If any condition is not met, this will be indicated in the driver display. See the section "Using the Start/Stop function".
The engine does not auto-stop
The engine does not auto-stop in the following cases:
- The car has not reached approx. 10 km/h (6 mph) after starting.
- After a number of repeated auto stops, speed must again exceed approx. 10 km/h (6 mph) before the next auto stop.
- The driver has unfastened the seatbelt.
- The capacity of the starter battery is below the minimum permissible level.
- The engine is not at normal operating temperature.
- The ambient temperature is under -5 °C or above approx. 30 °C.
- the windscreen's electric heating is activated.
- The environment in the passenger compartment deviates from the set values.
- the car is reversed.
- The starter battery's temperature is below or above the permitted limit values.
- The driver makes sweeping steering wheel movements.
- The road is very steep.
- The bonnet is opened.
- When driving at high altitudes when the engine has not reached operating temperature.
- The ABS system has been activated.
- In the event of heavy braking (even without the ABS system having been activated).
- Many starts during a short period of time have activated the starter motor's thermal protection.
- The exhaust system's particulate filter is full1.
- A trailer is connected electrically to the car’s electrical system.
The following applies to automatic gearbox:
- The gearbox is not at normal operating temperature.
- The gear selector is in ± position.
The engine does not auto-start
In the following cases the engine does not auto-start after having auto-stopped:
With automatic gearbox:
- The driver is unbelted, the gear selector is in P position and the driver's door is open - a normal start must take place.
With manual gearbox:
- The driver is unrestrained.
- A gear is engaged without declutching.
Involuntary stop with manual gearbox
If a start-up fails and the engine stops, proceed as follows:
- Check that the driver side's seatbelt is locked in the seatbelt buckle.
- Depress the clutch pedal again - the engine starts automatically.
- In certain cases the gear lever must be set in neutral position. A message is shown in the driver display - follow the recommendation given.
The engine auto-starts without the brake pedal having been released
In the following cases, the engine auto-starts even if the driver does not take his/her foot off the brake pedal:
- High humidity in the passenger compartment forms misting on the windows.
- The environment in the passenger compartment deviates from the set values.
- There is a temporarily high current take-off or starter battery capacity drops below the lowest permissible level.
- Repeated pumping of the brake pedal.
- The bonnet is opened.
- The car starts to roll or increase speed slightly if the car auto-stopped without being completely stationary.
The following applies to automatic gearbox:
- The driver's seatbelt buckle is opened with the gear selector in D or N position.
- The gear selector is moved from D to position R or ±.
- The driver's door is opened with the gear selector in D position - a "ping" sound and text message indicate that the ignition is on.
Warning
Do not open the bonnet when the engine has auto-stopped. Switch off the engine normally before lifting up the bonnet.