Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 218

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Depending on the vehicle equipment, not all
future route events may be detected by the
system.
System limits Syst em limits
If the calculated route is adhered to when route
guidance is active, ECO Assist will operate with
greater accuracy. The basic function is also availa-
ble without active route guidance. Not all informa-
tion and tra c 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 system may be impaired or may not function
in the following situations:
If there is poor visibility, e.g. due to insu cient
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illumination of the road, highly variable shade
conditions, rain, snow, fog or heavy spray.
If there is glare, e.g. from oncoming tra c,
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direct sunlight or re ections.
If the windscreen in the area of the multifunc-
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tion camera is dirty, or if the camera is misted
up, damaged or covered.
If the radar sensors are dirty or damaged.
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If the tra c signs are hard to detect, e.g. due
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to dirt, snow or insu cient lighting, or
because they are covered.
If the information in the navigation system's
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digital map is incorrect or out-of-date.
If signs are ambiguous, e.g. road signs in road-
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works or in adjacent lanes.
A A ctiv ctivating or deactiv ating or deactivating EC ating ECO Assist O Assist
Multimedia system:
© Settings Assistance
4 5 5
Driving
5
Activate or deactivate the function.
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F F unction of t unction of the r he rout oute-based oper e-based operating-mode str
egy (plug-in hybr egy (plug-in h ybrid) id)
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The following function is country-dependent
and available only in conjunction with an inte-
grated navigation system.
The route-based operating-mode strategy is active
under the following conditions:
Drive program n is selected.
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The "route based" option (
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selected for drive program n in the
DYNAMIC SELECT
Route guidance is active.
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The state of charge of the high-voltage battery
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is su cient.
If the function is active, data on the further course
of the route is evaluated. This includes, e.g. road
type, speed limitations and altitude data.
The hybrid system then adapts the operating
strategy to the further course of the route:
Use of electrical energy and the combustion
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engine are adapted.
State of charge of the high-voltage battery is
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controlled accordingly.
ating-mode strat- at-
Electrical energy is reserved especially for
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electric mode, e.g. urban route sections.
The vehicle automatically selects the operat-
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ing mode.
Driving and parking 215 215
page 218) is
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menu.