Our automobiles benefit from more and more technologies, generally this provides us an additional comfort of use. Having said that, technology has its pros, but as well has some cons, with it, we find out bugs appearing! One of them is the Start and Stop feature, which is made to help you save fuel and preserve the planet. You may encounter complications and want to turn off the start stop technology on smart forfour . But how do I do that? In this article we will help you understand how this system functions, how to disable start and stop on xxx, and what are the recurring complications you may encountered with this option.

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How does the Start Stop on smart forfour work?

Start Stop technology operation

Start Stop is a recent technology that began to be included into modern vehicles about ten years ago. This technology is designed to limit the fuel consumption of your smart forfour and to protect the environment by limiting CO2 emissions. Its usefulness is specifically important in an urban environment. In actual fact, automobiles can be made to spend up to 35% of their time at a standstill during urban journeys. The guarantee of start and stop on your vehicle is to save you between 5% and 15% in fuel consumption. However, on long journeys or secondary roads, its usefulness is limited. How it functions:

  • A reinforced starter or a last generation alternator with integrated starter
  • When you shift into neutral and release the clutch pedal, the engine unit will shut off.
  • When you shift into gear, the car will instantly restart.

On some superior variants, your smart forfour will even have the ability to shut down although you are not stopped (up to 20km/h on some start and stop).

Start Stop smart forfour: Positive aspects and cons

Nevertheless this system has real pros in terms of environmental conservation and fuel economy, there are however some cons to having a start and stop on smart forfour .

  • Benefits:
  • You will make fuel and CO2 emission savings if you have a specifically urban use of your smart forfour. You will too. Furthermore, you will have the ability to benefit from the purchase of a car with a more interesting bonus/malus, allowing you to to buy a cheaper vehicle . Finally, you will benefit from an additional comfort because your engine unit will be stopped when you complete red lights or stops.

  • Disadvantages
  • It’s not interesting for you to have this system if you drive on secondary roads . This system is quite expensive to buy (between 500 and 1500€) . Finally, the first generations of start stop technology can go through a premature wear of the starter and the battery of your smart forfour. you will have to buy or change your battery more generally,

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How to turn off Start Stop technology on smart forfour?

Now let’s proceed to the component you’re probably most keen on, how to turn off, disconnect or take out the start stop on your smart forfour? .
Depending on how you use your vehicle, you may need to turn off this system, which can be bothersome or you may experience that your starter is experiencing premature wear, or you may have had to purchase a new AGM or EFB battery on your smart forfour . All these are valid causes to disable your start and stop system.
On this website are the two main techniques for turning off the start and stop on smart forfour:

  • The traditional method: Know, if you don’t already know it, that there is a start and stop disable button on your center console (depending on the year of your vehicle you may have a button labeled “ECO”, “Start and Stop” or “S&S”) that you can use to disconnect your start and stop on every start. However, this method necessitates you to redo the manipulation every time you start the car.
  • It is possible that the start and stop of your smart forfour is switched off entirely: It is possible that the start and stop of your smart forfour is switched on accidentally, or that it does not match the use you have of your vehicle. In such a case, you can disable it by two different methods. You can create a bridge behind the activation button of your start and stop . Finally, second method you can disconnect the battery charge indicator cable that is on the terminals of your battery, which will make your smart forfour presume that the battery is tired and will deactivate the start and stop to preserve your autonomy.

Start Stop Technology complications smart forfour

Concerning the different complications you might encountered with the start and stop of your smart forfour . It is possible that this is activated in an unforeseen method , for example you are doing a manoeuvre and you don’t have time to change to reverse gear and the vehicle stops. It is possible that this problem is related to the series of your smart forfour. Try to completely deactivate your Start and Stop as discovered in the previous section to avoid this issue or go to your garage to find out if there is a specific remedy. Another problem experienced by smart forfour owners is that you may experience premature wear of your battery or starter motor. These specific parts for start and stop are expensive, and if you have already looked over the battery prices for xxx or those of the starters you must have noticed that they are much more expensive than classic batteries, do not think twice to deactivate this system to avoid this sort of issue. Finally, it may be that your start and stop on smart forfour does not work anymore , in this case, go to your motor mechanic to correct this issue.

If you want more tutorials on the smart forfour, go to our smart forfour category.