90 On the road
Engine will not swit ch off
Before each stop phase, the system checks if
certain cond itions have been met. For exam -
ple, the engine will
not be switched off in the
following situations:
- The eng ine has not reached t he minimum
required temperature for Start -Stop-mode .
- The inter ior temperature selec ted by the A/C
system has not been reached .
- The outs ide temperature is extremely high/
low.
- The w indshield is being defrosted
¢page 82.
- The parking system* is switched on.
- The battery charge level is too low.
- The steering wheel is sharply turned or
there is a steering movement.
- After engaging the reverse gear.
- On sharp inclines.
The
tiij indica to r light appears in the informa-
tion line in the ins t rument cluster disp lay
<=:>fig. 89 .
Engine automatically restarts
The stop phase is interrupted in the following
situations, for examp le. The engine restar t s
witho ut any act ion by the driver.
- The interio r temperature varies from the
temperature selected in the A/C system .
- The w indshield is being defrosted
<=:> page 82.
- The brake pedal is pressed several times in a
row.
- The battery charge level becomes too low.
- High power consumption.
Switching the ignition automatically
To prevent the battery from d raining, the igni-
tion will switc h off
automat ically when a ll of
the following conditions have been met:
- The veh icle has already been driven.
- The eng ine has been tu rned off by t he Star t-
Stop-System*.
- The driver's door is opened.
- The driver's seat belt is removed.
- The brake pedal is not pressed dow n.
- The vehicle is stationa ry.
In this case, the activated low beam will be re-
placed by the side ma rker lights. The side
marker lights w ill switch off after approxi-
mately 30 minutes or when you lock the vehi-
cle .
If t he Star t-Stop System has not t urned off
the engine or if you have sw itched the Start-
Stop system off man ua lly, the ignition will
not
be automatica lly switched off and the engine
will continue to run ¢ ,& .
A WARNING
=
Never allow the engine to run in confined
spaces - danger of asphyxiation.
(D Tips
If you shift into the D, Nor S posit ions af-
ter sh ifting into reverse, the vehicle must
be driven faster tha n 6 mph (10 km/h) in
order for the engine to sw itch off again.
Switching the Start-Stop -System on/ off
manually
Applies to vehicles: with Start-Stop -System
If you do not wish to use the system, you con
switch it off manually.
Fig. 90 Center console: Start -Stop-System button
.,. To switc h the Start-Stop-Sys t em off/on
manually, press t he
l(A)~·I button. The LED in
the button turns on when the system is
switched off.
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