Your Mercedes Classe A 4 doesn’t start anymore? Have you tried all kinds of things? Battery, alternator, spare keys… And you have the feeling that the problem originates from your immobiliser ? It is actually possible, indeed that it is in question if your vehicule doesn’t want to start anymore or stalls when starting for no reason. You want to disable the immobiliser on your Mercedes Classe A 4 ? You are on the good website, we have written this content to support you see more clearly and solve your trouble connected to this element. First, we will see how the immobiliser functions on your Mercedes Classe A 4, then the different methods to disable it.
How your immobiliser system functions on Mercedes Classe A 4
Before detailing the different alternatives available to you, here is a short introduction to demonstrate the role and functions of the immobilizer in your Mercedes Classe A 4. This electronic element came out 30 years ago and aims to prevent the theft of your Mercedes Classe A 4. Indeed, thanks to a transponder and an antenna (coil) included in the key, and, a immobilisation control box included in the ECU and a reception antenna on the neiman, your Mercedes Classe A 4 will go each time you put the key in the ignition, it checks that the code emitted by your key is indeed the one expected by your immobilization box. It is only at this instant, that it will allow you to start. It is thanks to RFID technology (chip in the key) that this unit will work.
The different solutions to bypass the immobiliser on your Mercedes Classe A 4
Enter the code to turn off the immobiliser
First methodology, your key no longer permits your Mercedes Classe A 4 to start, you want to disable the immobiliser of your Mercedes Classe A 4, but first of all you should try this approach to start it and take it to a garage verify that you can not perform a less significant operation to reestablish the normal start of your automobile. Indeed, with your automobile you should have a spare key (which you should try and which should start your Mercedes Classe A 4), but if you don’t have it you should at least have the “code card”, it includes the start code. Thanks to this code, you will still be able to start your automobile by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to validate the digit and resume, repeat the operation until you have entered the entire code. This should allow your Mercedes Classe A 4 to start without having to remove the immobiliser.
Repair your key at a key specialist or your dealer
If despite a battery change, different attempts to enter the immobiliser code on your Mercedes Classe A 4 still doesn’t work, it’s almost certainly your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Mercedes Classe A 4. Indeed, your transponder must have been injured or must have fallen off your key. To fix this problem, only solution, go to a key specialist (also available on the internet) or, at your dealer who can repair your Mercedes Classe A 4 key. Determined by who you go to the repair should cost you about 100 euros if you still have a copy or your “code card” and about 350 euros at your dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Mercedes Classe A 4.
Manually remove your immobilizer
Although you may be attracted to bypass the immobilizer from your Mercedes Classe A 4, this is not recommended at all for different reasons. First your Mercedes Classe A 4 would be much more vulnerable to theft attempts. Indeed, without an immobiliser box, simply doing “the wires” may be enough to start it. Furthermore to that, your insurance, in case of theft most likely won’t refund you if it finds out that the immobiliser on your Mercedes Classe A 4 has been removed, bypassed or deactivated. This if you still want to do it, some websites online still give the method, we have made the choice not to disclose it, because it could help people with bad intentions.
To discover more tips on the Mercedes Classe A 4, take a look at the Mercedes Classe A 4 category.
