Mercedes-Benz S-Class Coupe Operator's Manual page 143

Automatic engine start
The engine starts automatically if:
you switch off the ECO start/stop function by
R
pressing the ECO button
you switch to drive program S or M
R
in transmission position D or N the brake
R
pedal is released and 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 P
R
you unfasten your seat belt or open the driv-
R
er's door
the vehicle starts to roll
R
the brake system requires this
R
the temperature in the vehicle interior devi-
R
ates from the set range
the system detects moisture on the wind-
R
shield when the air-conditioning system is
switched on
the battery's condition of charge is too low
R
Shifting the transmission to position P does not
start the engine.
Deactivating or activating the ECO
start/stop function
All vehicles (except Mercedes-AMG vehi-
cles)
To deactivate: press ECO button :.
X
Indicator lamp ; goes out.
To activate: press ECO button :.
X
Indicator lamp ; lights up.
If indicator lamp ; is off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will then
not be switched off automatically when the vehi-
cle stops.
If drive program S or M has been selected, the
ECO start/stop function is always deactivated.
If you switch on the ECO start/stop function
while drive program S is selected, the drive pro-
gram automatically switches to E.
Mercedes-AMG vehicles
To deactivate: in drive program C, press ECO
X
button :.
or
Switch to drive program S or M(
X
Indicator lamp ; goes out.
To activate: press ECO button :.
X
Indicator lamp ; lights up.
If drive program S or M is active, the auto-
matic transmission switches to drive program
C.
If indicator lamp ; is off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will then
not be switched off automatically when the vehi-
cle stops.
If drive program S or M has been selected, the
ECO start/stop function is always deactivated.
If you switch on the ECO start/stop function
while drive program S is selected, the drive pro-
gram automatically switches to C.
Driving
141
page 146).
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