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08 Starting and driving
08
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* Option/accessory, for more information, see Introduction.
279
Deactivating the Start/Stop function
In certain situations, it may
advisable to temporarily
switch off the automatic
Start/Stop function - this is
carried out with a push of
this button.
Disengaged function is indicated by
the combined instrument panel's
Start/Stop symbols and the button's
lamp extinguishing.
The Start/Stop function is disengaged until it
is reactivated with the button or until the next
time the engine is started with the key.
Start assistance HSA
The foot brake can also be released on an
uphill slope to auto-start the engine - the HSA
(p. 277) (Hill Start Assist) function prevents
the car from rolling backwards.
HSA means that the pressure in the brake
system remains temporarily available while
the driver's foot is moved from the brake
pedal to the accelerator pedal for driving off
with the engine having stopped automatically.
The temporary braking effect releases after a
couple of seconds or when the driver acceler-
ates.
Related information
•
Start/Stop* (p. 277)
•
Starting the engine (p. 266)
•
Start/Stop* - settings (p. 283)
•
Start/Stop* - the engine does not auto-
start (p. 282)
•
Start/Stop* - the engine auto-starts
(p. 281)
•
Start/Stop* - the engine does not stop
(p. 279)
•
Start/Stop* - involuntary stop manual
gearbox (p. 282)
•
Start/Stop* - symbols and messages
(p. 284)
•
Battery - Start/Stop (p. 370)
Start/Stop* - the engine does not stop
Although the Start/Stop function is activated,
the engine does not always stop automati-
cally.
The engine does not auto-stop if:
Conditions M/A
A
the car has not first achieved
approx. 8 km/h after a key start or
the last auto-stop.
M +
A
the driver has opened the seat-
belt's buckle.
M +
A
the capacity of the starter battery
is below the minimum permissible
level.
M +
A
the engine does not have normal
operating temperature.
M +
A
ambient temperature is around
freezing point or above
approx. 30 °C.
M +
A
the windscreen's electric heating
is activated.
M +
A
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