142
Driving and operating
Conditions for an Autostop
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The self-cleaning function of the
diesel particle filter is not active.
The vehicle was driven at least at
walking speed since the last
Autostop.
disabled or switched into a power
saving mode. The fan speed of the
climate control system is reduced to
save power.
The stop-start system checks if each
of the following conditions is fulfilled:
●
The stop-start system is not
manually deactivated.
Restart of the engine by the driver
Depress the clutch pedal to restart the
engine.
The engine start is indicated by the
needle at the idle speed position in
the tachometer.
If the selector lever is shifted out of
neutral before depressing the clutch
first, control indicator - illuminates
or is shown as a symbol in the Driver
Information Centre.
Otherwise an Autostop will be
inhibited.
●
●
The bonnet is fully closed.
The driver's door is closed or the
driver's seat belt is fastened.
An Autostop may become less
available as the ambient temperature
approaches the freezing point.
Certain settings of the climate control
system may inhibit an Autostop. See
"Climate control" chapter for further
information 3 131.
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 139.
●
The vehicle battery is sufficiently
charged and in good condition.
●
●
The engine is warmed up.
The engine coolant temperature
is not too high.
●
The engine exhaust temperature
is not too high, e.g. after driving
with high engine load.
Control indicator - 3 95.
●
●
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●
The ambient temperature is
Restart of the engine by the stop-
start system
The selector lever must be in neutral
to enable an automatic restart.
If one of the following conditions
occurs during an Autostop, the
engine will be restarted automatically
by the stop-start system.
above -5 °C.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several vehicle battery discharge
protection features are implemented
as part of the stop-start system.
The defrost selection does not
inhibit an Autostop.
The climate control system
allows an Autostop.
The brake vacuum is sufficient.
Power saving measures
During an Autostop, several electrical
features such as auxiliary electric
heater or rear window heating are