Mercedes-Benz SLK Operator's Manual page 143

Automatic engine switch-off
Method of operation
The ECO start/stop function is operational
and the ¤ symbol is displayed in the
multifunction display, if:
the indicator lamp in the ECO button is lit
R
green.
the outside temperature is within the
R
comfort range.
the engine is at normal operating
R
temperature.
the set temperature for the vehicle interior
R
has been reached.
the battery is sufficiently charged.
R
the system detects that the windshield is
R
not fogged up when the air-conditioning
system is switched on
the hood is closed.
R
the driver's door is closed and the driver's
R
seat belt is fastened.
If conditions for automatic engine switch-off
have not been fulfilled, the ¤ symbol will
not be shown.
i
All vehicles (apart from AMG
vehicles): automatic engine switch-off can
take place a maximum of four times
consecutively (initial stop then repeated
three times). The automatic engine switch-
off is then available again after the ¤
symbol appears in the multifunction
display.
i
AMG vehicles: times which the engine
can be automatically switched off.
i
You can still activate the HOLD function
when the vehicle is stationary, even 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. Depress the
accelerator pedal carefully, as the engine
must be started first.
Vehicles with manual transmission
The ECO start/stop function switches off the
engine automatically at low speeds.
Brake the vehicle until it comes to a
X
standstill.
Engage neutral N(
X
Y
gearshift instruction : to engage neutral
N, if necessary).
Release the clutch pedal.
X
The engine is switched off automatically.
Vehicles with automatic transmission
If the vehicle is braked to a standstill in D or
N, the ECO start/stop function switches off
the engine automatically.
i
If you shift the transmission from R to D,
the ECO start/stop function is available
again once the ¤ symbol reappears in
the multifunction display.
Automatic engine start
Method of operation
The engine starts automatically if:
you switch off the ECO start/stop function
R
by pressing the ECO button.
you engage reverse gear R.
R
you switch to drive program S or M (AMG
R
vehicles).
you unfasten your seat belt or open the
R
driver's door.
Driving
page 144) (follow
Z
141