Your Mercedes Benz C Class doesn’t start anymore? Have you tried all kinds of things? Battery, alternator, spare keys… And you feel like the issue originates from your immobiliser ? It is certainly possible, actually that it is in question if your automotive doesn’t want to start anymore or stalls when starting without a reason. You want to disable the immobiliser on your Mercedes Benz C Class ? You are on the good website, we have made this post to help you see more clearly and fix your trouble connected to this element. First, we will see how the immobiliser works on your Mercedes Benz C Class, then the different ways to disable it.

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How your immobiliser system works on Mercedes Benz C Class

Before detailing the different alternatives available to you, here is a short intro to demonstrate the role and functions of the immobilizer in your Mercedes Benz C Class. This electronic component came out 30 years ago and aims to prevent the theft of your Mercedes Benz C Class. Actually, 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 Benz C Class will go each time you place the key in the ignition, it controls that the code emitted by your key is actually the one required by your immobilization box. It is only at this instant, that it will permit you to turn on your car. 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 Benz C Class

Enter the code to turn off the immobiliser

First technique, your key no longer permits your Mercedes Benz C Class to start, you want to disable the immobiliser of your Mercedes Benz C Class, but first of all you should try this approach to start it and take it to a mechanic check that you can not do a less important operation to bring back the normal start of your vehicle. Actually, with your vehicle you should have a spare key (which you should try and which should start your Mercedes Benz C Class), 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 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 operation until you have entered the entire code. This should let you start your Mercedes Benz C Class without having to remove the immobiliser.

Fix your key at a key specialist or your car dealer

If in spite of a battery change, different tries to enter the immobiliser code on your Mercedes Benz C Class still doesn’t work, it’s likely your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Mercedes Benz C Class. Actually, your transponder must have been damaged or must have fallen off your key. To fix this issue, only option, go to a key specialist (also available on the internet) or, at your dealer who can repair your Mercedes Benz C Class 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 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 Benz C Class.

Manually remove your immobilizer

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

Whenever you have any additional questions about the Mercedes Benz C Class, do not hesitate to consult our Mercedes Benz C Class category.