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.
All vehicles (except Mercedes-AMG vehi-
cles): automatic engine switch-off can take
place a maximum of four times in a row (initial
stop, then three subsequent stops).
Mercedes-AMG vehicles: the number of con-
secutive automatic engine switch-offs is unlimi-
ted.
Automatic engine start
The engine starts automatically if:
R
you switch off the ECO start/stop function by
pressing the ECO button
R
you switch to drive program S or M
R
in transmission position D or N the brake
pedal is released and the HOLD function is not
active
R
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-
er's door
R
the vehicle starts to roll
R
the brake system requires this
R
the temperature in the vehicle interior devi-
ates from the set range
R
the system detects moisture on the wind-
shield when the air-conditioning system is
switched on
R
the battery's condition of charge is too low
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)
X
To deactivate: press ECO button
:
.
Indicator lamp
;
goes out.
X
To activate: press ECO button
:
.
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
X
To deactivate: in drive program C, press ECO
button
:
.
or
X
Switch to drive program S or M (
Y
page 173).
Indicator lamp
;
goes out.
Driving
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