Mercedes-Benz CLA-Class 2014 Owners Manual - Manual (Page 145)

Hill start assist is not active if:
R you are pulling away on a level road or on a
downhill gradient.
R
the transmission is in position N.
R
the electric parking brake is applied.
R ESP ® is malfunctioning.
Further information on holding the vehicle
stationary on uphill gradients (
Y
page 149).
ECO start/stop function
Introduction
The ECO start/stop function switches the
engine off automatically if the vehicle is stop-
ped under certain conditions.
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
: ECO start/stop display
If the ¤ symbol is shown in green in the
multifunction display, the ECO start/stop
function switches the engine off automati-
cally if the vehicle stops moving.
The stop/start function is automatically acti-
vated each time you start the engine with the
SmartKey.
If the ECO start/stop function has been man-
ually deactivated (
Y
page 144) or a malfunc-
tion has caused the system to be deactivated,
the ¤ symbol is not displayed.
AMG vehicles: the ECO start/stop function
is only available in drive program C.
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:
R the indicator lamp in the ECO button is lit
green.
R
the outside temperature is within the range
that is suitable for the system.
R the engine is at normal operating temper-
ature.
R the set temperature for the vehicle interior
has been reached.
R the battery is sufficiently charged.
R the system detects that the windshield is
not fogged up when the air-conditioning
system is switched on.
R
the hood is closed.
R the driver's door is closed and the driver's
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 auto-
matically.
i The engine can be switched off automat-
ically 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
Driving
143
Dri
vin
g
and
parking
Z