Driving and operating 223
Deactivation
Deactivate the stop-start system
manually by pressing Ò. The
deactivation is indicated when the
LED in the button illuminates.
Autostop
Vehicles with manual transmission
An Autostop can be activated at a
standstill or at speed below 12 mph.
Activate an Autostop as follows:
● Depress the clutch pedal.
● Set the selector lever to neutral.
● Release the clutch pedal.
The engine will be switched off while
the ignition stays on.
Vehicles with automatic transmission
If the vehicle is at a standstill with
depressed brake pedal, Autostop is
activated automatically.
The engine will be switched off while
the ignition stays on.
The stop-start system will be disabled
on inclines of 12% or more.
Indication
An Autostop is indicated by control
indicator D.
During an Autostop, the heating and
brake performance will be
maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled.
● The stop-start system is not
manually deactivated.
● The driver's door is closed or the
driver's seat belt is fastened.
● 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.
● The ambient temperature is not
too low.
● The climate control system
allows an Autostop.
● The brake vacuum is sufficient.
● The self-cleaning function of the
exhaust filter is not active.
● The vehicle was driven at least at
walking speed since the last
Autostop.
Otherwise an Autostop will be
inhibited.
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