Table of Contents
Advertisement
Display in the instrument cluster
The display in the instrument
cluster indicates that the Auto
Start/Stop function is ready for
an automatic engine start.
Functional limitations
The engine is not switched off automatically in
the following situations:
▷
In case of a steep downhill grade.
▷
The brake pedal was not depressed hard
enough.
▷
When the ambient temperature is high and
automatic climate control is switched on.
▷
The vehicle interior has not yet been
heated or cooled as desired.
▷
When window condensation is possible and
automatic climate control is switched on.
▷
Engine or other parts are not at operating
temperature.
▷
Engine cooling is required.
▷
Without Mild Hybrid technology: The
wheels are at a sharp angle or the steering
wheel is being turned.
▷
Vehicle battery is heavily discharged.
▷
At higher elevations.
▷
Hood is unlocked.
▷
The Automatic Parking Assistant is acti-
vated.
▷
For stop-and-go traffic.
▷
Selector lever in position N, S, or R.
▷
After driving in reverse.
▷
Using fuel with high ethanol content.
Starting the engine
Functional requirements
The engine starts automatically under the fol-
lowing preconditions:
Online Edition for Part no. 01405A8A749 - VI/23
Driving
▷
By releasing the brake pedal.
▷
When Automatic Hold is activated: step on
the accelerator pedal.
Driving off
Accelerating as usual after starting the engine.
Safety mode
After the engine switches off automatically, it
will not start again automatically if any one of
the following conditions are met:
▷
The driver's seat belt is unbuckled and the
driver's door is open.
▷
Hood was unlocked.
Some indicator lights illuminate 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 deac-
tivated engine starts up automatically in the
following situations:
▷
With excessive warming of the interior
when cooling is turned on.
▷
With excessive cooling of the interior when
heating is turned on.
▷
When window condensation is possible and
automatic climate control is switched on.
▷
Without mild hybrid technology:
In case of a steering operation.
▷
When changing selector lever position from
D or P.
▷
In case of seriously discharged vehicle bat-
tery.
▷
When starting an oil level measurement.
Deactivating the system manually
Principle
The engine is not automatically switched off.
CONTROLS
123
Advertisement
Table of Contents
