Your Mercedes Classe C 4 doesn’t start anymore? Have you analyzed all kinds of things? Battery, alternator, spare keys… And you have the feeling that the trouble emanates from your immobiliser ? It is quite plausible, actually that it is in question if your car doesn’t want to start anymore or stalls when starting for no reason. You want to disable the immobiliser on your Mercedes Classe C 4 ? You are on the good article, we have made this article to help you see more clearly and resolve your concerns relating to this part. First, we will see how the immobiliser functions on your Mercedes Classe C 4, then the different techniques to disable it.

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How your immobiliser system functions on Mercedes Classe C 4

Before detailing the different alternatives available to you, here is a short introduction to demonstrate the goal and functions of the immobilizer in your Mercedes Classe C 4. This electronic component was invented 30 years ago and aspires to prevent the theft of your Mercedes Classe C 4. In fact, thanks to a transponder and an antenna (coil) integrated in the key, and, a immobilisation control box integrated in the ECU and a reception antenna on the neiman, your Mercedes Classe C 4 will go each time you put the key in the ignition, it checks that the code emitted by your key is actually the one expected by your immobilization box. It is only at this instant, that it will enable you to start. It is thanks to RFID technology (chip in the key) that this unit will work.

The different possibilities to bypass the immobiliser on your Mercedes Classe C 4

Enter the code to turn off the immobiliser

First process, your key no longer permits your Mercedes Classe C 4 to start, you want to turn off the immobiliser of your Mercedes Classe C 4, but first of all you should try this procedure to start it and take it to a garage examine that you can not perform a less significant process to bring back the normal start of your vehicle. In fact, with your vehicle you should have a spare key (which you should try and which should start your Mercedes Classe C 4), but if you don’t have it you should at least have the “code card”, it contains the start code. Thanks to this code, you will still be able to start your vehicle 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 process until you have entered the whole code. This should allow your Mercedes Classe C 4 to start without having to remove the immobiliser.

Fix your key at a key specialist or your dealer

If even though a battery swap, several attempts to enter the immobiliser code on your Mercedes Classe C 4 still doesn’t work, it’s most likely your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Mercedes Classe C 4. In fact, your transponder must have been injured or must have fallen off your key. To correct this trouble, only solution, go to a key specialist (also available on the internet) or, at your car dealer who can restore your Mercedes Classe C 4 key. Based on 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 car 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 C 4.

Manually remove your immobilizer

Although you may be attracted to bypass the immobilizer from your Mercedes Classe C 4, this is not recommended at all for several reasons. First your Mercedes Classe C 4 would be much more vulnerable to theft attempts. In fact, without an immobiliser box, simply doing “the wires” may be enough to turn your car on. Furthermore to that, your insurance, in case of theft most likely won’t refund you if it realizes that the immobiliser on your Mercedes Classe C 4 has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the methodology, we have made the choice not to disclose it, because it could help people with bad intentions.

If you want more guides on the Mercedes Classe C 4, go to our Mercedes Classe C 4 category.