Mercedes-Benz 2012 E-Class Sedan Operator's Manual page 151

If the ECO start/stop function is deactivated
( Y page 150), the ¤ symbol is not shown.
G
WARNING
If the engine is switched off and the ECO
symbol is shown in green in the multifunction
display, the engine has been switched off
automatically. All of the vehicle's systems
remain active. If you open the door, unfasten
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 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.
The engine is only switched off if:
the outside temperature is within the range
R
which is suitable for the system.
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
no engine-relevant diagnostics are active.
R
the vehicle is not being steered.
R
the front door is closed and the seat belt is
R
fastened.
i During automatic engine switch-off, the
climate control system only operates at a
reduced capacity. If you require full climate
control capacity, the ECO start/stop
function can be deactivated by pressing the
ECO button (
Automatic engine start
The engine is started automatically if you:
release the brake pedal when HOLD is not
R
activated and the transmission is in
position D or N
shift the transmission to position R
R
depress the accelerator pedal
R
have switched off the ECO start/stop
R
function by pressing the ECO button
switch to drive program S, S+ or M
R
unfasten your seat belt or open the driver's
R
door
The engine is also started automatically if:
the vehicle starts to roll.
R
the brake system requires this.
R
the system detects moisture on the
R
windshield when the air-conditioning
system is switched on.
the charge level of the battery is too low.
R
the driver's seat belt is removed or the
R
driver's door is opened.
I n f o r m a t i o n P r o v i d e d b y :
Driving
Y page 150).
149
Z