Mercedes-Benz C-CLASS Operator's Manual page 142

Driving
140
the system detects that the windshield is not
R
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.
All of the vehicle's systems remain active when
the engine is stopped automatically.
The HOLD function can also 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.
Mercedes-AMG vehicles: the number of con-
secutive automatic engine switch-offs is unlimi-
ted.
All other models: automatic engine switch-off
can take place a maximum of four times in a row
(initial switch-off, then three subsequent switch-
offs).
Automatic engine start
The engine starts automatically if:
you switch off the ECO start/stop function by
R
pressing the ECO button
Mercedes-AMG vehicles: you switch to
R
drive program RACE (S‑MODEL), S+ or S
all other vehicles: you switch to drive pro-
R
gram S+
Mercedes-AMG vehicles: you permanently
R
activate manual gearshifting (
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
Mercedes-AMG vehicles
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.
The ECO start/stop function is deactivated, if:
Mercedes-AMG vehicles: you switch to
R
drive program RACE (S‑MODEL), S+ or S
(
Y
C 450 AMG 4MATIC: you switch to drive pro-
R
page 150)
Y
gram S+ or S (
you permanently activate manual gearshifting
R
(
Y
If you have permanently activated manual gear-
shifting and then press ECO button :, the ECO
start/stop function is activated.
page 143)
page 143)
Y
page 150)