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If the ABS malfunctions, the wheels may lock
during hard braking, reducing steering
capability and extending the braking distance.
BAS
G
Observe Safety notes, see page 55.
The Brake Assist System (BAS) operates in
emergency situations. If you apply the brakes
very quickly, the BAS provides full brake
boost automatically, 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
locking.
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.
ESP
®
G
Observe Safety notes, see page 55.
The Electronic Stability Program (ESP
®
) is
operational as soon as the engine is running.
It monitors the vehicle’s traction (force of
adhesive friction between the tires and the
road surface) and handling.
The ESP
®
recognizes that the vehicle deviates
from the direction of travel as intended by the
driver. By applying brakes to individual
wheels and by limiting 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 maneuvers.
The ABS/ESP
®
warning lamp ÷ or d
8
in the instrument cluster comes on when you
switch on the ignition. It goes out when the
engine is running.
The ABS/ESP
®
warning lamp ÷ or d
8
in the instrument cluster flashes when the
ESP
®
is engaged.
G
Warning!
Never switch off the ESP
®
when you see the
ABS/ESP
®
warning lamp ÷ or d
9
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.
Failure to observe these guidelines could
cause the vehicle to skid. The ESP
®
cannot
prevent accidents resulting from excessive
speed.
!
Because the ESP
®
operates
automatically, the engine and ignition must
be shut off (SmartKey in starter switch
position 0 or 1 or KEYLESS-GO start/stop
button in position 0 or 1) when the parking
brake is being tested on a brake test
dynamometer or when the vehicle is being
towed with the front axle raised.
Active braking action through the ESP
®
may otherwise seriously damage the brake
system which is not covered by the
Mercedes-Benz Limited Warranty.
!
The ESP
®
will only function properly if you
use wheels of the recommended tire size
8
Depending on vehicle production date.
9
Depending on vehicle production date.
56
Driving safety systems
Safety and security
230_AKB; 6; 22, en-US
d2ureepe, Version: 2.11.8.1
2009-07-28T18:49:58+02:00 - Seite 56