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Driving safety systems
66
For more information, see “What to do
if …?” (Y page 291).
BAS
G
Observe Safety notes, see
page 64.
The Brake Assist System (BAS) operates in
emergency situations. If you apply the brakes
very quickly, the BAS automatically provides
full brake boost, thereby potentially reducing
the braking distance.
X
Apply continuous full braking pressure until
the emergency braking situation is over.
The ABS will prevent the wheels from lock-
ing.
When you release the brake pedal, the brakes
function again as normal. The BAS is then
deactivated.
G
Warning!
If the BAS malfunctions, the brake system
still functions, but without the additional
brake boost available that the BAS would
normally provide in an emergency braking
maneuver. Therefore, the braking distance
may increase.
Adaptive Brake
Adaptive Brake provides a high level of brak-
ing safety as well as increased braking com-
fort. It is coupled with ABS, ESP
®
and BAS.
Adaptive Brake takes driver and vehicle char-
acteristics into consideration, thus achieving
an optimal braking effect.
For more information on the brake system,
see (Y page 234).
EBP
G
Observe Safety notes, see
page 64.
The Electronic Brake Proportioning (EBP)
enhances braking effectiveness by allowing
the rear brakes to supply a greater proportion
of the braking effort in straight line braking
without a loss of vehicle stability.
G
Warning!
If the EBP malfunctions, the brake system
will still function with full brake boost. How-
ever, the rear wheels could lock up during
emergency braking situations, for example.
You could lose control of the vehicle and
cause an accident.
Adapt your driving style to the changed
driving characteristics.
ESP
®
G
Observe Safety notes, see
page 64.
The Electronic Stability Program (ESP
®
) is
operational as soon as the engine is running
and monitors the vehicle’s traction (force of
adhesive friction between the tires and the
road surface) and handling.
The ESP
®
recognizes when a wheel is spin-
ning or if the vehicle starts to skid. By applying
brakes to the appropriate wheel and by limit-
ing the engine output, the ESP
®
works to
stabilize the vehicle. The ESP
®
is especially
useful while driving off and on wet or slippery
road surfaces. The ESP
®
also stabilizes the
vehicle during braking and steering maneu-
vers.
The ESP
®
warning lamp
v
in the instru-
ment cluster comes on when you switch on
the ignition. It goes out when the engine is
running.
Safety and security