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Hill start assist
Hill start assist helps you when pulling away for-
wards or in reverse on an uphill gradient. It holds
the vehicle for a short time after you have
removed your foot from the brake pedal. 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.
G
WARNING
After a while, hill start assist no longer holds
the vehicle and it may roll away. There is a risk
of an accident and injury.
Therefore, quickly move your foot from the
brake pedal to the accelerator pedal. Never
leave the vehicle when it is held by hill start
assist.
Hill start assist is not active if:
you are pulling away on a level road or a
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downhill gradient
on vehicles with automatic transmission, the
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transmission is in position N
the electric parking brake is applied
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®
ESP
is malfunctioning
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ECO start/stop function
Introduction
The ECO start/stop function switches the
engine off automatically if the vehicle is stopped
under certain conditions.
When pulling away again, the engine starts auto-
matically. The ECO start/stop function thereby
helps you to reduce the fuel consumption and
emissions of your vehicle.
Important safety notes
G
WARNING
If the engine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving.
There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes
ECO start/stop display
:
All vehicles (except Mercedes-AMG vehi-
cles): the ECO start/stop function is activated
whenever you switch on the engine using the
key or the Start/Stop button.
If the è ECO symbol is shown in green in the
multifunction display, the ECO start/stop func-
tion switches the engine off automatically once
the vehicle stops moving.
If the ECO start/stop function has been man-
ually deactivated (
page 151) or a malfunction
Y
has caused the system to be deactivated, the
è ECO symbol is not displayed.
Mercedes-AMG vehicles: the ECO start/stop
function is only available in drive program C.
Mercedes-AMG vehicles: the ECO start/stop
function is activated whenever you switch on
the engine using the key or the Start/Stop but-
ton. This is the case if:
the ignition was switched off for more than
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four hours or
the ECO start/stop function had been activa-
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ted before the engine was switched off
Automatic engine switch-off
General notes
The ECO start/stop function is operational and
the è ECO symbol is displayed in green in the
multifunction display, if:
the indicator lamp in the ECO button is lit
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green
the outside temperature is within the range
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that is suitable for the system
the engine is at normal operating temperature
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the set temperature for the vehicle interior
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has been reached
the battery is sufficiently charged
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the system detects that the windscreen is not
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misted up when the air-conditioning system is
switched on
Driving
149
Z
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