60%. The wheels w ill not lock
up because the ABS remains activated.
When hill descent assist is on, the speed your ve-
hicle was traveling when it entered the hill is
maintained. The assist begins shortly after you
start driving and continues up to approximately
19 mph (30 km/h) . The driver can increase or de-
crease the vehicle speed with in these limits by
pressing the accelerator or brake pedal.
However, there must be enough traction . Hill de-
scent assist
cannot function as expected, if for
144
example the hill is icy or if the surface is loose
~
.&..
Active regulat ion of a speed up to approximately
19 mph (30 km/h) is signaled in the instrument
cluster by an indicator light • . The indicator
light turns on when in the ready mode.
II .
The system does not work at speeds above ap-
prox imately 19 mph (30 km/h) . The system is
then in ready-mode . This is indicated by the LED
in the button turning on.
Hill descent assist is automatically activated un-
der t he following conditions:
- the LED in the button turns on
- the vehicle speed is lower than 19 mph (30 km/
h)
- the hill angle is at least approximately 6%
A WARNING
-
- Always adapt your speed to the weather,
road and traffic conditions. Do not let the
increased safety provided tempt you into
taking risks, because th is increases the risk
of an accident.
- The hill descent assist system cannot over-
come the laws of phys ics. Your driving style
must always be adapted to the current road
and traffic cond itions .
- Hill descent ass ist may not be able to hold
your veh icle at a constant speed under all
conditions while driving on a hill (for exam-
ple if ground under the vehicle is loose).
Brakes
New brake pads
New brake pads do not achieve their full braking
effect during the first 250 mi (400 km). They
must be "broken in" first. However, you can com-
pensate for the slightly reduced braking force by
pressing firmly on the brake pedal. Avoid heavy
braking during the break-in period.
Wear
Brake pad wea r depends largely on the way the
vehicle is driven and on operating conditions .
This is especially true if you are driving frequent ly .,.
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