Users Manual Part 3

Table Of Contents
ECO start/stop function
Operation of the ECO start/stop function
%
The ECO start/stop function is available only
in the C, A, ; and = drive pro‐
grams (depending on the setting).
The engine is switched off automatically in the
following situations if all vehicle conditions for
an automatic engine stop are met:
R
you brake the vehicle to a standstill in trans‐
mission position h or i.
R
vehicles with a 48 V on-board electrical
system: you depress the brake pedal when
travelling at a low speed.
%
When the HOLD function is active and in
transmission position j, the engine can
stop in spite of an intelligent stop inhibitor,
e.g. when stopping at a stop sign with no
vehicle in front.
The engine is restarted automatically if:
R
you engage transmission position h or k.
R
you depress the accelerator pedal.
R
an automatic engine start is required by the
vehicle.
R
vehicles with a 48 V on-board electrical
system:
-
you release the brake pedal on a downhill
gradient and the vehicle does not roll.
-
the vehicle rolls on a downhill gradient
and does not enter glide mode at
20 km/h.
ECO start/stop function symbols in the driver
display:
R
the symbol è (green) appears when the
vehicle is at a standstill: the engine was
switched off by the ECO start/stop function.
R
the symbol ç (yellow) appears when the
vehicle is at a standstill: not all vehicle condi‐
tions for an engine stop have been met.
R
neither the symbol è nor ç appears
when the vehicle is at a standstill: an intelli‐
gent stop inhibitor was detected, e.g. a stop
sign.
R
the symbol s appears: the ECO start/
stop function is deactivated or there is a mal‐
function.
If the engine was switched off by the ECO start/
stop function and you leave the vehicle, a warn‐
ing tone sounds and the engine is not restarted.
In addition, the following display message
appears in the driver display:
Vehicle is operational Switch off ignition before
exiting
If you do not switch off the ignition, the ignition
is automatically switched off after three
minutes.
Driving and parking
181