Mercedes-Benz CLS Operator's Manual page 146

Driving
144
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 vehicle is stationary.
R
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
be shown in yellow.
AMG vehicles: the AMG menu in the
multifunction display additionally shows the
Stop/Start inactive
i If you shift the transmission from R to D,
the ECO start/stop function is available
again once the ¤ symbol reappears in
green in the multifunction display.
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.
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
message.
function can be deactivated by pressing the
ECO button ( Y page 143).
Automatic engine start
The engine starts automatically if:
you switch off the ECO start/stop function
R
by pressing the ECO button.
you release the brakes when in
R
transmission position D or N and when the
HOLD function is not active.
you depress the accelerator pedal.
R
you engage reverse gear R.
R
you move the transmission out of position
R
P.
you switch to drive program S, S+ or M
R
(AMG vehicles).
you unfasten your seat belt or open the
R
driver's door.
the vehicle starts to roll.
R
the brake system requires this.
R
the temperature in the vehicle interior
R
deviates from the set range.
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
i Shifting the transmission to position P
does not start the engine.