Our cars profit from more and more technologies, generally this gives us an additional comfort of use. Having said that, technology has its pros, but as well has some drawbacks, with it, we see bugs showing up! One of them is the Start and Stop feature, which is meant to help you save fuel and preserve the planet. You may encounter complications and want to turn off the start stop technology on Mercedes Classe A . But how do I do that? In this post we will help you understand how this system works, 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 Mercedes Classe A work?

Start Stop technology operation

Start Stop is a latest technology that began to be incorporated into recent vehicles about ten years ago. This technology is designed to limit the fuel consumption of your Mercedes Classe A and to protect the environment by limiting CO2 emissions. Its effectiveness is specifically important 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 trips or secondary roads, its usefulness is limited. How it works:

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

On some superior variants, your Mercedes Classe A will even be able to shut down while you are not stopped (up to 20km/h on some start and stop).

Start Stop Mercedes Classe A: Pros and drawbacks

Nevertheless this system has real pros in terms of environmental conservation and fuel economy, there are on the other hand some drawbacks to having a start and stop on Mercedes Classe A .

  • Benefits:
  • You will make fuel and CO2 emission savings if you have a specifically urban use of your Mercedes Classe A. You will too. In addition, you will be able to advantage from the purchase of a vehicle with a more interesting bonus/malus, permitting you to to buy a cheaper car . Finally, you will advantage from an additional comfort because your engine 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 actually quite expensive to buy (between 500 and 1500€) . Finally, the first generations of start stop technology can undergo a premature wear of the starter and the battery of your Mercedes Classe A. you will have to buy or change your battery more generally,

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How to turn off Start Stop technology on Mercedes Classe A?

Now let’s move on to the component you’re probably most keen on, how to disable, disconnect or remove the start stop on your Mercedes Classe A? .
Depending on how you use your car, you may want to disable this system, which can be annoying or you may experience that your starter is encountering premature wear, or you may have had to purchase a new AGM or EFB battery on your Mercedes Classe A . All these are valid causes to disable your start and stop system.
Here are the two most important techniques for disabling the start and stop on Mercedes Classe A:

  • 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 car 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 approach needs you to redo the manipulation every time you start the motor vehicle.
  • It is possible that the start and stop of your Mercedes Classe A is switched off entirely: It is possible that the start and stop of your Mercedes Classe A is switched on unintentionally, or that it does not correspond to the use you have of your car. In such a case, you can deactivate it by two different ways. You can create a bridge behind the activation button of your start and stop . Finally, second approach you can disconnect the battery charge indicator cable that is on the terminals of your battery, which will produce your Mercedes Classe A presume that the battery is tired and will deactivate the start and stop to preserve your autonomy.

Start Stop Technology complications Mercedes Classe A

Concerning the different complications you might encountered with the start and stop of your Mercedes Classe A . It is possible that this is activated in an unpredicted method , for example you are doing a manoeuvre and you don’t have time to replace to reverse gear and the car stops. It is possible that this problem is related to the series of your Mercedes Classe A. Try to completely deactivate your Start and Stop as discovered in the previous section to avoid this problem or go to your garage area to see if there is a particular solution. Another problem encountered by Mercedes Classe A owners is that you may encounter premature wear of your battery or starter motor. These particular parts for start and stop are expensive, and if you have already checked out the battery prices for xxx or those of the starters you must have discovered that they are much more expensive than traditional batteries, do not hesitate to deactivate this system to avoid this kind of problem. Finally, it might be that your start and stop on Mercedes Classe A does not work anymore , in this case, go to your motor mechanic to correct this problem.

If you want more guides on the Mercedes Classe A, go to our Mercedes Classe A category.