Mercedes-Benz S-Class 2011 - Manual (Page 305)

your seat belt or remove your foot from the
brake pedal, the engine will automatically
start. The vehicle may begin moving. You
could suffer serious or even fatal injury or
cause an accident resulting in injury or death.
Never leave the vehicle while the ECO symbol
in the multifunction display is shown in green
or yellow. Always secure the vehicle against
rolling away before leaving it.
! Always switch the ignition off and take the
key with you when leaving the vehicle.
Automatic engine switch-off
The ECO start/stop function switches the
engine off automatically if the vehicle is
braked to a standstill and the brake remains
depressed with the transmission in position
D or N.
i You can still activate HOLD 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.
The engine is only switched off if:
R the outside temperature is within the range
which is suitable for the system.
R
the engine is at normal operating
temperature.
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
system is switched on.
R
the hood is closed.
R no engine relevant diagnostics are active.
R
the driver's door is closed and the seat belt
is fastened.
Automatic engine start
The engine is started automatically if you:
R
release the brake pedal when HOLD is not
activated and the transmission is in
position
D or N
R
shift the transmission to position R
R depress the accelerator pedal
R switch off the ECO start/stop function or
switch to drive program
S or M
R
unfasten your seat belt or open the driver's
door
The engine is also started automatically if:
R the vehicle starts to roll.
R
the brake system requires this.
R
the system detects moisture on the
windshield when the air-conditioning
system is switched on.
R
the temperature in the vehicle interior
deviates from the set range.
R
the battery's condition of charge is too low.
Deactivating/activating the ECO start/
stop function
General notes
You can activate and deactivate the ECO
start/stop function using COMAND
(
Y page 257).
i You can also use the programmable
button ( Y page 118) to activate and
deactivate the ECO start/stop function if
you have assigned this function to the
button.
Deactivating
X Deactivate the ECO start/stop function
using COMAND (
Y page 257):
The ECO symbol goes out and the Stop/
Start deactivated display message is
shown in the multifunction display.
Driving
303
Driving and parking
Z