Our cars benefit from increasingly more technologies, most of the time this gives us an additional comfort of use. Having said that, technology has its positive aspects, but also has some disadvantages, with it, we find out bugs showing up! One of them is the Start and Stop feature, which is designed to help you save fuel and preserve the planet. You may encounter complications and want to turn off the start stop technology on smart fortwo . But how do I do that? In this post we will help you discover how this system functions, how to disable start and stop on xxx, and what are the recurring complications you may come across with this option.

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How does the Start Stop on smart fortwo work?

Start Stop technology operation

Start Stop is a latest technology that began to be integrated into recent automobiles about ten years ago. This technology is designed to limit the fuel consumption of your smart fortwo and to preserve the environment by limiting CO2 emissions. Its usefulness is principally relevant in an urban environment. Obviously, cars 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 travels 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 improved variants, your smart fortwo will even be able to shut down while you are not stopped (up to 20km/h on some start and stop).

Start Stop smart fortwo: Pros and disadvantages

Although this system has fair positive aspects in terms of environmental conservation and fuel economy, there are on the other hand some disadvantages to having a start and stop on smart fortwo .

  • Benefits:

    • You will make fuel and CO2 emission savings if you have a principally urban use of your smart fortwo. You will too. Furthermore, you will be able to benefit from the purchase of a car with a more interesting bonus/malus, allowing you to to buy a cheaper vehicle . At last, you will benefit from an additional comfort because your engine unit will be stopped when you pass red lights or stops.

  • Disadvantages

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

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How to turn off Start Stop technology on smart fortwo?

Now let’s proceed to the part you’re probably most keen on, how to deactivate, disconnect or remove the start stop on your smart fortwo? .
Based on how you use your vehicle, you may need to deactivate this system, which can be annoying or you may feel that your starter is encountering premature wear, or you may have had to purchase a new AGM or EFB battery on your smart fortwo . All these are valid reasons to disable your start and stop system.
Here are the two main techniques for disabling the start and stop on smart fortwo:

  • The traditional approach: 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 begin. However, this approach requires you to redo the treatment every time you start the car.
  • It is possible that the start and stop of your smart fortwo is switched off entirely: It is possible that the start and stop of your smart fortwo is switched on unintentionally, or that it does not match the use you have of your vehicle. In this case, you can disable it by two different solutions. You can create a bridge behind the activation button of your start and stop . At last, second approach you can disconnect the battery charge indicator cable that is on the terminals of your battery, which will make your smart fortwo presume that the battery is tired and will deactivate the start and stop to protect your autonomy.

Start Stop Technology complications smart fortwo

Concerning the different concerns you might come across with the start and stop of your smart fortwo . It is possible that this is activated in an unforeseen way , 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 associated with the series of your smart fortwo. Try to completely deactivate your Start and Stop as discovered in the previous section to avoid this problem or go to your garage to find out if there is a specific solution. Another problem experienced by smart fortwo owners is that you may encounter 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 discovered that they are much more expensive than classic batteries, do not think twice to deactivate this system to avoid this kind of problem. Finally, it might be that your start and stop on smart fortwo does not work anymore , in such a case, go to your motor mechanic to correct this problem.

To get more tips on the smart fortwo, take a look at the smart fortwo category.