Automatic Engine Switch-Off - Mercedes-Benz C-Class Coupe Operator's Manual

The engine starts automatically when the
driver wants to pull away again. The ECO
start/stop function thereby helps you to
reduce the fuel consumption and emissions
of your vehicle.
Important safety notes
G WARNING
If the engine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving.
There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes
If the ¤ symbol is shown in green in the
multifunction display, the ECO start/stop
function switches the engine off
automatically if the vehicle stops moving.
Every time you switch on the engine using the
SmartKey or the Start/Stop button, the ECO
start/stop function is activated.
If the ECO start/stop function has been
manually deactivated (
malfunction has caused the system to be
deactivated, the ¤ symbol is not
displayed.

Automatic engine switch-off

General notes
The ECO start/stop function is operational
and the ¤ symbol is displayed in green in
the multifunction 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
R
temperature.
the set temperature for the vehicle interior
R
has been reached.
page 136) or a
Y
I n f o r m a t i o n P r o v i d e d b y :
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 not all conditions for automatic engine
switch-off are fulfilled, the ¤ symbol is
shown in yellow.
i
All of the vehicle's systems remain active
when the engine has been stopped
automatically.
i
The engine can be switched off
automatically a maximum of four times
(first stop and three subsequent stops) in
succession. The ¤ symbol is shown in
yellow in the multifunction display after the
engine has been started automatically for
the fourth time. When the ¤ symbol is
shown in green in the multifunction display,
automatic engine switch-off is again
possible.
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
The HOLD function can be activated 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.
Automatic engine start
General notes
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
the vehicle starts to roll.
R
Driving
135
Z