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Displayable route events
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The segments of distance display
distance to the event ahead as follows:
A few segments light up: the event ahead is
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near.
Many segments light up: the event ahead is
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further away.
When the vehicle nears the event, ECO Assist will
calculate the optimal speed for maximum fuel
economy and recuperative energy based on the
distance, speed and gradient. The
accelerator3
message appears in the Instru-
ment Display. The first segments in front of the
vehicle will turn green. The remaining segments
will initially stay white. If you take your foot off the
accelerator pedal in good time, the remaining seg-
ments on the display will successively turn green
until the event shown is reached. The drivetrain
will be set for maximum fuel economy. Recupera-
tion will charge the battery. Recuperation will be
adapted to the selected drive program.
The event will be shown for a short time after it
has been passed. If there is no response to the
Foot off the accelerator
will remain white.
2
show the
If the event involves a vehicle in front, all seg-
ments will immediately turn green once there is a
response to the
For active ECO Assist in drive program ;,
symbol
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and on the head-up display beside transmission
position h. Symbol
assistant display is not selected.
If the system does not intervene during the event
Foot off the
ahead, nothing will be displayed. The system will
be passive.
prompt, the segments
Foot off the accelerator
prompt.
will appear on the instrument display
3
will also appear when the
Driving and parking 167
ECO Assist is active only in drive programs ;
and A.
System limits
ECO Assist can function even more precisely if
the route is adhered to when route guidance is
active. The basic function is also available without
active route guidance. Not all information and
traffic situations can be foreseen. The quality
depends on the map data.
ECO Assist is only an aid. The driver is responsible
for keeping a safe distance from the vehicle in
front, for vehicle speed and for braking in good
time. The driver must be ready to brake at all
times, irrespective of whether the system inter-
venes.
The system may be impaired or may not function
in the following situations:
If visibility is poor, e.g. due to insufficient illu-
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mination of the road, highly variable shade
conditions, rain, snow, fog or heavy spray.
If there is glare, e.g. from oncoming traffic,
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direct sunlight or reflections.
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