1163-1. CONTROLS
2Apply drive mode.
3 Release the parking brake.
4 Drive away.
The Auto Start/Stop function
helps save fuel. The system
switches off the engine during a
stop, for instance in traffic jam or
at traffic lights. Drive-ready state
remains switched on. The
engine starts automatically for
driving off.
After each engine start using the
Start/Stop button, the Auto
Start/Stop function is ready. The
function is activated from
speeds of approx. 3 mph/5
km/h.
Depending on the selected driv-
ing mode, refer to page 131, the
system is automatically acti-
vated or deactivated.
The engine is switched off auto-
matically during a stop under the
following conditions:
The selector lever is in selec-
tor lever position D.
The brake pedal remains
pressed while the vehicle is
stationary.
The driver's safety belt is
buckled or the driver's door is
closed.
If the engine was not switched
off automatically when the vehi-
cle stopped, the engine can be
switched off manually:
Press the brake pedal force-
fully again from the current
pedal position.
Engage selector lever posi-
tion P.
If all functional preconditions are
fulfilled, the engine switches off.
The air flow from the air condi-
tioner is reduced when the
engine is switched off.
Auto Start/Stop function
Concept
General information
Engine stop
Functional requirementsManual engine stop
Air conditioner when the
engine is switched off
