Mercedes-Benz SL Roadster 2012 Owner's Manual page 162

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General notes
ECO start/stop display
:
If the ¤ symbol is shown in green in the
multifunction display, the ECO start/stop
function switches the engine off automati-
cally if the vehicle stops moving.
The ECO start/stop function is activated
whenever you switch on the engine using the
key or the Start/Stop button.
If the ECO start/stop function has been man-
ually deactivated (
page 160) or a malfunc-
Y
tion has caused the system to be deactivated,
the ¤ symbol is not displayed.
AMG vehicles: the ECO start/stop function
is only available in drive program C.
For further information on automatic engine
switch-off (
page 159) and automatic
Y
engine start (
page 159).
Y
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
and the ¤ symbol is lit green in the multi-
function display if:
the indicator lamp in the ECO button is lit
R
green
the outside temperature is within the range
R
that is suitable for the system
the engine is at normal operating temper-
R
ature
the set temperature for the vehicle interior
R
has been reached
the battery is sufficiently charged
R
the system detects that the windscreen is
R
not misted up when the air-conditioning
system is switched on
the bonnet is closed
R
the driver's door is closed and the driver's
R
seat belt is fastened
If the conditions for automatic engine switch-
off are not all fulfilled, the ¤ symbol is lit
yellow.
i
All of the vehicle's systems remain active
when the engine is switched off automati-
cally.
i
All vehicles (except AMG vehicles):
automatic engine switch-off can take place
a maximum of four times consecutively (ini-
tial stop, then three subsequent stops). The
¤ symbol is lit yellow in the multifunc-
tion display after the engine has been star-
ted automatically for the fourth time. When
the ¤ symbol is lit green in the multi-
function display, automatic engine switch-
off is again possible.
i
AMG vehicles: the number of consecu-
tive automatic engine stops is unlimited.
i
The HOLD function can be activated if the
engine has been switched off automati-
cally. It is then not necessary to continue
applying the brakes during the automatic
stop phase. When you depress the accel-
erator pedal, the engine starts automati-
cally and the braking effect of the HOLD
function is deactivated.
Automatic engine start
The engine is started automatically if:
you switch off the ECO start/stop function
R
by pressing the ECO button
in transmission position D or N, the brake
R
pedal is released and the HOLD function is
not active
you depress the accelerator pedal
R
you engage reverse gear R
R
Driving
159
Z

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