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Driver assistance systems
Start-Stop System*
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Fig. 178
Description and operation
The Start-Stop system helps save fuel and re-
duce CO
emissions.
2
In Start-Stop mode, the engine will automati-
cally switch off when the vehicle stops or is
stopping; for example when stopping at traf-
fic lights. The ignition remains switched on
during the stopping phase. The engine auto-
matically switches back on when required. In
this situation, the light of the
button stays on
START ENGINE STOP
As soon as the ignition is switched on, the
Start-Stop function is automatically activa-
ted.
1)
Only in vehicles with Keyless Access.
198
Further information about the Start-Stop sys-
tem can be found in the Easy Connect sys-
tem: by pressing the
cle status
Basic requirements for the Start-Stop mode
The driver door must be closed.
●
●
The driver must have their seat belt fas-
tened.
●
The bonnet must be closed.
The engine must have reached a minimum
●
service temperature.
Convenience
The reverse gear must not be engaged.
●
●
The vehicle must not be on a very steep
slope.
WARNING
●
Never switch the engine off until the vehi-
cle is stationary. The brake servo and power
steering functions will not be completely cov-
ered under warranty. More force may also be
needed to turn the steering wheel or to brake.
As you cannot steer and brake in the normal
manner, there is a greater risk of accidents
and serious injury.
●
Never remove the key from the ignition if
1)
.
the vehicle is in motion. Otherwise, the steer-
ing could lock making it impossible to steer
the vehicle.
Operation
button in the Vehi-
menu.
To avoid injury, make sure that the Start-
●
Stop system is switched off when working in
›››
the engine compartment
page
CAUTION
The Start-Stop system must always be
switched off when driving through flooded
›››
areas
page
200.
Stopping/Starting the engine
Vehicles with a manual gearbox
Before stopping the vehicle or when it is
–
stopped, put it into neutral and release the
clutch pedal. The engine will switch off. The
warning lamp will appear on the instru-
ment panel display. The engine may stop
before the vehicle comes to a halt in the
deceleration phase (at 7 km/h).
When the clutch pedal is pressed the en-
–
gine will start up again. The warning lamp
will switch off.
Vehicles with an automatic gearbox
Use the foot brake to bring the vehicle to a
–
stop and keep the brake pedal pressed
down with your foot. The engine will switch
off. The warning lamp will appear in the
200.
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