If after stopping the car, the message UNABLE TO START STOP appears in the
segment display or in the MAXI DOT display the check mark .» Fig. 115, then
the conditions for automatic engine shutdown are not met.
System conditioned automatic start-up
Read and observe on page 118 first.
Running the engine is essential, for example, for the following reasons.
When the engine is off, the system can automatically start the engine before
the desired journey continues. The possible reasons for this are, for example:
The engine temperature for the proper function of the system has not yet
been reached.
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The vehicle has begun to roll, e.g. on a slope.
The brake pedal has been actuated several times.
The current consumption is too high.
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The charge state of the vehicle battery is too low.
The current consumption is too high.
High air-conditioning or heating capacity (high fan speed, big difference be-
tween the desired and actual indoor temperature).
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Manually deactivating/activating
Note
Fig. 116
■
If the vehicle remains outdoors for a long time in minus temperatures or in
Button for the START-STOP sys-
tem
direct sunlight, it can take several hours until the internal temperature of the
vehicle battery reaches a suitable temperature for proper operation of the
START STOP system.
■
If the driver's seat belt is removed for more than approx. 30 seconds or the
driver's door is opened during stop mode, the engine will have to be started
manually.
■
After manual engine start, the automatic engine shutdown can take place
only when a minimum distance required for the system function has been cov-
ered.
Read and observe on page 118 first.
Deactivate/activate
Operation
Press the button » Fig. 116.
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Read and observe on page 118 first.
When start-stop mode is deactivated, the warning light in the button lights up.
In compliance with the operating conditions, automatic engine shutdown / au-
tomatic engine start takes place as described.
Note
If the system is automatically deactivated when the engine is turned off, then
the automatic start process takes place.
Automatic engine shut down
Stop the vehicle.
Shift the gear lever to Neutral.
Release the clutch pedal.
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Information messages
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Read and observe on page 118 first.
Automatic engine shutdown takes place, segment display shows START STOP
ACTIVE or a check mark appears in the MAXI DOT display » Fig. 115 on
page 118.
The messages and information are shown in the instrument cluster display.
Start the engine manually.
START MANUALLY
Automatic engine start
Depress the clutch pedal.
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One of the conditions for automatic engine start is not satisfied or the driver's
seat belt is not fastened. The engine must be started manually.
The automatic start procedure takes place again.
119
Assist systems