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2
"START - STOP"*
If the vehicle is in the stop phase when pressing the button, the engine starts immedi-
ately.
The START-STOP system involves complicated switching conditions, some of
them cannot be correctly determined without servicing. The general conditions
for the proper functioning of the START-STOP system are listed in the following
overview.
Conditions for the automatic engine shut down (stop phase)
Gearshift lever in the neutral position
Clutch pedal not depressed
The driver has fastened the seat belt
The driver's door is closed
The bonnet is closed
The vehicle is stationary
The factory-fitted towing device is not electrically connected to a trailer
The engine operating temperature is reached
The charge state of the vehicle battery is sufficient
Slope angle / gradient of the vehicle must not be too great
Engine speed is lower than 1200 rpm
The temperature inside the vehicle battery is not too low or too high
The pressure in the brake system is sufficient
The difference between set and actual temperature in the interior is not too great
The vehicle has exceeded the speed of 3 km/h since the last automatic start
No cleaning cycle is active in the diesel particle filter*, see Owner's Manual
The front wheels are not turned excessively (the steering angle is less than 3/4 of a
steering wheel revolution)
Conditions that enable an automatic engine start (start phase)
The clutch pedal is pressed
The temperature setting is changed to min./max.
Defrosting windscreen is switched on
High blower speed is set
Button for the START-STOP system is pressed
Conditions that enable an automatic engine start without driver intervention
The vehicle moves at a speed of more than 3 km/h
The difference between the set and the actual temperature in the interior is too great
The battery voltage is too low
The pressure in the brake system is not sufficient
Messages in the instrument cluster (valid for vehicles without information
display*)
ERROR START STOP
ENGINE MUST RUN
START STOP ACTIVE
SWITCH OFF IGNITION
START ENGINE MANUALLY
WARNING
If the engine is switched off, neither the brake booster nor the electrohy-
draulic power steering operates.
Error in the START-STOP system
Automatic engine shut down is not possi-
ble
Automatic engine shut down (stop
phase)
Switch off the ignition
Start the engine manually
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