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Always secure animals properly when driv-
ing, for instance with a suitable pet carrier.
Driving safety systems
Overview of driving safety systems
In this section, you will find information about
the following driving safety systems:
R
ABS (Anti-lock Braking System)
(Y page 60)
R
BAS (Brake Assist System) (Y page 61)
R
Brake Assist with cross-traffic function
(Y page 61)
R
Active Brake Assist (Y page 63)
R
Adaptive brake lights (Y page 65)
R
ESP
®
(Electronic Stability Program)
(Y page 65)
R
EBD (Electronic Brake force Distribution)
(Y page 69)
R
ADAPTIVE BRAKE (Y page 70)
R
Active Brake Assist with cross-traffic func-
tion (Y page 70)
R
STEER CONTROL (Y page 72)
Important safety notes
If you fail to adapt your driving style or if you
are inattentive, the driving safety systems can
neither reduce the risk of an accident nor
override the laws of physics. Driving safety
systems are merely aids designed to assist
driving.
You are responsible for maintaining the dis-
tance to the vehicle in front, for vehicle speed,
for braking in good time, and for staying in
lane. Always adapt your driving style to suit
the prevailing road and weather conditions and
maintain a safe distance from the vehicle in
front. Drive carefully.
The driving safety systems described only
work as effectively as possible when there is
adequate contact between the tires and the
road surface. Pay particular attention to the
information regarding tires, recommended
minimum tire tread depths etc. in the "Wheels
and tires" section (Y page 293).
In wintry driving conditions, always use winter
tires (M+S tires) and if necessary, snow
chains. Only in this way will the driving safety
systems described in this section work as
effectively as possible.
ABS (Anti-lock Braking System)
General information
ABS regulates brake pressure in such a way
that the wheels do not lock when you brake.
This allows you to continue steering the vehi-
cle when braking.
The ! ABS warning lamp in the instrument
cluster lights up when the ignition is switched
on. It goes out when the engine is running.
ABS works from a speed of about 5 mph
(8 km/h), regardless of road-surface condi-
tions. ABS works on slippery surfaces, even
when you only brake gently.
Important safety notes
i
Observe the "Important safety notes" sec-
tion (Y page 60).
G
WARNING
If ABS is malfunctioning, the wheels could
lock when braking. The steerability and
braking characteristics would be severely
affected. There is an increased danger of
skidding and accidents.
Drive on carefully. Have ABS checked imme-
diately at a qualified specialist workshop.
When ABS is malfunctioning, other systems,
including driving safety systems, will also
become inoperative. Observe the information
on the ABS warning lamp (Y page 236) and
display messages which may be shown in the
instrument cluster (Y page 206).
Brakes
X
If ABS intervenes: continue to depress the
brake pedal vigorously until the braking sit-
uation is over.
X
To make a full brake application: depress
the brake pedal with full force.
If ABS intervenes when braking, you will feel a
pulsing in the brake pedal.
60
Driving safety systems
Safety
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