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▷
The driver's safety belt is unbuckled and the
driver's door is open.
▷
Hood was unlocked.
Some indicator lights light up for a varied length
of time.
The engine can only be started via the Start/Stop
button.
System limits
Even if driving off was not intended, the deacti‐
vated engine starts up automatically in the fol‐
lowing situations:
▷
In case of excessive warming of the interior
when air conditioning is turned on.
▷
In case of excessive cooling of the interior
when the heating is turned on.
▷
In case of a risk of window condensation
when the automatic climate control is turned
on.
▷
In case of a steering operation.
▷
When changing from gear lever position D to
N or R.
▷
When changing from gear lever position P to
N, D, or R.
▷
In case of seriously discharged vehicle bat‐
tery.
▷
When starting an oil level measurement.
Additional functions Auto Start/
Stop
Depending on the vehicle equipment and coun‐
try-specific version, the vehicle features a variety
of sensors for assessing the traffic situation. The
Auto Start/Stop function uses this information to
adapt to various traffic situations in a proactive
manner.
For instance, this applies to the following situa‐
tions:
▷
When a situation is detected in which the
stopping time is expected to be very short,
the engine is not switched off automatically.
Online Edition for Part no. 01405A38D29 - VI/21
Driving
A message appears on the Control Display,
depending on the situation.
▷
When a situation is detected in which the ve‐
hicle needs to drive off immediately, the en‐
gine is started automatically.
The function may be restricted if the navigation
data is invalid, outdated or not available, for ex‐
ample.
Activating/deactivating the
system manually
Principle
The engine is not automatically switched off.
The engine is started during an automatic engine
stop.
Via button
Press the button.
Via selector lever position or Driving
Dynamics Control
The Auto Start/Stop function is also deactivated
in selector lever position M/S or in SPORT driv‐
ing mode of the Driving Dynamics Control.
Display
▷
LED comes on: auto Start/Stop function is
deactivated.
▷
LED goes out: auto Start/Stop function is ac‐
tivated.
CONTROLS
137
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