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

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.
no off-road program has been selected.
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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.
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All of the vehicle's systems remain active
when the engine has been stopped auto-
matically.
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The HOLD function can also be activated
if the engine has been switched off auto-
matically. It is then not necessary to con-
tinue applying the brakes during the auto-
matic stop phase. When you depress the
accelerator pedal, the engine starts auto-
matically and the braking effect of the
HOLD function is deactivated.
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The engine can be switched off automat-
ically a maximum of four times (first stop
and three subsequent stops) in succession.
Automatic engine start
The engine starts automatically if:
you switch off the ECO start/stop function
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by pressing the ECO button.
in transmission position D or N the brake
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pedal is released and the HOLD function is
not active.
you depress the accelerator pedal.
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you engage reverse gear R.
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you move the transmission out of position
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P.
you switch to an off-road program.
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you unfasten your seat belt or open the
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driver's door.
the vehicle starts to roll.
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the brake system requires this.
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the temperature in the vehicle interior devi-
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ates from the set range.
the system detects moisture on the wind-
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shield when the air-conditioning system is
switched on.
the battery's condition of charge is too low.
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Shifting the transmission to position P
does not start the engine.
Deactivating/activating the ECO start/
stop function
ECO button
To deactivate: press ECO button :.
X
Indicator lamp ; goes out.
To activate: press ECO button :.
X
Indicator lamp ; lights up.
Driving
165
Z