STARTING AND DRIVING
Deactivating the Start/Stop
function
In certain situations, it may be advisable to
turn the Start/Stop function off.
To turn off Start/Stop, tap the
Start/Stop
in the center display's Func-
tion view. The indicator light
in the button will go out
when the function has been
turned off.
The function will remain turned off until:
it is reactivated
•
the drive mode is changed to
•
Related information
Driving with the Start/Stop function
•
(p. 416)
Conditions for the Start/Stop function
•
(p. 418)
418
Conditions for the Start/Stop
function
Certain conditions must be met for Start/
Stop to function.
If any condition is not met, this will be indi-
cated in the instrument panel.
function button
The engine does not auto-stop
The engine will not auto-stop if:
The vehicle has not reached a speed of
•
ca 10 km/h (6 mph) after starting.
After several auto-stops, the speed must
•
again exceed approximately ca 10 km/h
(6 mph) before the next auto-stop.
Eco
.
The driver has not fastened the seatbelt.
•
The engine is not running at its normal
•
operating temperature.
The ambient temperature is under
•
approximately -5 °C (23 °F) or over
approximately 30 °C (86 °F).
Windshield heating is activated.
•
The climate system settings and the
•
actual climate in the passenger compart-
ment differ.
The vehicle is in reverse.
•
The driver is making large steering wheel
•
movements.
The road gradient is very steep.
•
The hood is open.
•
Driving at high altitude and the engine has
•
not reached its normal operating tempera-
ture.
ABS has been activated.
•
Hard braking (even if the ABS system has
•
not been activated).
Many starts during a short period of time
•
have triggered the starter motor's over-
heating protection.
The exhaust system's particulate filter is
•
full
A trailer is connected to the vehicle's elec-
•
trical system.
The transmission is not running at its nor-
•
mal operating temperature.
The gear selector is in mode M (±).
•
If traffic conditions allow it (for example in
•
a traffic jam).
The engine does not auto-start
The engine will not auto-start after an auto-
stop if:
The driver is not wearing a seat belt, the
•
gear selector is in the P position and the
driver's door is open. The engine must be
started normally.