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Braking
If ABS intervenes when braking, you will feel
a pulsing in the brake pedal.
X
If ABS intervenes: continue to depress the
brake pedal with force until the braking
situation is over.
X
To make a full brake application:
depress the brake pedal with full force.
G
Warning
If the ABS malfunctions, other driving systems
such as the BAS or the ESP
®
are also switched
off. Observe indicator and warning lamps that
may come on as well as messages in the
multifunction display that may appear.
If the ABS malfunctions, the wheels may lock
during hard braking, reducing the steering
capability and extending the braking distance.
The pulsating brake pedal can be an
indication of hazardous road conditions and
functions as a reminder to take extra care
while driving.
Off-road ABS (vehicles with 4MATIC)
An ABS system specifically suited to off-road
terrain is activated automatically if the off-
road drive program (Y page 193) is activated
or the LOW RANGE off-road gear
(Y page 194) is selected.
At a speed below 18 mph (30 km/h) the front
wheels lock periodically when braking. The
digging-in effect achieved in the process
reduces the stopping distance on off-road
terrain. This limits steering capability.
BAS (Brake Assist)
G
Warning
Observe "Important safety instructions"
(Y page 65).
BAS operates in emergency braking
situations. If you depress the brake pedal
quickly, BAS automatically boosts the braking
force, thus shortening the stopping distance.
X
Keep the brake pedal firmly depressed until
the emergency braking situation is over.
ABS prevents the wheels from locking.
The brakes will function as usual once you
release the brake pedal. BAS is 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.
ESP
®
(Electronic Stability Program)
Important safety guidelines
G
Warning
Observe "Important safety instructions"
(Y page 65).
If ESP
®
detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilize the
vehicle. If necessary, the engine output is also
modified to keep the vehicle on the desired
course within physical limits. ESP
®
assists
the driver when pulling away on wet or
slippery roads. ESP
®
can also stabilize the
vehicle during braking.
If ESP
®
intervenes, the d warning lamp
flashes in the instrument cluster.
G
Warning
Never switch off the ESP
®
when you see the
d warning lamp flashing in the instrument
cluster. In this case proceed as follows:
R
When driving off, apply as little throttle as
possible.
R
While driving, ease up on the accelerator
pedal.
R
Adapt your speed and driving style to the
prevailing road conditions.
66
Driving safety systems
Safety
BA 164.1 USA, CA Edition B 2011; 1; 2, en-US
d2mskot Version: 3.0.3.5
2010-04-21T17:25:06+02:00 - Seite 66