Operation Manual

Driving and operating 119
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled.
Otherwise an Autostop will be
inhibited.
■ The stop-start system is not
manually deactivated
■ the bonnet is fully closed
■ the driver's door is closed or the
driver's seat belt is fastened
■ the battery is sufficiently charged
and in good condition
■ the engine is warmed up
■ the engine coolant temperature is
not too low
■ the ambient temperature is not too
low
■ the defrosting function is not
activated
■ the climate control system does not
inhibit an engine stop
■ the brake vacuum is sufficient
■ the vehicle has moved since the
last Autostop
New vehicle running-in 3 116.
Battery discharge protection
To ensure reliable engine restarts,
several battery discharge protection
features are implemented as part of
the stop-start system.
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.
Control indicator - 3 87.
Restart of the engine by the
stop-start system
If one of the following conditions
occurs during an Autostop, the
engine will be restarted automatically
by the stop-start system.
■ The stop-start system is manually
deactivated
■ the bonnet is opened
■ the driver's seat belt is unfastened
and the driver's door is opened
■ the engine temperature is too low
■ the battery is discharged
■ the brake vacuum is not sufficient
■ the vehicle starts to move
■ The defrosting function is activated
■ the climate control system requests
an engine start
Overrun cut-off
The fuel supply is automatically cut-
off during overrun, i.e. when the
vehicle is driven with a gear engaged
but accelerator is released.
Parking
■ Always apply the electrical parking
brake.
Pull switch m.