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As a result, other traffic participants, e.g., pe‐
destrians 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 necessary,
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:
▷ During intense accelerations or on uphill
grades.
▷ By pressing the accelerator pedal beyond
the resistance point at the full throttle posi‐
tion, kickdown.
▷ The high-voltage battery has an insuffi‐
cient charge.
▷ Selector lever position M/S is engaged.
▷ Adapting to the course of the road when
destination guidance is activated.
▷ System-related requirement for hybrid
components.
Automatic switching off while driving
When reducing speed, the combustion engine
is switched off when the conditions for electric
driving, refer to page 112, are met.
Assistance from the electric
motor
Concept
The combustion engine provides the main
drive power to move the vehicle.
The electric motor provides assistance as
needed with additional propulsive power.
eASSIST
During normal vehicle operation, the electric
motor assists the combustion engine, depend‐
ing on the situation.
eBOOST
Accelerating quickly, such as when passing,
requires the maximum available power from
the electric motor. To do this, apply extra force
to the accelerator pedal.
Energy recovery: CHARGE
Concept
The hybrid system makes it possible to con‐
vert kinetic energy into electrical power when
braking and coasting. This recovered energy
charges the high-voltage battery. If necessary,
this stored electrical energy is output to the
electric motor.
General information
Depending on the settings of the Driving Dy‐
namics Control, refer to page 126, the high-
voltage battery is charged at different speeds
and the vehicle decelerated differently while
coasting.
Functional requirements
The following conditions must be met to re‐
cover kinetic energy:
▷ The vehicle is moving.
▷ Selector lever position D, M/S is set.
Seite 114
Controls Driving
114
Online Edition for Part no. 01402981865 - VI/17
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