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ESC includes and/or works together with the
anti-lock brake system (ABS) , brake assist sys-
tem, anti -slip regulation (ASR) , electronic dif-
ferential lock (EDL) and electronic interax le
differential lock*. ESC is swit ched on all the
time. In certain situat ions when you need less
traction , you can switch off ASR by pressing
the button [ru
<::;>
page
198,
fig .
182 .
Be sure
to switch ASR on again when you no longer
need less t raction.
Anti-lock braking system (ABS)
ABS prevents the wheels from locking up
when braking . The vehicle can still be steered
even during hard braking . Apply steady pres-
sure to the brake pedal. Do not pump the ped-
al. A puls ing in the brake peda l indicates that
the system is helping you to brake the vehicle.
Brake assist system
The brake assist system can decrease braking
distance. It increases braking power when the
driver presses the brake pedal quickly in emer-
gency situations. You must press and hold the
brake peda l until the situation is over. In
vehicles with adaptive cruise control*, the
brake assist system is more sensitive if the
distance detected to the vehicle ahead is too
small.
Anti -slip regulation (ASR)
ASR reduces engine power when the drive
wheels begin to spin and adapts the force to
the road condit ions. This makes it eas ier to
st art, accelerate and drive up hills.
Electronic diffe rential lock (EDL)
The EDL brakes wheels that are spinn ing and
transfers the drive power to the other drive
wheel or whee ls if the vehicle is equipped with
all-whee l drive*. This function is available up
to about 75 mph (120 km/h).
In extreme cases , EDL automatica lly switches
off to help keep the brake on the braked whee l
from overheating.
EDL
will switch on again au-
tomatically when conditions have returned to
normal.
Int e llig e nt technolog
y
197
Electronic intera xle differential lock*/
selective w heel torque cont rol*
The electronic interaxle differential lock (front
whee l drive) or the se lective whee l torque
cont rol (all-wheel drive) operates when driv-
ing through curves . The front wheel on the in-
side of the curve or both wheels on the inside
of the curve are braked selectively as needed .
This minimizes sliding in the front wheels and
allows for more precise driving through
curves. The applicable system may not acti-
vate when driving in wet or snowy conditions.
A
WARNING
-
- ESC, ABS, ASR, EDL and the electronic in-
teraxle differential lock function* cannot
overcome the laws of physics. This is es-
pecially important on slippery or wet
roads . If the systems begin acting to sta-
bilize your vehicle, you should immedi-
ately change your speed to match the
road and traffic cond itions. Do not let
the increased safety provided by these
systems tempt you to take risks. Doing
so will increase the risk of a loss of vehi-
cle control, collision and serious personal
injuries.
-Always adapt your speed to road, traffic
and weather conditions . The risk of los-
ing control of the vehicle increases when
driving too fast, espec ially through
curves and on slippery or wet roads, and
when driving too close to vehicles up
ahead . ESC, ABS, the brake assist sys-
tem, EDL, ASR and the electronic inte r-
axle different ial lock function* cannot
prevent collisions.
- Always accelerate with special care on
even, smooth surfaces such as t hose that
are wet or covered with ice and snow.
The drive wheels can spin even with
these assistance systems that cannot al-
ways he lp to reduce the risk of loss of ve-
hicle control.
.,.
•
•
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