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Auto Start/Stop function, coasting
Concept
The combustion engine is automatically
stopped and disengaged from the drivetrain.
This driving condition of rolling is referred
to as coasting.
Functional requirements
Coasting is possible:
– The high-voltage battery is sufficiently
charged.
– Transmission position D is engaged.
– The drive system is at operating temper-
ature.
– GREEN Mode: when coasting, without
operating the brake, at speeds below
100 mph, approx. 160 km/h.
After coasting, the combustion or electric
motor restarts depending on the operating
state.
Acoustic pedestrian protection
Depending on the country-specific version,
the system generates a continuous driving
noise at standstill with the drive-ready state
activated and during electric driving up to
approx. 20 mph/30 km/h.
A speaker system broadcasts the noise to
the surroundings.
As a result, other road users, for instance
pedestrians or cyclists, can better perceive
the vehicle.
Concept
Depending on the country-specific version,
the system generates a continuous driving
noise during electric driving up to approx.
20 mph/30 km/h.
A speaker system broadcasts the noise to
the surroundings.
As a result, other road users, for instance
pedestrians or cyclists, can better perceive
the vehicle.
Driving with the combustion
engine: POWER
Concept
The combustion engine provides the main
drive power to move the vehicle. If re-
quired, the high-voltage battery is charged
at the same time.
Functional requirements
Automatic starting while driving
The combustion engine is automatically
started under the following conditions while
driving:
– When accelerating heavily or on uphill
grades.
– By pressing the accelerator pedal be-
yond the resistance point at the full
throttle position, kickdown.
– The high-voltage battery has an insuffi-
cient charge.
– Selector lever position M/S is engaged.
– The speed for electric driving is ex-
ceeded while accelerating.
– Adapting to the course of the road when
destination guidance is activated.
– System-related demand from the hybrid
components.
Automatic switching off while driving
When reducing speed, the combustion en-
gine is switched off when the conditions for
electric driving, refer to page 114, are met.
Seite 116
CONTROLS Driving
116
Online Edition for Part no. 01405A02CC9 - II/20
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