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ETS/4ETS (Electronic Traction System)
ETS/4ETS traction control is part of ESP
makes it possible to pull away and accelerate on a
slippery road.
If you select the F or G drive program, a
special ETS system specifically suited to off-road
terrain will automatically be activated.
ETS/4ETS can improve the vehicle's traction by
intervening in the following ways:
The driven wheels are braked individually if
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they spin.
More drive torque is transferred to the wheel
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or wheels with traction.
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Influence of drive programs on ESP
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The drive programs enable ESP
to adapt to dif-
ferent weather and road conditions as well as the
driver's preferred driving style. Depending on the
selected drive program, the appropriate ESP
mode will be activated. You can select the drive
programs using the DYNAMIC SELECT switch
(
page 192).
/
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Function of ESP
Crosswind Assist
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and
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ESP
Crosswind Assist detects sudden gusts of
side wind and helps the driver to keep the vehicle
in the lane:
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ESP
Crosswind Assist is active at vehicle
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speeds between approx. 47 mph (75 km/h)
and 125 mph (200 km/h) when driving
straight ahead or cornering slightly.
The vehicle is stabilized by means of individual
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brake application on one side.
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Function of ESP
trailer stabilization
& WARNING Risk of accident in poor road
and weather conditions
In poor road and weather conditions, the
trailer stabilization cannot prevent lurching of
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the vehicle/trailer combination. Trailers with a
high center of gravity may tip over before
®
ESP
detects this.
Always adapt your driving style to suit
#
the current road and weather conditions.
Driving and parking 215
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When driving with a trailer, ESP
can stabilize
your vehicle if the trailer begins to swerve from
side to side:
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ESP
trailer stabilization is active above
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speeds of 40 mph (65 km/h).
Slight swerving is reduced by means of a tar-
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geted, individual brake application on one
side.
In the event of severe swerving, the operating
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energy output is also reduced and all wheels
are braked.
ESP
®
trailer stabilization may be impaired or may
not function if:
The trailer is not connected correctly or is not
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detected properly by the vehicle.
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