Automatic Engine Switch-Off - Mercedes-Benz CLS 2015 Operator's Manual

and to depress it before the vehicle begins to
roll.
G WARNING
After a short time, hill start assist will no lon-
ger brake your vehicle and it could 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 on a
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downhill gradient.
the transmission is in position N.
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the 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 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 key
or the Start/Stop button.
If the engine has been switched off automat-
ically by the ECO start/stop function, the
¤ symbol is shown in the multifunction
display.
AMG vehicles: in addition, the
active active message is shown in the AMG menu
in the multifunction display.
AMG vehicles: the ECO start/stop function
is only available in drive program C.

Automatic engine switch-off

If the vehicle is braked to a standstill in D or N,
the ECO start/stop function switches off the
engine automatically.
The ECO start/stop function is operational
when:
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 temper-
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ature.
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 windshield is
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not fogged up when the air-conditioning
system is switched on.
the hood is closed.
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the driver's door is closed and the driver's
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seat belt is fastened.
Driving
153
Stop/Start Stop/Start
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