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ECO start/stop function
Introduction
The ECO start/stop function switches the
engine off automatically if the vehicle is stop-
ped under certain conditions.
The engine starts automatically when the
driver wants to pull away again. 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
The ECO start/stop function is activated
whenever you start the engine using the
SmartKey or the Start/Stop button.
If the engine has been switched off automati-
cally by the ECO start/stop function, the รจ
ECO symbol is shown in the multifunction dis-
play.
Mercedes-AMG vehicles: the ECO start/stop
function is available only in drive program r.
Automatic engine switch-off
If the vehicle is braked to a standstill with the
transmission in position h or i, the ECO
start/stop function will switch off the engine
automatically.
The ECO start/stop function is operational
when:
R
the indicator lamp in the ECO button is lit
green
R
the off-road program is deactivated
R
the outside temperature is within the range
that is suitable for the system
R
the engine is at normal operating tempera-
ture
R
the set temperature for the vehicle interior
has been reached
R
the battery is sufficiently charged
R
the system detects that the windshield is
not fogged up when the air-conditioning sys-
tem is switched on
R
the hood is closed
R
the driver's door is closed and the driver's
seat belt is fastened
All of the vehicle's systems remain active
when the engine is stopped automatically.
The HOLD function can also be activated if the
engine has been switched off automatically. It
is then not necessary to continue applying the
brakes during the automatic stop phase. When
you depress the accelerator pedal, the engine
starts automatically and the braking effect of
the HOLD function is deactivated.
Automatic engine switch-off can take place a
maximum of four times in a row (initial stop,
then three subsequent stops).
Automatic engine start
The engine starts automatically if:
R
you switch off the ECO start/stop function
by pressing the ECO button
R
in transmission position h or i, the brake
pedal is released and the HOLD function is
not active
R
you depress the accelerator pedal
R
you engage reverse gear k
R
you move the transmission out of position
j
R
you activate the off-road program
R
you unfasten your seat belt or open the driv-
er's door
R
the vehicle starts to roll
R
the brake system requires this
R
the temperature in the vehicle interior devi-
ates from the set range
Driving
129
Driving and parking
Z
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