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boost available that the BAS would normally
provide in an emergency braking maneuver.
Therefore, the braking distance may increase.
EBB
G
Observe Safety notes, see page 50.
The Electronic Brake Booster (EBB) 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 EBB malfunctions, the brake system is
still functioning. However, the rear wheels
may lock up during hard braking. You may to
lose control over the vehicle and possibly
cause an accident. Adjust your driving style to
the non-operating status of the EBB.
ESP
®
G
Observe Safety notes, see page 50.
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
spinning or if the vehicle starts to skid. 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 ESP
®
warning lamp d in the
instrument cluster comes on when you switch
on the ignition. It goes out when the engine
is running.
The ESP
®
warning lamp d in the
instrument cluster flashes when the ESP
®
is
engaged.
G
Warning!
Never switch off the ESP
®
when you see the
ESP
®
warning lamp d 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.
!
Only conduct operational or performance
tests on a two-axle dynamometer. If such
tests are necessary, contact an authorized
Mercedes-Benz Center. You could
otherwise seriously damage the brake
system or the transfer case which is not
covered by the Mercedes-Benz Limited
Warranty.
!
Because the ESP
®
operates
automatically, the engine and ignition must
be shut off (SmartKey in starter switch
position 0 or 1) when the parking brake is
being tested on a brake test dynamometer.
Such testing should be no longer than 10
seconds.
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
as specified in the “Technical data” section
of this Operator’s Manual.
52
Driving safety systems
Safety and security
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