Mercedes-Benz A-Class Operator's Manual page 163

This gives you enough time to move your foot
from the brake pedal to the accelerator pedal and
depress it before the vehicle begins to roll away.
& W W ARNING
ARNING Risk of accident and injury due
to the vehicle rolling away
A er a short time, Hill Start Assist no longer
holds the vehicle.
Swi ly move your foot from the brake
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pedal to the accelerator pedal. Do not
leave the vehicle when it is being held by
Hill Start Assist.
S S t t ar art-o t-o assist assist
F F unction of t unction of the he st star art-o t-o assist assist
The start-o assist enables optimal vehicle accel-
eration from a standstill. For this, a suitably high-
grip road surface is required, the tires and vehicle
must also be in good condition.
Do not activate the start-o assist on public
roads.
Be sure to observe the safety notes and informa-
tion on ESP ® ( page 157).
/
A A ctiv ctivating t ating the he st star art-o t-o assist assist
& W W ARNING
ARNING Risk of skidding and having an
accident from wheels spinning
When you use start-o assist, individual
wheels could spin and you could lose control
of the vehicle.
®
If ESP is deactivated, there is a risk of skid-
ding and accident!
Make sure that no persons or obstacles
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are in the close vicinity of your vehicle.
Deactivating ESP ® ( page 159).
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/
Move the steering wheel to the straight-ahead
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position.
Depress the brake pedal rmly with your le
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foot and keep it depressed.
Engage the h drive position (
/
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Select the sportiest available drive program
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B or C( page 138).
/
Rapidly depress the accelerator pedal fully.
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Take your foot o the brake, but keep the
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accelerator pedal depressed.
The vehicle pulls away at maximum accelera-
tion.
®
Switch on ESP
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dure is complete. ESP
able to stabilize the vehicle if the vehicle starts
to skid or a wheel starts to spin.
Canceling the he st star art-o Canceling t t-o assist
Remove your foot from the accelerator pedal.
#
Reactivate the ESP
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A A TTENTION ASSIST TTENTION ASSIST
F F unction of A unction of ATTENTION ASSIST TTENTION ASSIST
ATTENTION ASSIST assists you on long, monoto-
nous journeys, e.g. on highways and trunk roads.
If ATTENTION ASSIST detects indicators of fatigue
page 142).
or increasing lapses in concentration on the part
of the driver, it suggests taking a break.
ATTENTION ASSIST is only an aid. It cannot
always detect fatigue or lapses in concentration in
time. The system is not a substitute for a well-res-
ted and attentive driver. On long journeys, take
Driving and parking 161 161
once the acceleration proce-
® will otherwise not be
assist
® .